Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DESIGN OF AGRICULTURAL MACHINERY - A.T. Belonio and D.A.H. Belonio > SPROCKET AND CHAIN DRIVES > Flashcards

SPROCKET AND CHAIN DRIVES Flashcards

1
Q

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

A

a. Roller chain drive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

c. roller chain number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

RC-50 chain is stronger than ___.

a. RC-60
b. RC-40
c. RC-70
d. None of the above

A

b. RC-40

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

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

A

b. ANSI chain number 50

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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

A

b. lower side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

b. increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

b. 16 teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A

b. 18-24 teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Item 8.
The recommended minimum number of sprocket teeth for high-speed operation.
——————
If the chain pitch is 12.7 mm, what is the length of the chain needed for the drive in Item 8?

a. 100 pitches
b. 120 pitches
c. 140 pitches
d. None of the above

A

c. 140 pitches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The length of chains is usually expressed in ___.

a. inches
b. meters
c. pitches
d. None of the above

A

c. pitches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A chain and sprocket drive is designed to drive a horizontal mixer at a speed of 100 rpm. The power source from a smaller sprocket has a speed of 400 rpm. What is the size of the smaller sprocket needed if the large sprocket has a teeth of 45 T? (Problem 1)

a. 9 teeth
b. 10 teeth
c. 11 teeth
d. None of the above

A

c. 11 teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Problem 1.
A chain and sprocket drive is designed to drive a horizontal mixer at a speed of 100 rpm. The power source from a smaller sprocket has a speed of 400 rpm. What is the size of the smaller sprocket needed if the large sprocket has a teeth of 45 T?
—————–
What is the speed ratio of the drive above? (Problem 1)
a. 2
b. 4
c. 6
d. None of the above

A

b. 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Problem 1.
A chain and sprocket drive is designed to drive a horizontal mixer at a speed of 100 rpm. The power source from a smaller sprocket has a speed of 400 rpm. What is the size of the smaller sprocket needed if the large sprocket has a teeth of 45 T?
—————-
What is the length of chain above if the center distance between shaft is 48 inches. Assume a chain pitch of 0.5 in. per pitch. (Problem 1)

a. 209 pitches
b. 212 pitches
c. 232 pitches
d. None of the above

A

a. 209 pitches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A roller-chain drive is to transmit 7.457 kW from a drive shaft to a driven shaft of a fruit conveyor. The drive shaft operates at 1200 rpm while the driven shaft must operate between 370 to 380 rpm. The center distance between drive shafts is calculated at approximately 572 mm. What is the design power for the drive if it has a 1.5 service factor? (Problem 3)

a. 7.4 kW
b. 11.2 kW
c. 13.4 kW
d. None of the above

A

b. 11.2 kW

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Problem 3.
A roller-chain drive is to transmit 7.457 kW from a drive shaft to a driven shaft of a fruit conveyor. The drive shaft operates at 1200 rpm while the driven shaft must operate between 370 to 380 rpm. The center distance between drive shafts is calculated at approximately 572 mm. What is the design power for the drive if it has a 1.5 service factor?
——————
What is the power rating of the drive in Item above if its design life is 5000 hours? (Problem 3)

a. 11.2 kW
b. 6.9 kW
c. 3.7 kW
d. None of the above

A

c. 3.7 kW

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Problem 3.
A roller-chain drive is to transmit 7.457 kW from a drive shaft to a driven shaft of a fruit conveyor. The drive shaft operates at 1200 rpm while the driven shaft must operate between 370 to 380 rpm. The center distance between drive shafts is calculated at approximately 572 mm. What is the design power for the drive if it has a 1.5 service factor?
——————
If an 11-tooth sprocket will be used for the drive shaft in Item above, how many sprocket teeth will be used for the driven shaft? (Problem 3)

a. 35 teeth
b. 42 teeth
c. 40 teeth
d. None of the above

A

a. 35 teeth

17
Q

Problem 3.
A roller-chain drive is to transmit 7.457 kW from a drive shaft to a driven shaft of a fruit conveyor. The drive shaft operates at 1200 rpm while the driven shaft must operate between 370 to 380 rpm. The center distance between drive shafts is calculated at approximately 572 mm. What is the design power for the drive if it has a 1.5 service factor?
——————
What is the speed ratio of the drive in Item above? (Problem 3)

a. 1.8
b. 3.2
c. 5.5
d. None of the above

A

b. 3.2

18
Q

A chain and sprocket drive as shown below is used to drive a feeding mechanism of a rotary dryer. The driver sprocket has 11T and running at a speed of 100 rpm. It transmit power of 1 hp to a driven sprocket with 33T. What is the velocity of the chain assuming a chain pitch of 0.5 in for the drive. (Problem 2)

a. 1.462 m/s
b. 2.134 m/s
c. 2.871 m/s
d. None of the above

A

a. 1.462 m/s

19
Q

Problem 2.
A chain and sprocket drive as shown below is used to drive a feeding mechanism of a rotary dryer. The driver sprocket has 11T and running at a speed of 100 rpm. It transmit power of 1 hp to a driven sprocket with 33T. What is the velocity of the chain assuming a chain pitch of 0.5 in for the drive.
—————-
What is the chain pull of the drive above? (Problem 2)

a. 490.34 kg
b. 502.65 kg
c. 510.26 kg
d. None of the above

A

c. 510.26 kg

20
Q

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

A

e. None of the above

21
Q

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

A

d. All of the above

22
Q

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

A

b. 3/8 in.

23
Q

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

A

a. 1/4 in.

24
Q

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

A

c. 1/2 in.

25
Q

Pitch length of RC 60.

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

A

c. 3/4 in.

26
Q

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

A

d. 1 in.

27
Q

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

A

b. Sprocket

28
Q

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

A

d. All of the above

29
Q

When ordering chain, ANSI standard provides that chains are sold in ____ ft boxes.

a. 5
b. 10
c. 15
d. None of the above

A

b. 10

30
Q

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

A

a. 4/8 in. pitch, single strand

DESIGN OF AGRICULTURAL MACHINERY - A.T. Belonio and D.A.H. Belonio (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions