ISRO Mechanical Exam: Strength of Materials Quiz

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Question 1

Given that
P_E = the crippling load given by Euler
P_C = the load at failure due to direct compression
P_R = the load in accordance with the Rankine’s criterion of failure
Then P_R is given by

• A
• B
• C
• DNone of the above

Question 2

When a shaft is subjected to combined twisting moment (T) and bending moment (M), the equivalent twisting moment is equal to

• A
• B
• C
• D

Question 3

Consider the beam shown in figure. The beam is simply supported at its left end A and fixed at its right end B. It carries a load that varies in intensity from zero at support A to ‘w’ at support B according to the relation . The reaction component at A is

• A
• B
• C
• D

Question 4

A cantilever is subjected to a UDL the cross section of the beam is H-section placed as shown in fig. The bending stress distribution across the cross section will be

• Aa
• Bb
• Cc
• Dd

Question 5

Circumferential and longitudinal strains in the cylindrical boiler under internal steam pressure are and respectively. Change in the volume of the boiler cylinder per unit volume will be

• A
• B
• C
• D

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