APT Mechanical Aptitude Flashcards

Which tool is used to measure the inside diameter of a cylinder?

Answer: Bore gauge

A bore gauge is specifically designed to measure the internal diameter of cylinders and bores.

A spring is compressed and then released. What type of energy is released?

Answer: Elastic potential energy

A compressed spring stores elastic potential energy, which is released as kinetic energy when released.

What is the purpose of a fuse in an electrical circuit?

Answer: Prevent excess current from damaging the circuit

A fuse contains a wire that melts and breaks the circuit when current exceeds a safe level, protecting equipment.

Two blocks are connected by a rope over a frictionless pulley. If block A weighs 50 lbs and block B weighs 30 lbs, which direction will they move?

Answer: Block B will move up

The heavier block A will pull down, causing block B to move upward.

What does it mean when a vehicle's temperature gauge is in the red zone?

Answer: The engine is overheating

A temperature gauge in the red zone indicates the engine is overheating and could be damaged if not addressed.

Which simple machine is a wedge most similar to in function?

Answer: Inclined plane

A wedge is essentially a double inclined plane — it converts force applied to its blunt end into splitting force.