Psychometric Test Psychometric Test Mechanical Reasoning

Question 1

Two gears are meshed together. Gear A has 20 teeth and Gear B has 40 teeth. If Gear A rotates at 100 RPM, at what speed does Gear B rotate?

Accepted Answer

50 RPM

Answer

200 RPM

Answer

100 RPM

Answer

25 RPM

Question 2

A lever has a fulcrum in the middle. A 10 kg weight is placed 2 m to the left. To balance it, a 5 kg weight must be placed how far to the right?

Accepted Answer

4 m

Answer

1 m

Answer

2 m

Answer

5 m

Question 3

Water flows through a pipe that narrows from a 4 cm diameter to a 2 cm diameter. What happens to the water's flow speed?

Accepted Answer

It quadruples

Answer

It halves

Answer

It doubles

Answer

It stays the same

Question 4

A ball is thrown horizontally from a cliff. Ignoring air resistance, which force acts on the ball during flight?

Accepted Answer

Only gravity

Answer

Only horizontal force

Answer

Horizontal force and gravity equally

Answer

No force

Question 5

A pulley system has one fixed and one movable pulley. Approximately how much effort is needed to lift a 100 kg load?

Accepted Answer

50 kg

Answer

100 kg

Answer

25 kg

Answer

200 kg

Question 6

Which type of simple machine is a doorknob?

Accepted Answer

Wheel and axle

Answer

Lever

Answer

Wedge

Answer

Inclined plane