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AE-JE (ME) || Machine Design Revision Quiz

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Question 1

The friction torque, transmitted in case of flat pivot bearing for uniform ratio of wear is equal to

Question 2

If the load on a ball bearing is reduced to half, then its life would be ________.

Question 3

Tearing efficiency of riveted Joint is 70% , The pitch to hole diameter ratio of rivets is

Question 4

Multi plate friction clutch is suitable for

Question 5

The included angle for V belt is usually

Question 6

The power transmitted by a belt drive is (T₁=Tension on tight side, T₂=Tension on slack side, where v = linear velocity, ω = angular velocity)

Question 7

A machine component is subjected to variable loading -60 MPa and +60 MPa. If the endurance strength and yield strength for the material are 200 MPa and 300 MPa, respectively, the factor of safety ( based on Soderberg equation) is______.

Question 8

A body is subjected to completely reversed stress. The maximum stress is 30 Pa. What is the stress ratio?

Question 9

According to maximum shear stress, the ratio of maximum shear stress to yield stress is equal to

Question 10

Required velocity ratio is 60:1, which of the following are recommended _________?

Question 11

The Wahl stress factor K for springs of spring index

is given by

Question 12

In which option does not have application of the power screw

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AE & JE Exams Mechanical Engineering

Feb 8AE & JE Exams