Deck 30: Ratios

Question 1

The pinion gear has 10 teeth and the ring gear has 40 teeth. What is the axle ratio?

A) 4:1
B) 9:2
C) 5:1
D) 11:2

Answer 1

4:1

Question 2

A(n) ____________________ is a comparison of one quantity with another quantity that is similar.

Answer 2

ratio

Question 3

The driven gear has 85 teeth. The driver gear has 15 teeth. Find the ratio of the teeth on the driven gear to the driver gear.

A) 4:1
B) 16:3
C) 17:3
D) 6:1

Answer 3

17:3

Question 4

After stating the like quantities, it is necessary to reduce the ratio to ____________________ terms.

Question 5

Pulley A is 42 inches in diameter, and pulley B is 24 inches in diameter. What is the ratio of the diameter of A to the diameter of B?

A) 1:1
B) 5:4
C) 3:2
D) 7:4

Question 6

Gear ratio compares the number of ____________________ on different gears.

Question 7

A car is in fifth speed (overdrive). The driver gear has 16 teeth, and the driven gear has 10 teeth. What is the overdrive ratio?

A) 5:8
B) 3:4
C) 4:3
D) 8:5

Question 8

If the pinion gear has 28 teeth and the ring gear has 42 teeth, find the differential ratio.

A) 3:2
B) 3:1
C) 4:1
D) 9:2

Question 9

There are 34 cubic inches of space when the piston is at the bottom of the stroke. When the piston is at the top of the stroke, there are 6 cubic inches of space. What is the compression ratio?

A) 16:3
B) 17:3
C) 6:1
D) 19:3

Question 10

Gear A has 33 teeth, and gear B has 22 teeth. What is the ratio of the number of teeth on A to the number of teeth on B?

A) 5:4
B) 4:3
C) 3:2
D) 2:1