181) According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as

M6 - 8d

M8 - 6d

Answer is:

M6 - 8d

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182) When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be

(F)/(bh)

(3F)/(2bh)

(2F)/(bh)

(4F)/(bh)

Answer is:

(3F)/(2bh)

183) In designing a connecting rod, it is considered like __________ for buckling about Y-axis.

both ends hinged

both ends fixed

one end fixed and the other end hinged

one end fixed and the other end free

Answer is:

both ends fixed

184) A steel containing __________ 0.8% carbon is known as hypo-eutectoid steel.

equal to

less than

greater than

none of these

Answer is:

less than

185) When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

initial tension

external load applied

sum of the initial tension and external load applied

initial tension or external load, whichever is greater

Answer is:

sum of the initial tension and external load applied

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181) According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as

M6 - 8d

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

182) When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be

(3F)/(2bh)

183) In designing a connecting rod, it is considered like __________ for buckling about Y-axis.

both ends fixed

184) A steel containing __________ 0.8% carbon is known as hypo-eutectoid steel.

less than

185) When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

sum of the initial tension and external load applied

Machine Design MCQ with Answers