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ME Set-1
Machine Design
149

Machine Design MCQ with Answers

149) The helix angle for single helical gears ranges from

10 Degree to 15 Degree

15 Degree to 20 Degree

20 Degree to 35 Degree

35 Degree to 50 Degree

Answer is:

20 Degree to 35 Degree

Machine Design MCQ with Answers

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Related Machine Design MCQ with Answers

150) In order to withstand resistance to wear, the best profile of gear is

14.5 Degree full depth involute tooth

20 Degree full depth involute tooth

20 Degree involute stub tooth

14.5 Degree Stub tooth

Answer is:

14.5 Degree full depth involute tooth

151) A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

1 kN-m

2 kN-m

3 kN-m

4 kN-m

Answer is:

3 kN-m

152) The design of pin of a rocker arm of an I.C. engine is based on

bearing failure

shearing failure

bending failure

all of these

Answer is:

all of these

Explanation:

The design of pin of a rocker arm of an I.C. engine is based on
* bearing failure
* shearing failure
* bending failure

153) For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

4

6

8

10

Answer is:

4

Machine Design MCQ with Answers

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