| 001 |
Find the Heat Transfer and Flux |
Heat Transfer
|
Medium |
| 002 |
Piston Basics |
Fluids
Dynamics
|
Medium |
| 003 |
Is Air or Water Cooling Better? |
Heat Transfer
|
Medium |
| 004 |
Stress and Strain |
Materials Science
Mechanics of Materials
|
Hard |
| 005 |
A Piston Problem Twist |
Thermo
|
Hard |
| 006 |
How does CPU Cooling Work? |
Heat Transfer
|
Easy |
| 007 |
Aluminum Alloy Graphs |
Materials Science
Interview
Mechanics of Materials
|
Medium |
| 008 |
Low Pass Filters |
Controls
|
Hard |
| 009 |
Differential Equations & Filters |
Circuits
|
Medium |
| 010 |
Electric Vehicle Basics |
Electrical & Computer Engineering
|
Medium |
| 011 |
Car Lifts |
Fluids
|
Medium |
| 012 |
Voltage across a Capacitor |
Circuits
|
Hard |
| 013 |
Radioactive Waste |
Heat Transfer
|
Hard |
| 014 |
Swimming Pool Pressure |
Fluids
|
Easy |
| 015 |
A Quick Brain Teaser |
Interview
|
Easy |
| 016 |
Another Brain Teaser |
Interview
|
Easy |
| 017 |
Exploring the Mariana Trench |
Interview
|
Medium |
| 018 |
A Pebble on a Mountain |
Dynamics
|
Medium |
| 019 |
A Car Floating on Water |
Physics
|
Medium |
| 020 |
Blinding (Sun)Light |
Physics
|
Easy |
| 021 |
Optimizing for Drag |
Fluids
|
Medium |
| 022 |
Biot and Nusselt |
Heat Transfer
|
Easy |
| 023 |
Fins |
Heat Transfer
|
Easy |
| 024 |
Motion Sensors to Reduce Costs |
Thermo
|
Medium |
| 025 |
Towing a Car |
Thermo
|
Hard |
| 026 |
Thread Interchangeability |
Interview
|
Hard |
| 027 |
Corrosion Resistance |
Interview
|
Medium |
| 028 |
Installing AC Units |
Thermo
|
Medium |
| 029 |
Dicey Probability |
Prob & Stats
|
Easy |
| 030 |
Newton's 2nd Law |
Dynamics
|
Easy |
| 031 |
Friction on a Ramp |
Statics
Dynamics
|
Medium |
| 032 |
Viscosity Variations |
Fluids
|
Easy |
| 033 |
Archimedes' Principle |
Fluids
|
Easy |
| 034 |
A Robotic Arm |
Dynamics
|
Medium |
| 035 |
Material Testing |
Materials Science
|
Medium |
| 036 |
A Traffic Flow Problem |
Physics
|
Easy |
| 037 |
Motorcycle's Velocity |
Dynamics
|
Easy |
| 038 |
A Car Crash |
Dynamics
|
Medium |
| 039 |
2D Drawing Views |
Interview
|
Easy |
| 040 |
Integrals |
Math
|
Easy |
| 041 |
Material Hardness |
Materials Science
|
|
| 042 |
Drawing Views |
Interview
|
Medium |
| 043 |
A Calc Question |
Math
|
Easy |
| 044 |
Definite Integrals |
Math
|
Easy |
| 045 |
A Steam Pipe |
Heat Transfer
|
Medium |
| 046 |
Electrical Heater Rod |
Heat Transfer
|
Easy |
| 047 |
Stop at the Sign |
Fluids
Statics
|
Hard |
| 048 |
Derivative |
Math
|
Medium |
| 049 |
Cross Products |
Math
|
Medium |
| 050 |
Unit Vectors |
Math
|
Medium |
| 051 |
2nd Derivatives |
Math
|
Medium |
| 052 |
Vector Magnitudes |
Statics
|
Easy |
| 053 |
GD&T |
Interview
Mechanical Engineering
|
Medium |
| 054 |
Force Vectors |
Statics
|
Easy |
| 055 |
Free Body Diagram |
Statics
|
Easy |
| 056 |
Tangential Stress |
Materials Science
|
Medium |
| 057 |
Interpreting a Dataset |
Prob & Stats
|
Medium |
| 058 |
Torsion on a Circular Rod |
Mechanics of Materials
|
Easy |
| 059 |
Corrosion Resistance Plating |
Interview
|
Easy |
| 060 |
Clean Rooms |
Interview
|
Easy |
| 061 |
Insurance Analysis |
Economics
|
Medium |
| 062 |
Cooling a CPU |
Heat Transfer
|
Easy |
| 063 |
Is Automation the Answer? |
Economics
|
Easy |
| 064 |
Monthly Payments |
Economics
|
|
| 065 |
Metal Hardness |
Materials Science
|
|
| 066 |
Powering a Motor |
Electrical & Computer Engineering
|
Medium |
| 067 |
Completion Costs |
Interview
Economics
|
|
| 068 |
Timing a Crosswalk |
Math
Interview
|
|
| 069 |
A Capacitor's Voltage |
Electrical & Computer Engineering
|
Medium |
| 070 |
In-plane Shear Stress |
Mechanics of Materials
|
Easy |
| 071 |
A Piston's Cross Section |
Materials Science
|
|
| 072 |
Tolerance Analysis |
Interview
Mechanical Engineering
|
Hard |
| 073 |
Moment & Deflection Diagrams |
Mechanics of Materials
|
|
| 074 |
Dynamic Viscosity |
Fluids
|
Medium |
| 075 |
Board Games |
Prob & Stats
|
Easy |
| 076 |
Stress vs Strain Curves |
Mechanics of Materials
Materials Science
|
Easy |
| 077 |
Area Under a Curve |
Math
|
Medium |
| 078 |
Derivatives |
Math
|
Medium |
| 079 |
Flow Rate |
Civil
|
Easy |
| 080 |
OP Amp |
Circuits
