Deck 36: Ratchet Wheels

Question 1

Ratchet wheels are designed to transmit motion in either direction.

Answer 1

False

Question 2

The abbreviation for GAUGE is ____.

A) G
B) GA
C) GE
D) GAU

Answer 2

B

Question 3

The smaller of two spur gears in mesh is called the ____.

A) lever
B) gear
C) pinion
D) module

Answer 3

C

Question 4

The mechanical advantage of gears can be determined by calculating the ratio between the number of teeth on the gears or the ratio between the ____.

A) pitch diameters
B) diametral pitches
C) outside diameters of the two gears
D) root diameters of the two gears

Question 5

When a ratchet wheel and pawl are designed, the center of the wheel, the attachment point on the pawl, and the point of the wheel tooth should fall on a common ____________________.

Question 6

The balancing point on a lever is called the ____________________.

Question 7

The abbreviation for square is ____________________.

Question 8

Using a lever, a light weight can lift a heavier weight, but in the process, the larger weight must travel farther than the smaller weight.

Question 9

Ratchet wheels can be designed to transmit motion in one direction only.

Question 10

Ratchet wheels are used to transform reciprocating motion into ____________________ motion.

Question 11

Mechanical advantage occurs when a weight in one place lifts a heavier weight in another place.

Question 12

The mechanical advantage of two gears, one having 36 teeth and the other having 18 teeth is ____.

A) 3:1
B) 3.6:1.8
C) 6:1
D) 2:1