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Engineering
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ME Set-1
Machine Design
139

Machine Design MCQ with Answers

139) In a marine flange coupling, the thickness of flange is taken as

d/4

d/3

d/2

3 d/4

Answer is:

d/3

Machine Design MCQ with Answers

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Related Machine Design MCQ with Answers

140) The wire ropes make contact at

bottom of groove of the pulley

sides of groove of the pulley

sides and bottom of groove of the pulley

anywhere in the groove of the pulley

Answer is:

bottom of groove of the pulley

141) A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be

5 mm

10 mm

15 mm

25 mm

Answer is:

25 mm

142) A tangent key is provided in pairs at right angles and each key is to withstand torsion in one direction only.

Agree

Disagree

Answer is:

Agree

143) When the speed of belt increases,

the coefficient of friction between the belt and pulley increases

the coefficient of friction between the belt and pulley decreases

the power transmitted will decrease

the power transmitted will increase

Answer is:

the power transmitted will decrease

Machine Design MCQ with Answers

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