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Engineering
Mechanical
ME Set-1
Machine Design
143

Machine Design MCQ with Answers

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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Related Machine Design MCQ with Answers

144) According to law of gearing, the common normal at the point of contact between a pair of teeth must always pass through the pitch point.

Correct

Incorrect

Answer is:

Correct

145) An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

tip of the gear and flank of pinion

tip of the pinion and flank of gear

flanks of both gear and pinion

tip of both gear and pinion

Answer is:

tip of the gear and flank of pinion

146) The major diameter of a screw thread is also known as core or root diameter.

Yes

No

Unknown

None

Answer is:

No

147) The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)

1420 d

1680 d

2080 d

2840 d

Answer is:

2840 d

Machine Design MCQ with Answers

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