Interview
|
|
| 081 |
Thermocouples |
Interview
Circuits
|
|
| 082 |
Impedance |
Interview
Circuits
|
|
| 083 |
Inductance |
Interview
Circuits
|
|
| 084 |
Specific Gravity |
Fluids
Interview
|
Easy |
| 085 |
Load Cells |
Interview
|
|
| 086 |
Euler's Formula |
Mechanics of Materials
|
Medium |
| 087 |
Water Tank |
Fluids
|
Easy |
| 088 |
Constant Acceleration |
Dynamics
|
Easy |
| 089 |
Thermocouple Tradeoffs |
Interview
Circuits
|
|
| 090 |
Sound Pressure vs Power |
Interview
|
|
| 091 |
Motion Measurements |
Interview
|
|
| 092 |
MMC vs LMC |
Interview
Mechanical Engineering
|
Easy |
| 093 |
Convection and Velocity |
Interview
Heat Transfer
|
Easy |
| 094 |
Heat Transfer Modes |
Heat Transfer
|
|
| 095 |
For and While Loops |
Interview
Controls
|
|
| 096 |
Heat Flux |
Interview
Thermo
|
|
| 097 |
Natural Frequency |
Interview
|
|
| 098 |
RC Circuit |
Interview
Controls
|
|
| 099 |
Kirchhoff's Laws |
Interview
Electrical & Computer Engineering
|
|
| 100 |
Passive Filters |
Interview
Controls
|
|
| 101 |
Ohm's Law |
Interview
Circuits
|
|
| 102 |
LVDT |
Interview
Circuits
|
|
| 103 |
Sphere Equation |
Math
|
Easy |
| 104 |
VAR Code |
Electrical & Computer Engineering
|
Easy |
| 105 |
Increasing Accuracy |
Interview
Math
|
|
| 106 |
PE Responsibilities |
Ethics & Professional Practice
|
|
| 107 |
Population Standard Deviation |
Prob & Stats
|
Medium |
| 108 |
Payback |
Economics
|
|
| 109 |
Licensed Engineers |
Ethics & Professional Practice
|
|
| 110 |
Motor Shaft RPM |
Electrical & Computer Engineering
|
Easy |
| 111 |
Datasets |
Prob & Stats
|
Medium |
| 112 |
Fastener Torques |
Interview
Mechanics of Materials
|
|
| 113 |
Find Impedance |
Circuits
|
|
| 114 |
Obstacle Course |
Prob & Stats
|
Easy |
| 115 |
Intellectual Property |
Ethics & Professional Practice
|
|
| 116 |
Power |
Electrical & Computer Engineering
|
Easy |
| 117 |
Housing Down Payment |
Economics
|
Easy |
| 118 |
Power Factor |
Electrical & Computer Engineering
|
|
| 119 |
Trapezoidal Rule |
Math
|
|
| 120 |
Licensed Engineer |
Ethics & Professional Practice
|
|
| 121 |
Resistance |
Electrical & Computer Engineering
|
Medium |
| 122 |
Roller Coasters |
Dynamics
|
Easy |
| 123 |
Matrix Determinant |
Math
|
Easy |
| 124 |
Gear Movement |
Interview
|
Medium |
| 125 |
Rolling Dice |
Prob & Stats
|
Easy |
| 126 |
Integration |
Math
|
|
| 127 |
Quadratic Equation |
Math
|
Medium |
| 128 |
Straight Line Equation |
Math
|
Medium |
| 129 |
General Forms |
Math
|
Easy |
| 130 |
Pen Arrangements |
Prob & Stats
|
Easy |
| 131 |
Two Lines |
Math
|
Easy |
| 132 |
Sample Standard Deviation |
Prob & Stats
|
Easy |
| 133 |
Permutations |
Prob & Stats
|
Medium |
| 134 |
Hot Pot |
Electrical & Computer Engineering
|
Easy |
| 135 |
Helical Spring |
Mechanical Engineering
|
Medium |
| 136 |
Endurance Limit |
Materials Science
|
|
| 137 |
Brake Power |
Mechanical Engineering
|
Medium |
| 138 |
Electrical Signals |
Controls
|
Easy |
| 139 |
Shannon Sampling Theorem |
Interview
Controls
|
Easy |
| 140 |
Conservation of Energy |
Dynamics
|
Easy |
| 141 |
Tensile Strength for Springs |
Mechanical Engineering
|
Easy |
| 142 |
Saving for the Future |
Economics
|
Easy |
| 143 |
Straight Line Depreciation |
Economics
|
Easy |
| 144 |
Interest |
Economics
|
Easy |
| 145 |
Force Characteristics |
Statics
|
Easy |
| 146 |
Break-Even |
Economics
|
|
| 147 |
Fulcrum Force |
Statics
|
|
| 148 |
Shear & Moment Diagrams |
Mechanics of Materials
|
|
| 149 |
Steady-State Error |
Controls
|
Easy |
| 150 |
Brayton Cycle |
Thermo
|
|
| 151 |
Power Units |
Units and Conversion Factors
|
Medium |
| 152 |
Brayton Cycle Again |
Thermo
|
|
| 153 |
Resistance Units |
Units and Conversion Factors
|
Medium |
| 154 |
1st Law of Thermodynamics |
Interview
Thermo
|
|
| 155 |
2nd Law of Thermodynamics |
Interview
Thermo
|
|
| 156 |
3rd Law of Thermodynamics |
Interview
Thermo
|
|
| 157 |
0th Law of Thermodynamics |
Interview
Thermo
|
|
| 158 |
A Train's Velocity |
Dynamics
Math
|
Easy |
| 159 |
Encoders |
Interview
|
|
| 160 |
Backlash |
Interview
|
|
| 161 |
Slew Rate |
Interview
Controls
|
|
| 162 |
Capacitance Units |
Units and Conversion Factors
|
