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GATE ME: Machine Design Champion Quiz 3

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Question 1

The coupling used to connect two shafts with large angular misalignment is____.

Question 2

Rivets are made of

Question 3

Rivets undergo single shear in

Question 4

In a bolt of uniform strength

Question 5

Welds having strings deposited on unbroken surface to have required dimensions are known as:

Question 6

A rotating steel shaft is supported at the ends. It is subjected to a point load at the center. The maximum bending stress developed is 100 MPa. If the yield, ultimate and corrected endurance strength of the shaft material are 300 MPa, 500 MPa and 200 MPa, respectively, then the factor of safety for the shaft is ________

Question 7

Two shafts A and B are of same material, and A is twice the diameter of B. The torque that can be transmitted by A is

Question 8

In the design of connecting rod small end bearing, the value of permissible bearing pressure to be used is:

Question 9

A solid circular shaft needs to be designed to transmit a torque of 50 N.m. If the allowable shear stress of the material is 140 MPa, the minimum allowable design diameter in mm is

Question 10

Which of the following stresses are associated with the tightening of a nut on a stud?

1) Tensile stresses due to stretching of stud.

2) Bending stresses of stud.

3) Transverse shear stresses across threads.

4) Torsional shear stresses in threads due to frictional resistance.

Select the correct answer using the codes give below:

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ESE & GATE ME Machine Design

Oct 13ESE & GATE ME