Mechanical Aptitude Levers, Pulleys, and Gears Questions and Answers 2

Question 1

In a first-class lever, where is the fulcrum located relative to the effort and load?

Accepted Answer

Between the effort and the load

Answer

At the same end as the effort

Answer

At the same end as the load

Answer

Above the effort and load

Question 2

A compound pulley system with 4 supporting rope segments has what ideal mechanical advantage?

Accepted Answer

4

Answer

2

Answer

3

Answer

8

Question 3

When two gears mesh together, in which direction does the driven gear rotate relative to the driving gear?

Accepted Answer

The opposite direction

Answer

The same direction

Answer

It depends on the gear size

Answer

They rotate independently

Question 4

A gear with 60 teeth drives a gear with 20 teeth. What is the gear ratio?

Accepted Answer

3:1

Answer

1:3

Answer

2:1

Answer

1:2

Question 5

What type of lever is a wheelbarrow?

Accepted Answer

Second-class lever

Answer

First-class lever

Answer

Third-class lever

Answer

Not a lever

Question 6

What is the purpose of a worm gear?

Accepted Answer

To provide high gear reduction and prevent reverse driving

Answer

To increase speed dramatically

Answer

To change rotation to reciprocating motion

Answer

To connect parallel shafts