Medium |
| 163 |
Pressure Units |
Units and Conversion Factors
|
Easy |
| 164 |
Pulleys |
Statics
|
Easy |
| 165 |
Velocity Plots |
Dynamics
|
Easy |
| 166 |
Water Barrels |
Dynamics
|
Easy |
| 167 |
Material Crack |
Materials Science
|
Easy |
| 168 |
Cantilevered Beam |
Mechanics of Materials
|
Easy |
| 169 |
Thermal Deformation |
Mechanics of Materials
|
Easy |
| 170 |
Principal Stress |
Mechanics of Materials
|
Medium |
| 171 |
Thick Walled Vessel |
Materials Science
|
Easy |
| 172 |
Tensile Test |
Materials Science
Mechanics of Materials
|
Medium |
| 173 |
Truss |
Mechanics of Materials
|
Medium |
| 174 |
Elongation |
Mechanics of Materials
|
Easy |
| 175 |
Reynolds Number |
Fluids
Interview
|
Easy |
| 176 |
Gears |
Interview
|
Easy |
| 177 |
Angular Velocity |
Interview
Physics
|
Easy |
| 178 |
Fluid Velocity |
Fluids
|
Easy |
| 179 |
PVT Behavior of an Ideal Gas |
Thermo
|
Easy |
| 180 |
Cold Working |
Materials Science
Interview
|
Easy |
| 181 |
Resistors in Parallel |
Electrical & Computer Engineering
|
Easy |
| 182 |
Pump Power |
Fluids
|
Easy |
| 183 |
Specific Weight |
Thermo
|
Easy |
| 184 |
Current Flow |
Electrical & Computer Engineering
|
Easy |
| 185 |
Resistors in Series |
Electrical & Computer Engineering
|
Easy |
| 186 |
Crypto Miner |
Thermo
|
Easy |
| 187 |
Adiabatic Process |
Thermo
|
Easy |
| 188 |
Impulse, Momentum, Accel |
Interview
Physics
|
Medium |
| 189 |
Helical vs Key-Locking Inserts |
Interview
|
Medium |
| 190 |
Velocity-Time Graph |
Interview
Physics
|
Medium |
| 191 |
Construction Crane |
Statics
|
Easy |
| 192 |
Specific Heat |
Heat Transfer
|
Easy |
| 193 |
Tensional Force |
Statics
|
Medium |
| 194 |
Resultant Force |
Statics
|
Medium |
| 195 |
On a Balcony |
Statics
|
Easy |
| 196 |
Moment of Inertia |
Statics
|
Medium |
| 197 |
Beam Distributed Load |
Statics
|
Medium |
| 198 |
Lever Arm |
Statics
|
Easy |
| 199 |
Affinity Law |
Fluids
|
Easy |
| 200 |
Critical Crack Length |
Materials Science
|
Easy |
| 201 |
Impact |
Dynamics
|
Medium |
| 202 |
Uniaxial Loading |
Materials Science
|
Easy |
| 203 |
Heat Transfer Rate |
Heat Transfer
|
Easy |
| 204 |
Control System Model |
Controls
|
Easy |
| 205 |
Compression Spring |
Mechanical Engineering
|
Easy |
| 206 |
Spring Force |
Mechanical Engineering
|
Medium |
| 207 |
Euler's Formula for Columns |
Mechanics of Materials
|
Easy |
| 208 |
Crimp Connector |
Materials Science
|
Easy |
| 209 |
A Permutation |
Prob & Stats
|
Easy |
| 210 |
Rolling Down a Hill |
Physics
Interview
|
Easy |
| 211 |
Rolling Down a Hill Again |
Physics
Interview
|
Medium |
| 212 |
Heat Transferring |
Heat Transfer
|
Easy |
| 213 |
Centrifugal Fan |
Fluids
|
Medium |
| 214 |
Steam Engine Piston |
Mechanics of Materials
|
Medium |
| 215 |
Positional Tolerance |
Interview
Mechanical Engineering
|
Medium |
| 216 |
Pendulum |
Dynamics
|
Medium |
| 217 |
Acceleration Graph |
Dynamics
|
Easy |
| 218 |
Skidding |
Dynamics
|
Medium |
| 219 |
Wrecking Ball Hoist |
Statics
|
Easy |
| 220 |
Moving Boxes |
Dynamics
|
Medium |
| 221 |
Cart on a Ramp |
Dynamics
|
Medium |
| 222 |
Sliding Down a Ramp |
Statics
Dynamics
|
Medium |
| 223 |
Bending Tensile Stress |
Mechanics of Materials
|
Easy |
| 224 |
Two-Phase Systems |
Thermo
|
Medium |
| 225 |
Boiler Pump |
Thermo
|
Easy |
| 226 |
Two Black Surfaces |
Heat Transfer
|
Easy |
| 227 |
Lumped Capacitance Model |
Heat Transfer
|
Easy |
| 228 |
Beam Centroid |
Statics
|
Easy |
| 229 |
Parallel Axis |
Statics
|
Medium |
| 230 |
Cross Bar |
Mechanics of Materials
|
Medium |
| 231 |
Subway Hand Rail |
Mechanics of Materials
Materials Science
|
Medium |
| 232 |
Phase Diagram |
Materials Science
|
Easy |
| 233 |
Eutectic Composition |
Materials Science
|
Easy |
| 234 |
Oil Bath Quenching |
Materials Science
|
Easy |
| 235 |
Kinematic Viscosity |
Fluids
|
Easy |
| 236 |
Plane Truss |
Statics
|
Medium |
| 237 |
Simple Truss |
Statics
|
Easy |
| 238 |
Water Barrel Collision |
Dynamics
|
Medium |
| 239 |
Angular Acceleration |
Dynamics
|
Medium |
| 240 |
Torsion |
Mechanics of Materials
|
Medium |
| 241 |
Torque Torsion |
Mechanics of Materials
|
Medium |
| 242 |
Statically Indeterminate |
