95) The building up of worn and undersized parts, subjected to repeated loads by electroplating is

best method

extremely hazardous

has no effect as regards fatigue strength

cheapest method

Answer is:

best method

Theory of Machines MCQ with Answers

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96) In nitrated parts, the origins of the fatigue cracks will occur at

surface

just below the surface

within the core

none of the above.

Answer is:

none of the above.

97) Which process will increase the fatigue duration of parts ?

finishing and polishing

shot-peening

decarburisation

electroplating

Answer is:

shot-peening

98) Which is correct statement ?

a member made of steel will generally be more rigid than a member of equal load-carrying ability made of cast iron

a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel

both will be equally rigid

which one is rigid will depend on several other factors

Answer is:

a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel

99) Resistance to fatigue of a material is measured by

Young′s modulus

coefficient of elasticity

elastic limit

endurance limit.

Answer is:

endurance limit.

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95) The building up of worn and undersized parts, subjected to repeated loads by electroplating is

best method

Theory of Machines MCQ with Answers

Related Theory of Machines MCQ with Answers

96) In nitrated parts, the origins of the fatigue cracks will occur at

none of the above.

97) Which process will increase the fatigue duration of parts ?

shot-peening

98) Which is correct statement ?

a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel

99) Resistance to fatigue of a material is measured by

endurance limit.

Theory of Machines MCQ with Answers