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Engineering
Mechanical
ME Set-1
Machine Design
83

Machine Design MCQ with Answers

83) Idler pulley is used for

increasing velocity ratio

for applying tension

changing the direction of motion of belt

all of these

Answer is:

for applying tension

Machine Design MCQ with Answers

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Related Machine Design MCQ with Answers

84) The bell crank levers used in railway signalling arrangement are of third type levers.

Righ

Wrong

Answer is:

Wrong

The bell crank levers used in railway signalling arrangement are of third type levers.

85) When spring index increases, the value of Wahl's stress factor

increases linearly

decreases linearly

remains same

increases exponentially

Answer is:

increases exponentially

86) A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress the

2.5

2.8

3

3.5

Answer is:

2.8

87) The longitudinal stress is __________ of the circumferential stress.

one-half

two-third

three-fourth

double

Answer is:

one-half

Machine Design MCQ with Answers

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