Mechanics of Materials
|
Medium |
| 243 |
Water Gate |
Fluids
|
Medium |
| 244 |
Jet Velocity |
Fluids
|
Easy |
| 245 |
Garden Hose |
Fluids
|
Easy |
| 246 |
Permutation |
Prob & Stats
|
Easy |
| 247 |
Mach Number |
Fluids
|
Easy |
| 248 |
Fluid Flow |
Fluids
|
Easy |
| 249 |
Refrigeration Cycle |
Thermo
|
Easy |
| 250 |
Rankine Cycle |
Thermo
|
Medium |
| 251 |
Matrix |
Math
|
Easy |
| 252 |
Larger Determinant |
Math
|
Medium |
| 253 |
Ideal Gas |
Thermo
|
Easy |
| 254 |
Turbine Power |
Thermo
|
Easy |
| 255 |
Heat Transfer |
Heat Transfer
|
Easy |
| 256 |
4x4 Matrix |
Math
|
Hard |
| 257 |
Nozzle Count |
Thermo
|
Medium |
| 258 |
Dew Point |
Thermo
|
Easy |
| 259 |
P-h Diagram |
Thermo
|
Easy |
| 260 |
Thermal Resistance |
Heat Transfer
|
Hard |
| 261 |
Combustion Processes |
Thermo
|
Easy |
| 262 |
Steam Tables |
Thermo
|
Easy |
| 263 |
Heat Exchanger |
Heat Transfer
|
Medium |
| 264 |
Counter-flow Heat Exchanger |
Heat Transfer
|
Easy |
| 265 |
Mechanical Springs |
Mechanical Engineering
|
Easy |
| 266 |
Thin Wall Cylinder |
Mechanics of Materials
|
Medium |
| 267 |
Vertically Cantilevered |
Mechanics of Materials
|
Easy |
| 268 |
Installing a Bearing |
Mechanics of Materials
Mechanical Engineering
|
Medium |
| 269 |
Transient Conduction |
Heat Transfer
|
Easy |
| 270 |
Resistance Temperature Detector |
Controls
|
Easy |
| 271 |
Temperature Probe |
Controls
|
Medium |
| 272 |
Uncertainty |
Controls
Prob & Stats
|
Medium |
| 273 |
Block Diagram Reduction |
Controls
|
Medium |
| 274 |
Max Shear Stress Theory |
Mechanical Engineering
|
Easy |
| 275 |
Unpressurized Vessel |
Mechanics of Materials
|
Medium |
| 276 |
Reliability Study |
Industrial & Systems
|
Medium |
| 277 |
Matrix Transpose |
Math
|
Easy |
| 278 |
Matrix Inverse |
Math
|
Medium |
| 279 |
Matrix Multiplication |
Math
|
Medium |
| 280 |
Joint Shear Stress |
Mechanical Engineering
|
Easy |
| 281 |
Coin Toss |
Prob & Stats
|
Medium |
| 282 |
Conic Shapes |
Math
|
Easy |
| 283 |
Eccentricity |
Math
|
Easy |
| 284 |
Hyperbola |
Math
|
Easy |
| 285 |
Internet Cable |
Heat Transfer
|
Medium |
| 286 |
Fighter Jet |
Fluids
|
Hard |
| 287 |
Kinetic Energy |
Dynamics
|
Medium |
| 288 |
New Volume |
Thermo
|
Easy |
| 289 |
Find y |
Math
|
Easy |
| 290 |
Team Organization |
Prob & Stats
|
Easy |
| 291 |
Heating Element |
Electrical & Computer Engineering
|
Easy |
| 292 |
RTD Element |
Controls
|
Easy |
| 293 |
Pushing a Boulder |
Dynamics
|
Easy |
| 294 |
Centroid Area |
Statics
|
Easy |
| 295 |
Planetary Gear |
Mechanical Engineering
|
Easy |
| 296 |
Roller Bearing |
Mechanical Engineering
|
Easy |
| 297 |
Pressurized Pump Power |
Fluids
|
Medium |
| 298 |
Carnot Cycle |
Thermo
|
Medium |
| 299 |
Ball Bearing |
Mechanical Engineering
|
Easy |
| 300 |
Water Velocity |
Fluids
|
Medium |
| 301 |
Brick Wall |
Heat Transfer
|
Easy |
| 302 |
Synchronous Speed |
Electrical & Computer Engineering
|
Easy |
| 303 |
Standard Deviation |
Prob & Stats
|
Medium |
| 304 |
Vertical Force |
Statics
|
Medium |
| 305 |
Interest Rate Table |
Economics
|
Easy |
| 306 |
Dot Product |
Math
|
Easy |
| 307 |
Relative Humidity |
Thermo
|
Easy |
| 308 |
Definite Integral |
Math
|
Medium |
| 309 |
Strain |
Mechanics of Materials
|
Easy |
| 310 |
Simply Supported |
Statics
|
Easy |
| 311 |
Water Tower |
Fluids
|
Easy |
| 312 |
The Derivative |
Math
|
Easy |
| 313 |
Projectile Motion |
Dynamics
|
Easy |
| 314 |
Hoop Stress |
Mechanics of Materials
|
Easy |
| 315 |
Composite Material |
Materials Science
|
Medium |
| 316 |
Jet Ski |
Dynamics
|
Medium |
| 317 |
Utility Pole |
Mechanics of Materials
|
Easy |
| 318 |
Dice Rolling |
Prob & Stats
|
Easy |
| 319 |
Composite Strain |
Materials Science
|
Medium |
| 320 |
Soil Sample |
Civil
|
Easy |
| 321 |
Traveling Train |
Dynamics
|
Medium |
| 322 |
Aircraft Carrier |
Dynamics
|
Easy |
| 323 |
Pump Work |
Fluids
|
Easy |
| 324 |
Simple Interest |
Economics
|
Easy |
| 325 |
Pebble Off a Building |
Dynamics
|
Hard |
| 326 |
Centripetal Force |
Physics
|
Easy |
| 327 |
Banked Curve |
Physics
|
Easy |
| 328 |
Muzzle Velocity |
Physics
|
Medium |
| 329 |
Gibbs Phase Rule |
Thermo
|
Easy |
| 330 |
Figure Skating |
Dynamics
Interview
|
Medium |
| 331 |
Mass Moment of Inertia |
Dynamics
|
Medium |
| 332 |
Bulk Modulus of Elasticity |
Mechanics of Materials
|
Easy |
| 333 |
Moment of a Force |
Statics
|
Medium |
| 334 |
Mass Moments |
Dynamics
|
Medium |
| 335 |
Spring Stretch |
Mechanical Engineering
|
Medium |
| 336 |
Brinell Hardness |
Materials Science
|
Easy |
| 337 |
Power Screw |
Mechanical Engineering
|
Easy |
| 338 |
Plain Carbon Steel |
Materials Science
|
Easy |
| 339 |
Compressing a Spring |
Mechanical Engineering
|
Easy |
| 340 |
Zero Eccentricity |
Math
|
Easy |
| 341 |
Parallel Springs |
Mechanical Engineering
|
Medium |
| 342 |
Inflection Point |
Math
|
Medium |
| 343 |
Springs in Series |
Mechanical Engineering
|
Medium |
| 344 |
Polar Form |
Math
|
Medium |
| 345 |
Binomial Product |
Math
|
Hard |
| 346 |
Law of Cosines |
Math
|
Easy |
| 347 |
Bolt Diameter |
Mechanical Engineering
|
Easy |
| 348 |
Centrifugal Pump |
Fluids
|
Hard |
| 349 |
Compressibility Modulus |
Mechanics of Materials
Materials Science
|
Easy |
| 350 |
Poisson’s Ratio |
Mechanics of Materials
|
Medium |
| 351 |
Absolute vs Gauge Pressure |
Fluids
|
Easy |
| 352 |
Pressure Difference |
Fluids
|
Easy |
| 353 |
Inflections |
Math
|
Medium |
| 354 |
Yield vs Ultimate Strength |
Materials Science
Interview
Mechanics of Materials
|
Medium |
| 355 |
Multi Roots |
Math
|
Hard |
| 356 |
Mass vs Weight |
Physics
Interview
|
Easy |
| 357 |
Ticket to Mars |
Physics
Interview
|
Easy |
| 358 |
Brittle vs Ductile vs Plastic |
Materials Science
Mechanics of Materials
|
Medium |
| 359 |
Axis Theorem |
Statics
|
Medium |
| 360 |
Confidence Interval |
Prob & Stats
|
Medium |
| 361 |
Pinball Machine |
Dynamics
|
Medium |
| 362 |
Terminal Velocity |
Fluids
|
Medium |
| 363 |
Drag Force |
Fluids
|
Easy |
| 364 |
Road Rash |
Dynamics
|
Medium |
| 365 |
Beam AB |
Statics
|
Easy |
| 366 |
Pump Efficiency |
Fluids
|
Medium |
| 367 |
Superposition |
Mechanics of Materials
|
Medium |
| 368 |
Elevated Storage Tank |
Fluids
Civil
|
Medium |
| 369 |
A Beam |
Statics
|
Easy |
| 370 |
Pseudocode |
Electrical & Computer Engineering
|
Medium |
| 371 |
Spring Compression |
Mechanical Engineering
|
Easy |
| 372 |
Binary Phase Diagram |
Materials Science
|
Easy |
| 373 |
Angle of Refraction |
Physics
|
Easy |
| 374 |
Test Specimen |
Mechanics of Materials
|
Medium |
| 375 |
Code |
Electrical & Computer Engineering
|
Medium |
| 376 |
Pressure Cylinder |
Mechanics of Materials
|
Medium |
| 377 |
Investment Growth |
Economics
|
Easy |
| 378 |
Snell’s Law |
Physics
|
Medium |
| 379 |
Complex Code |
Electrical & Computer Engineering
|
Medium |
| 380 |
Reaction Point |
Statics
|
Easy |
| 381 |
Series of Springs |
Mechanical Engineering
|
Medium |
| 382 |
Belt Friction |
Statics
|
Easy |
| 383 |
Roots |
Math
|
Medium |
| 384 |
Springs in Parallel |
Mechanical Engineering
|
Easy |
| 385 |
Pulley + Belt |
Statics
|
Easy |
| 386 |
Compounding Springs |
Mechanical Engineering
|
Hard |
| 387 |
Spring Tensile Strength |
Mechanical Engineering
|
Easy |
| 388 |
Torsional Stress |
Mechanical Engineering
|
Medium |
| 389 |
Triple Permutation |
Prob & Stats
|
Medium |
| 390 |
Cosines |
Math
|
Easy |
| 391 |
Combination |
Prob & Stats
|
Medium |
| 392 |
Chrome Silicon Wire |
Mechanical Engineering
|
Medium |
| 393 |
Law of Sines |
Math
|
Easy |
| 394 |
Acceleration |
Dynamics
Math
|
Medium |
| 395 |
Slope Intercept |
Math
|
Easy |
| 396 |
Point-slope |
Math
|
Easy |
| 397 |
Induction Motor |
Electrical & Computer Engineering
|
Easy |
| 398 |
MMC & LMC |
Interview
Mechanical Engineering
|
Medium |
| 399 |
Steel Cables |
Mechanics of Materials
|
Easy |
| 400 |
Lumped Capacitance |
Heat Transfer
|
Easy |
| 401 |
Motor Slip |
Electrical & Computer Engineering
|
Easy |
| 402 |
GTOL |
Interview
Mechanical Engineering
|
Easy |
| 403 |
Train Tracks |
Mechanics of Materials
Materials Science
|
Medium |
| 404 |
Feature Control Frame |
Interview
Mechanical Engineering
|
Medium |
| 405 |
Motor Poles |
Electrical & Computer Engineering
|
Easy |
| 406 |
Pulley & Belt |
Statics
|
Easy |
| 407 |
Composite Modulus |
Materials Science
|
Medium |
| 408 |
