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GATE CE 2022: STRENGTH OF MATERIALS : 63

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Question 1

Two bars made up of same material are connected in series as shown in the figure below subjected to a twisting moment T at the end. The ratio of angle of twist of bar AB and BC is

(The length of both the bars is L).

Question 2

A hollow circular shaft having 250 mm outer diameter and 200 mm inner diameter can be subjected to maximum shear stress of 150 N/mm². The maximum torque transmitted by the shaft is____kNm

Question 3

In a strained material one of the principal stresses is twice the other. The maximum shear stress in the same case is

. Then, the value of the maximum principal stress is

Question 4

In a plane strain problem in the xy plane the shear strain is given as 12×10^-6 and the normal strain in x and y direction is 0. For this state of strain, what is the radius of the Mohr’s circle of strain.

Question 5

Strain tensor is given below

The shear strain in x-y plane is A × 10^–6 the value of ‘A’ is

Question 6

Mohr’s circle method can be used to calculate

i. Maximum normal stresses

ii. Minimum shear stresses

iii. Principal strains

iv. Plane of zero shear strain

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ESE & GATE CE Strength of Materials

Jul 8ESE & GATE CE