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46

Transmission of Power MCQ with Answers

46) Jockey pulley is used with

Cross belt drive

Open belt drive

Quarter twist drive

None of the above

Answer is:

Open belt drive

Explanation:

Jockey pulley is used with open belt drive.

Jockey pulley is used with

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47) 'V' belt is fit for

Open belt drive

Cross belt drive

Quarter twist drive

None of the above

Answer is:

Open belt drive

Explanation:

'V' belt is fit for Open belt drive.

'V' belt is fit for

48) Which one of the following statements is correct in respect of jockey pulley ?

It is used to increase the speed ratio of the drive

It is used to decrease the speed ratio of the drive

It does not affect the speed ratio of the drive

It is similar to the fast pulley

Answer is:

It does not affect the speed ratio of the drive

Which one of the following statements is correct in respect of jockey pulley ?

49) The centre-to-centre distance of the pulleys should not be less than

1.5 times of the larger pulley diameter

2 times of the larger pulley diameter

2.5 times of the larger pulley diameter

3 times of the larger pulley diameter

Answer is:

3 times of the larger pulley diameter

50) If the centre-to-centre distance between meshing gears is 150mm and the velocity ratio is 2:1, what will be the pitch diameter of the pinion and gear ?

50 mm and 100 mm

100 mm and 200 mm

150 mm and 300 mm

200 mm and 400 mm

Answer is:

100 mm and 200 mm

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