CPS Mechanical Aptitude and Principles 3

Question 1

Water flowing through a hose is forced into a narrower nozzle. What happens to the water's speed at the nozzle?

Accepted Answer

It speeds up

Answer

It slows down

Answer

It stops

Answer

It stays the same

Question 2

Two people carry a load on a pole between them. To make one person bear more weight, the load should be moved how?

Accepted Answer

Closer to that person

Answer

Toward the middle

Answer

Farther from that person

Answer

Lifted higher

Question 3

What is the mechanical advantage of a pulley system with four supporting rope segments?

Accepted Answer

4

Answer

1

Answer

2

Answer

8

Question 4

A bimetallic strip bends when heated because the two metals do what?

Accepted Answer

Expand by different amounts

Answer

Melt at the same rate

Answer

Become magnetic

Answer

Conduct electricity

Question 5

If a wrench handle is made longer, the force you can apply to turn a bolt does what?

Accepted Answer

Increases

Answer

Decreases

Answer

Stays the same

Answer

Becomes zero

Question 6

Which of these would float in water?

Accepted Answer

A sealed empty plastic bottle

Answer

A solid steel block

Answer

A brick

Answer

A lead weight

Question 7

In a system of meshed gears, two gears that touch directly will rotate in which directions relative to each other?

Accepted Answer

Opposite directions

Answer

The same direction

Answer

They lock up

Answer

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