Mechanical Aptitude FREE Mechanical Aptitude Principles Question and Answers 2

Question 1

A worker needs to lift a 200 lb object using a single fixed pulley. How much force must the worker apply to the rope?

Accepted Answer

200 lb

Answer

100 lb

Answer

400 lb

Answer

50 lb

Question 2

Which type of stress occurs in a bolt when it is tightened to clamp two plates together?

Accepted Answer

Tensile stress

Answer

Shear stress

Answer

Compressive stress

Answer

Torsional stress

Question 3

If a hydraulic system has a master cylinder with an area of 2 square inches and a slave cylinder with an area of 10 square inches, what is the mechanical advantage?

Accepted Answer

5

Answer

2

Answer

10

Answer

20

Question 4

A beam is supported at both ends with a load applied at the center. What type of beam configuration is this?

Accepted Answer

Simply supported beam

Answer

Cantilever beam

Answer

Fixed beam

Answer

Continuous beam

Question 5

What happens to the pitch of a sound when the frequency of vibration increases?

Accepted Answer

Pitch increases

Answer

Pitch decreases

Answer

Pitch stays the same

Answer

Pitch fluctuates randomly

Question 6

Which principle explains why an airplane wing generates lift?

Accepted Answer

Bernoulli's principle

Answer

Pascal's principle

Answer

Archimedes' principle

Answer

Newton's first law