Mechanical Aptitude FREE Mechanical Aptitude Ultimate Question and Answers 2

Question 1

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

Accepted Answer

200 pounds

Answer

100 pounds

Answer

400 pounds

Answer

50 pounds

Question 2

Which type of gear arrangement is used to transmit motion between two shafts that are perpendicular to each other?

Accepted Answer

Bevel gears

Answer

Spur gears

Answer

Helical gears

Answer

Planetary gears

Question 3

A hydraulic jack has an input piston with an area of 2 square inches and an output piston with an area of 20 square inches. If 10 pounds of force is applied to the input piston, what is the output force?

Accepted Answer

100 pounds

Answer

20 pounds

Answer

200 pounds

Answer

10 pounds

Question 4

When a spring is compressed to half its natural length, what happens to the potential energy stored in the spring compared to compressing it to one-quarter of its natural length?

Accepted Answer

The energy at half compression is less than at one-quarter compression

Answer

The energy at half compression is greater

Answer

They store the same energy

Answer

There is no energy stored during compression

Question 5

A 150-pound person stands at the center of a 10-foot uniform beam supported at both ends. What is the support force at each end?

Accepted Answer

75 pounds

Answer

150 pounds

Answer

50 pounds

Answer

100 pounds

Question 6

In a belt-and-pulley system, a 4-inch driver pulley is connected to an 8-inch driven pulley. If the driver rotates at 1,200 RPM, what is the speed of the driven pulley?

Accepted Answer

600 RPM

Answer

1,200 RPM

Answer

2,400 RPM

Answer

300 RPM