Which of the following stresses are associated with the tightening of – McqOptions

MCQOPTIONS

1.	Which of the following stresses are associated with the tightening of a nut on a bolt?P. Crushing and shear stress in threadsQ. Bending stress due to the bending of boltR. Torsional shear stress due to frictional resistance between the nut and the boltSelect the correct answer using the codes given below:
A.	P and Q
B.	P and R
C.	Only P
D.	Only R
Answer» B. P and R

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