CHAIN AND SPROCKET DRIVE

Question 1

A drive system consists of an endless
chain whose links engage the teeth of
sprocket keyed to the shaft of the
driving and driven mechanism that is
commonly used for power tiller
transmission boxes.
a. Roller chain drive
b. Pintle chain drive
c. Bead chain drive
d. None of the above

Answer 1

Roller chain drive

Question 2

Chain size is usually specified in terms
of ___.
a. diameter of roller chain
b. length of chain
c. roller chain number
d. None of the above

Answer 2

roller chain number

Question 3

RC-50 chain is stronger than ___.
a. RC-60
b. RC-40
c. RC-70
d. None of the above

Answer 3

RC-40

Question 4

The minimum size of chain for the
transmission box of a walking-type hand
tractor.
a. ANSI chain number 40
b. ANSI chain number 50
c. ANSI chain number 60
d. All of the above

Answer 4

ANSI chain number 50

Question 5

The slack strand for chain with
horizontal center should be located at
the ___.
a. upper side
b. lower side
c. both sides
d. None of the above

Answer 5

lower side

Question 6

If roller chain number 40 is to be
replaced with no. 60, the strength of the
chain will___.
a. decrease
b. increase
c. remain except the size
d. None of the above

Answer 6

increase

Question 7

For slow-speed operation, the
recommended number of teeth for driver
sprocket is ___.
a. 11 teeth
b. 16 teeth
c. 24 teeth
d. None of the above

Answer 7

16 teeth

Question 8

The recommended minimum number of
sprocket teeth for high-speed operation.
a. 14-16 teeth
b. 18-24 teeth
c. 28-30 teeth
d. None of the above

Answer 8

18-24 teeth

Question 9

If the chain pitch is 12.7 mm, what is the
length of the chain needed for the drive in
Item above?
a. 100 pitches
b. 120 pitches
c. 140 pitches
d. None of the above

Answer 9

140 pitches

Question 10

The length of chains is usually expressed
in ___.
a. inches
b. meters
c. pitches
d. None of the above

Answer 10

pitches

Question 11

Which of the following is not a
part of the roller chain
construction?
a. Rollers
b. Pins
c. Outside link plates
d. Inside link plates
e. None of the above
f. All of the above

Answer 11

NOTA

Question 12

It is connecting link assembly for
easy and rapid replacement of parts
of chain drive.
a. Pin link
b. Link plate
c. Retainer
d. All of the above
e. Two of the above

Answer 12

AOTA

Question 13

Pitch length of roller chain number
35.
a. 1/4 in.
b. 3/8 in.
c. 1/2 in.
d. 1 in.
e. None of the above

Answer 13

3/8 in.

Question 14

Pitch length of roller chain 25.
a. 1/4 in.
b. 3/8 in.
c. 1/2 in.
d. 1 in.
e. None of the above

Answer 14

1/4 in.

Question 15

Pitch length of RC 40.
a. 1/4 in.
b. 3/8 in.
c. 1/2 in.
d. 1 in.
e. None of the above

Answer 15

1/2 in.

Question 16

Pitch length of RC 60.
a. 3/8 in.
b. 1/2 in.
c. 3/4 in.
d. None of the above

Answer 16

3/4 in.

Question 17

Pitch length of RC 80
a. 1/4 in.
b. 1/2 in.
c. 3/4 in.
d. 1 in.
e. None of the above

Answer 17

1 in.

Question 18

It is a profiled wheel with teeth that
meshes with a chain, track or other
perforated or indented material.
a. Gear
b. Sprocket
c. Sheave
d. None of the above

Answer 18

Sprocket

Question 19

Chain measurement can be identified
based on ________ .
a. Pitch
b. Width between inner plates
c. Roller diameter
d. All of the above
e. Two of the above

Answer 19

AOTA

Question 20

When ordering chain, ANSI standard
provides that chains are sold in ____ ft
boxes.
a. 5
b. 10
c. 15
d. None of the above

Answer 20

10

Question 21

ANSI Standard for Roller Chain 40-1
means that the chain is _____ .
a. 4/8 in. pitch, single strand
b. 4/4 in. pitch, one piece
c. 4/2 in. pitch, first series
d. None of the above

Answer 21

4/8 in. pitch, single strand