Triple Integrals |
Math
|
Hard |
| 409 |
GDT Symbols |
Mechanical Engineering
|
Medium |
| 410 |
Column |
Mechanics of Materials
|
Easy |
| 411 |
GDT Rule #1 |
Mechanical Engineering
|
Easy |
| 412 |
Hill Bomb |
Dynamics
Math
|
Medium |
| 413 |
A Column |
Mechanics of Materials
|
Easy |
| 414 |
GTOL Rule #1 |
Mechanical Engineering
|
Easy |
| 415 |
Geometric Symbols |
Mechanical Engineering
|
Medium |
| 416 |
Trip Integral |
Math
|
Hard |
| 417 |
ASME Y14.5 Symbols |
Mechanical Engineering
|
Medium |
| 418 |
Buckling Stress |
Mechanics of Materials
|
Easy |
| 419 |
Dot Prod |
Math
|
Easy |
| 420 |
Drag Coefficient |
Fluids
|
Easy |
| 421 |
RFS Boundaries |
Mechanical Engineering
Interview
|
Hard |
| 422 |
LMC Boundaries |
Mechanical Engineering
Interview
|
Hard |
| 423 |
MMC Boundaries |
Mechanical Engineering
Interview
|
Hard |
| 424 |
Vector Dot Product |
Math
|
Medium |
| 425 |
A Hole’s Virtual Size |
Mechanical Engineering
Interview
|
Hard |
| 426 |
A Pin’s Virtual Size |
Mechanical Engineering
Interview
|
Hard |
| 427 |
MMC Hole’s Virtual Size |
Mechanical Engineering
Interview
|
Hard |
| 428 |
MMC Pin’s Virtual Size |
Mechanical Engineering
Interview
|
Hard |
| 429 |
Aerodynamic Drag |
Fluids
|
Easy |
| 430 |
A Curve’s Area |
Math
|
Medium |
| 431 |
Discharging Orifice |
Fluids
|
Easy |
| 432 |
Sphere’s Equation |
Math
|
Easy |
| 433 |
Distance in 3D Space |
Math
|
Easy |
| 434 |
Logarithm |
Math
|
Easy |
| 435 |
Time to Drain |
Fluids
|
Easy |
| 436 |
Reynolds Number Drag |
Fluids
|
Medium |
| 437 |
Distance in 2D Space |
Math
|
Easy |
| 438 |
Accept or Reject? |
Mechanical Engineering
Interview
|
Hard |
| 439 |
Toaster Oven Resistor |
Electrical & Computer Engineering
|
Easy |
| 440 |
Rotational Speed |
Mechanical Engineering
|
Medium |
| 441 |
Depreciation |
Economics
|
Easy |
| 442 |
Re Drag |
Fluids
|
Medium |
| 443 |
Drainage Time |
Fluids
|
Easy |
| 444 |
Electron Motion |
Dynamics
|
Easy |
| 445 |
Fracture Toughness |
Materials Science
|
Easy |
| 446 |
Viscous Density |
Fluids
|
Easy |
| 447 |
3x3 Matrix |
Math
|
Medium |
| 448 |
Ellipse |
Math
|
Easy |
| 449 |
Tire Swing |
Statics
|
Medium |
| 450 |
Estimating Hardness |
Materials Science
|
Easy |
| 451 |
Poisson |
Mechanics of Materials
|
Easy |
| 452 |
Test Coupon |
Mechanics of Materials
|
Medium |
| 453 |
Shear Stress & Strain |
Mechanics of Materials
|
Medium |
| 454 |
Heat Pump |
Thermo
|
Medium |
| 455 |
Fracture Stress |
Materials Science
|
Easy |
| 456 |
Free Length Spring |
Mechanical Engineering
|
Medium |
| 457 |
Heat Pump COP |
Thermo
|
Easy |
| 458 |
Rivet Strength |
Mechanical Engineering
|
Easy |
| 459 |
Submerged Orifice |
Fluids
|
Easy |
| 460 |
Shear Modulus |
Mechanics of Materials
|
Easy |
| 461 |
Log |
Math
|
Easy |
| 462 |
Basketball Hoop |
Fluids
|
Medium |
| 463 |
Newtonian Fluid |
Fluids
|
Medium |
| 464 |
Submerged Tank |
Fluids
|
Easy |
| 465 |
Base Log |
Math
|
Easy |
| 466 |
Pipe Flow Types |
Fluids
|
Easy |
| 467 |
Bulk vs Shear Modulus |
Mechanics of Materials
|
Medium |
| 468 |
Ln Base |
Math
|
Easy |
| 469 |
Flow Characterization |
Fluids
|
Medium |
| 470 |
Natural Log |
Math
|
Easy |
| 471 |
Greater Eccentricity |
Math
|
Easy |
| 472 |
Water Slope |
Fluids
|
Medium |
| 473 |
Flow Type |
Fluids
|
Easy |
| 474 |
Affinity |
Fluids
|
Easy |
| 475 |
Brake Force |
Mechanical Engineering
|
Easy |
| 476 |
Degrees of Freedom |
Thermo
|
Easy |
| 477 |
Scaling Law |
Fluids
|
Easy |
| 478 |
Spring Stretching |
Mechanical Engineering
|
Easy |
| 479 |
Piston Loading |
Mechanics of Materials
|
Medium |
| 480 |
Threaded Fastener Load |
Mechanical Engineering
|
Easy |
| 481 |
Max Tension Load |
Mechanical Engineering
|
Medium |
| 482 |
Ln Simplify |
Math
|
Medium |
| 483 |
Fatigue Loading |
Mechanical Engineering
|
Easy |
| 484 |
Correction Factor |
Mechanical Engineering
|
Easy |
| 485 |
Mean Stress |
Mechanical Engineering
|
Medium |
| 486 |
Bending Stress |
Mechanical Engineering
|
Medium |
| 487 |
G-Force |
Dynamics
|
Medium |
| 488 |
Block Speed |
Dynamics
|
Easy |
| 489 |
Ramp Sliding |
Statics
Dynamics
|
Medium |
| 490 |
Total Resistance |
Electrical & Computer Engineering
|
Easy |
