Mechanical Aptitude FREE Mechanical Aptitude MCQ Question and Answers 2

Question 1

A wheelbarrow is an example of which class of lever?

Accepted Answer

Second-class lever

Answer

First-class lever

Answer

Third-class lever

Answer

Not a lever

Question 2

If two gears are meshed together and the driving gear has 20 teeth while the driven gear has 40 teeth, what is the gear ratio?

Accepted Answer

1:2

Answer

2:1

Answer

1:4

Answer

4:1

Question 3

What happens to the pressure in a hydraulic system when the area of the output piston is doubled while the input force remains the same?

Accepted Answer

Pressure stays the same

Answer

Pressure doubles

Answer

Pressure is halved

Answer

Pressure quadruples

Question 4

A block is placed on an inclined plane at 30 degrees. Which force component acts parallel to the surface pulling the block downward?

Accepted Answer

mg sin 30°

Answer

mg cos 30°

Answer

mg tan 30°

Answer

mg

Question 5

Which type of belt drive arrangement is used to reverse the direction of rotation of the driven pulley?

Accepted Answer

Crossed belt drive

Answer

Open belt drive

Answer

Serpentine belt drive

Answer

V-belt drive

Question 6

In a simple pulley system with 4 supporting ropes, approximately how much force is needed to lift a 200 lb load (ignoring friction)?

Accepted Answer

50 lb

Answer

200 lb

Answer

100 lb

Answer

25 lb