Explore topic-wise MCQs in Farm Machinery.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Farm Machinery knowledge and support exam preparation. Choose a topic below to get started.

1.

The chain drive is used to reduce the speed from 180 rpm to 90 rpm, the driving sprocket has 20 teeth and pitch circle diameter of 500 mm. The centre to centre distance between the sprockets of chain drive is 550 mm. Determine total number of links.

A. 65
B. 100
C. 45
D. 115
Answer» D. 115
Discussion
2.

A 20 teeth sprocket is operating at 150 rpm and driving a 43 teeth sprocket through a chain. The pitch of the chain is 250 mm and alternate strength is 10 KN. Determine the average torque applied to driven shaft at maximum power transmission.

A. 10000 N
B. 17105 N
C. 15984 N
D. 16156 N
Answer» C. 15984 N
Discussion
3.

Perfect velocity ratio is obtained in ________

A. Gear drives
B. V-belts
C. Belts
D. Chain drive
Answer» E.
Discussion
4.

Chain and sprocket drive is preferred, when two parallel shafts are placed at a distance of _______

A. 5 m
B. 2 m
C. 10 m
D. 4 m
Answer» C. 10 m
Discussion
5.

Pitch length of standard chain number 40 is ________

A. 1.3 cm
B. 2.3 cm
C. 3.3 cm
D. 4.3 cm
Answer» B. 2.3 cm
Discussion
6.

Pintle chains are made of ________

A. Roller links
B. Sprockets
C. Pintle
D. Malleable links
Answer» E.
Discussion
7.

In chain drives, for higher speed and loads, suitable chains to be used are ______

A. Pintle chain
B. Sprocket chain
C. Roller chain
D. Hook-link chain
Answer» D. Hook-link chain
Discussion
8.

In chain drives the component with a cast throttled wheel is known as _______

A. Sprocket
B. Idler
C. Speed cone
D. Skirt
Answer» B. Idler
Discussion
9.

Which of the following rollers are used for external drive?

A. Roller chain
B. Hook link chain
C. Pintle chain
D. Plate chain
Answer» C. Pintle chain
Discussion
10.

Chain and sprocket drive is used, where _____________

A. Two shafts are at short distance
B. Power is to be transmit at 90
C. Two shafts are at long distance
D. Power is to transmit radially
Answer» B. Power is to be transmit at 90
Discussion
11.

Determine the length of the chain having 200 mm pitch and is used for speed reduction from 340 rpm to 120 rpm. The numbers of teeth on driving and driven sprockets are 20 and 40 respectively. The centre to centre distance between 2 sprockets is 540 mm and diameter of driven sprocket is 450 mm.

A. 5.145 m
B. 4.145 m
C. 3.145 m
D. 2.145 m
Answer» E.
Discussion
12.

The centre to centre distance between two sprockets of chain drives is 600 mm. The chain drive is used to reduce the speed from 160 rpm to 90 rpm. The driving sprocket has 18 teeth and pitch circle diameter of 480 mm. Determine the pitch of the chain and teeth on driven sprocket.

A. 0.10 m, 46
B. 0.083 m, 36
C. 1 m, 26
D. 1.083 m, 16
Answer» C. 1 m, 26
Discussion
13.

The pitch of a chain is 200 mm. An 8 sprocket is operating at 250 rpm and driving a 25 teeth sprocket through the drain. The tension in the chain is 15 KN. Determine the maximum power.

A. 100 kw
B. 200 kw
C. 300 kw
D. 400 kw
Answer» B. 200 kw
Discussion
14.

A chain is used for speed reduction from 240 rpm to 110 rpm. The number of teeth on driving sprocket is 22. The centre to centre distance between 2 sprockets is 540 mm and pitch circle diameter of driven sprockets is 480 mm. determine number of teeth on driven sprockets.

A. 48
B. 50
C. 52
D. 54
Answer» B. 50
Discussion
15.

A 10 teeth sprocket is operating at 200 rpm and driving a 25 teeth sprocket through a chain. The pitch of the chain is 20 mm and ultimate strength is 20 KN. Calculate the average linear speed.

A. 0.55 m/s
B. 0.66 m/s
C. 0.77 m/s
D. 0.88 m/s
Answer» C. 0.77 m/s
Discussion