| 491 |
Doppler Effect |
Physics
|
Medium |
| 492 |
Frequency Units |
Electrical & Computer Engineering
Units and Conversion Factors
|
Easy |
| 493 |
Heat Transfer Coefficient |
Heat Transfer
|
Easy |
| 494 |
Shear vs Tensile Strength |
Interview
|
Easy |
| 495 |
Yield and Ultimate Strength |
Materials Science
|
Easy |
| 496 |
RTD |
Controls
|
Easy |
| 497 |
Change in Temp |
Heat Transfer
|
Easy |
| 498 |
Torque Tolerance |
Interview
|
Easy |
| 499 |
Torque Units |
Units and Conversion Factors
Electrical & Computer Engineering
Statics
|
Easy |
| 500 |
Mechanical Power |
Electrical & Computer Engineering
|
Medium |
| 501 |
Sync Speed |
Electrical & Computer Engineering
|
Easy |
| 502 |
Machine Efficiency |
Electrical & Computer Engineering
|
Medium |
| 503 |
Determinant Matrix |
Math
|
Easy |
| 504 |
3x3 Determinant |
Math
|
Medium |
| 505 |
Input Power |
Electrical & Computer Engineering
|
Medium |
| 506 |
Exchanging of Heat |
Heat Transfer
|
Easy |
| 507 |
Transpose Matrix |
Math
|
Easy |
| 508 |
Generator Efficiency |
Electrical & Computer Engineering
|
Medium |
| 509 |
Transpose Size |
Math
|
Easy |
| 510 |
Current |
Electrical & Computer Engineering
|
Easy |
| 511 |
Inverse Matrix |
Math
|
Medium |
| 512 |
Voltage |
Electrical & Computer Engineering
|
Easy |
| 513 |
Nozzles |
Thermo
|
Medium |
| 514 |
A Pump’s Efficiency |
Fluids
|
Easy |
| 515 |
Initial Velocity |
Dynamics
|
Easy |
| 516 |
Power Screw Torque |
Mechanical Engineering
|
Easy |
| 517 |
Straight Line |
Math
|
Medium |
| 518 |
Matrix Multiply |
Math
|
Medium |
| 519 |
Parallel Line |
Math
|
Easy |
| 520 |
Power Screw Load |
Mechanical Engineering
|
Easy |
| 521 |
Custom PC |
Electrical & Computer Engineering
|
Easy |
| 522 |
Material Yielding |
Mechanical Engineering
|
Easy |
| 523 |
Thick Vessel |
Materials Science
|
Easy |
| 524 |
Solid Circular Rod |
Mechanics of Materials
|
Easy |
| 525 |
Cosine Law |
Math
|
Easy |
| 526 |
K.E. |
Dynamics
|
Medium |
| 527 |
S.G. |
Fluids
|
Easy |
| 528 |
Internal Pressure |
Materials Science
|
Easy |
| 529 |
Unknown Side |
Math
|
Easy |
| 530 |
Spec Weight |
Fluids
|
Easy |
| 531 |
Circular Solid |
Mechanics of Materials
|
Easy |
| 532 |
Axial Stress |
Mechanics of Materials
|
Medium |
| 533 |
Sines |
Math
|
Easy |
| 534 |
SW |
Fluids
|
Easy |
| 535 |
X Product |
Math
|
Medium |
| 536 |
End Cap Vessel |
Mechanics of Materials
|
Medium |
| 537 |
Sin |
Math
|
Easy |
| 538 |
Fracture |
Materials Science
|
Easy |
| 539 |
Impeller Diameter |
Fluids
|
Easy |
| 540 |
Bearing |
Mechanical Engineering
|
Easy |
| 541 |
Friction Power |
Mechanical Engineering
|
Medium |
| 542 |
Resistivity |
Materials Science
|
Easy |
| 543 |
Cross vs Dot Product |
Math
|
Easy |
| 544 |
Conductivity |
Materials Science
|
Easy |
| 545 |
Indicated Power |
Mechanical Engineering
|
Medium |
| 546 |
Vector Unit |
Math
|
Medium |
| 547 |
Power Screw Lead |
Mechanical Engineering
|
Easy |
| 548 |
Inverse of Matrix |
Math
|
Medium |
| 549 |
Circuit Diagram |
Electrical & Computer Engineering
|
Easy |
| 550 |
Conductor Resistance |
Electrical & Computer Engineering
|
Easy |
| 551 |
Bond |
Economics
|
Easy |
| 552 |
Polar |
Math
|
Medium |
| 553 |
Darcy |
Civil
|
Easy |
| 554 |
Fluid Density |
Fluids
|
Easy |
| 555 |
Ideal Volume |
Thermo
|
Easy |
| 556 |
Golf Angle |
Dynamics
|
Easy |
| 557 |
Depreciate |
Economics
|
Easy |
| 558 |
Triple Combination |
Prob & Stats
|
Hard |
| 559 |
Mohr’s Circle |
Mechanics of Materials
|
Easy |
| 560 |
Quad Equation |
Math
|
Medium |
| 561 |
Radiation |
Heat Transfer
|
Easy |
| 562 |
Heat Transfer Area |
Heat Transfer
|
Easy |
| 563 |
Column Area |
Mechanics of Materials
|
Easy |
| 564 |
Rocket |
Fluids
|
Hard |
| 565 |
Design Life |
Mechanical Engineering
|
Easy |
| 566 |
Pipe Slope |
Fluids
|
Medium |
| 567 |
Column Modulus |
Mechanics of Materials
|
Easy |
| 568 |
Total Resist |
Electrical & Computer Engineering
|
Easy |
| 569 |
Parallel Plates |
Electrical & Computer Engineering
|
Easy |
| 570 |
Mach |
Fluids
|
Easy |
| 571 |
Perm |
Prob & Stats
|
Easy |
| 572 |
Line Relationship |
Math
|
Easy |
| 573 |
Hooke’s Law |
Mechanics of Materials
|
Medium |
| 574 |
Spring Load |
Mechanical Engineering
|
Medium |
| 575 |
ASTM 232 |
Mechanical Engineering
|
Medium |
| 576 |
Applied Force |
Mechanical Engineering
|
Medium |
| 577 |
Preload |
Mechanical Engineering
|
Medium |
| 578 |
Water Height |
Fluids
|
Easy |
| 579 |
Belt Force |
Statics
|
Easy |
| 580 |
Modulus of Elasticity |
Mechanics of Materials
|
Easy |
| 581 |
Savings |
Economics
|
Easy |
| 582 |
Standard Dev |
Prob & Stats
|
Medium |
| 583 |
Heat Pump Cycle |
Thermo
|
Easy |
| 584 |
Belt |
Statics
|
Easy |
| 585 |
Deviation |
Prob & Stats
|
Medium |
| 586 |
Fridge Cycle |
Thermo
|
Easy |
| 587 |
Interval of Confidence |
Prob & Stats
|
Medium |
| 588 |
Strength Estimate |
Materials Science
|
Easy |
| 589 |
Threaded Load |
Mechanical Engineering
|
Easy |
| 590 |
Minimum Tensile |
Mechanical Engineering
|
Medium |
| 591 |
Joint Coefficient |
Mechanical Engineering
|
Easy |
| 592 |
Class Grade |
Prob & Stats
|
Easy |
| 593 |
Variance |
Prob & Stats
|
Easy |
| 594 |
Threaded Preload |
Mechanical Engineering
|
Easy |
| 595 |
Sample Variance |
Prob & Stats
|
Easy |
| 596 |
Tensile Area |
Mechanical Engineering
|
Easy |
| 597 |
Phase Rule |
Thermo
|
Easy |
| 598 |
Coefficient of Variation |
Prob & Stats
|
Medium |
| 599 |
Formula 1 Energy |
Dynamics
|
Medium |
| 600 |
Towing a Trailer |
Dynamics
|
Easy |
| 601 |
A Pump’s Pressure |
Fluids
|
Medium |
| 602 |
Carnot Fridge |
Thermo
|
Easy |
| 603 |
Bearing Type |
Mechanical Engineering
Math
|
Easy |
| 604 |
Variable e |
Math
|
Easy |
| 605 |
Probability Law |
Prob & Stats
|
Easy |
| 606 |
Roughness Coefficient |
Fluids
|
Medium |
| 607 |
Heating Distance |
Heat Transfer
|
Easy |
| 608 |
Variation Coefficient |
Prob & Stats
|
Medium |
| 609 |
Geometric Mean |
Prob & Stats
|
Easy |
| 610 |
Prob Law |
Prob & Stats
|
Easy |
| 611 |
The Polar Form |
Math
|
Medium |
| 612 |
Speed of Sound |
Fluids
|
Medium |
| 613 |
Product Binomial |
Math
|
Hard |
| 614 |
Y Centroid |
Statics
|
Easy |
| 615 |
Delivery Routes |
Prob & Stats
|
Easy |
| 616 |
Error Analysis |
Controls
|
Easy |
| 617 |
Nyquist’s Theorem |
Controls
|
Easy |
| 618 |
Wet Bulb Temp |
Thermo
|
Easy |
| 619 |
GPA |
Prob & Stats
|
Easy |
| 620 |
Molecular Weight |
Fluids
|
Medium |
| 621 |
Z Score |
Prob & Stats
|
Easy |
| 622 |
Supersonic |
Fluids
|
Easy |
| 623 |
Dew Point Temp |
Thermo
|
Easy |
| 624 |
Atmospheric Temp |
Fluids
|
Medium |
| 625 |
Geo Mean |
Prob & Stats
|
Easy |
| 626 |
Transonic |
Fluids
|
Easy |
| 627 |
Sample Coefficient Variant |
Prob & Stats
|
Medium |
| 628 |
Imaginary Roots |
Math
|
Medium |
| 629 |
Alphabet |
Prob & Stats
|
Easy |
| 630 |
Type of Bearing |
Mechanical Engineering
Math
|
Easy |
| 631 |
Robotic Arm |
Dynamics
|
Medium |
| 632 |
Down Payment |
Economics
|
Easy |
| 633 |
2x2 Matrix |
Math
|
Easy |
| 634 |
Biot Number |
Heat Transfer
|
Easy |
| 635 |
Downhill Skiing |
Dynamics
|
Easy |
| 636 |
Base Material |
Materials Science
|
Medium |
| 637 |
Motor Boat |
Dynamics
|
Medium |
| 638 |
Velocity of Water |
Fluids
|
Medium |
| 639 |
Vector Combinations |
Math
|
Easy |
| 640 |
Tensile and Compression Tests |
Mechanical Engineering
|
Easy |
| 641 |
Concrete Strength |
Materials Science
|
Easy |
| 642 |
Free Running Fit |
Mechanical Engineering
|
Easy |
| 643 |
Integral Finding |
Math
|
Medium |
| 644 |
Kirchhoff’s 2nd Law |
Electrical & Computer Engineering
|
Easy |
| 645 |
Force Fit |
Mechanical Engineering
|
Easy |
| 646 |
Modified Goodman Theory |
Mechanical Engineering
|
Easy |
| 647 |
Soderberg Theory |
Mechanical Engineering
|
Easy |
| 648 |
Elongating |
Mechanics of Materials
|
Easy |
| 649 |
Unit Normal Distribution |
Prob & Stats
|
Easy |
| 650 |
Differentiate |
Math
|
Easy |
| 651 |
Goodman Failure |
Mechanical Engineering
|
Easy |
| 652 |
Concurrent Force |
Statics
|
Easy |
| 653 |
Goodman vs Soderberg |
Mechanical Engineering
Mechanics of Materials
Materials Science
|
Medium |
| 654 |
Sample Root Mean Square |
Prob & Stats
|
Easy |
| 655 |
Sample Range |
Prob & Stats
|
Easy |
| 656 |
Beam |
Statics
|
Easy |
| 657 |
Landing Gear |
Economics
|
Medium |
| 658 |
Hockey Puck |
Dynamics
|
Easy |
| 659 |
Radiation Temp |
Heat Transfer
|
Easy |