Bennett Mechanical Test Gears and Belt Drives 3

Question 1

A gear with 60 teeth drives a gear with 20 teeth. The driven gear turns how many times per driver revolution?

Accepted Answer

3 times

Answer

1/3 time

Answer

2 times

Answer

6 times

Question 2

Bevel gears are used primarily to transmit motion between shafts that are:

Accepted Answer

At an angle to each other

Answer

Perfectly parallel

Answer

Overlapping

Answer

Connected by a belt

Question 3

A worm gear arrangement is known for providing:

Accepted Answer

High speed reduction

Answer

High output speed

Answer

No torque change

Answer

Reverse drive only

Question 4

In a belt drive, if the belt is too loose, the most likely result is:

Accepted Answer

Slipping and lost power

Answer

Increased torque

Answer

Faster output

Answer

Reversed rotation

Question 5

A 5 cm diameter pulley drives a 15 cm diameter pulley. The speed ratio of driver to driven is:

Accepted Answer

3:1

Answer

1:3

Answer

1:1

Answer

5:15 unchanged

Question 6

Which gear type has teeth cut at an angle, allowing quieter and smoother operation than straight-cut gears?

Accepted Answer

Helical gears

Answer

Spur gears

Answer

Rack gears

Answer

Idler gears

Question 7

A rack and pinion converts rotational motion into:

Accepted Answer

Linear motion

Answer

Faster rotation

Answer

Reverse torque

Answer

Belt tension