233) For circumferential joint in boilers, the type of joint used is

butt joint with single cover plate

butt joint with double cover plate

lap joint with one ring overlapping the other

any one of the above

Answer is:

lap joint with one ring overlapping the other

Machine Design MCQ with Answers

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234) In cyclic loading, stress concentration is more serious in

brittle materials

ductile materials

brittle as well as ductile materials

elastic materials

Answer is:

ductile materials

235) For a square key made of mild steel, the shear and crushing strength are related as

shear strength is equal to crushing strength

shear strength is greater than crushing strength

shear strength is less than crushing strength

none of the above

Answer is:

shear strength is equal to crushing strength

236) In a bolt, the plane of shear should be across the threaded portion of the shank.

Correct

Incorrect

Answer is:

Incorrect

237) When a metal or alloy is cold worked,

its hardness and strength increases

it is worked below recrystallisation temperature

its hardness and strength increases and it is worked below recrystallisation temperature

none of these

Answer is:

its hardness and strength increases and it is worked below recrystallisation temperature

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233) For circumferential joint in boilers, the type of joint used is

lap joint with one ring overlapping the other

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

234) In cyclic loading, stress concentration is more serious in

ductile materials

235) For a square key made of mild steel, the shear and crushing strength are related as

shear strength is equal to crushing strength

236) In a bolt, the plane of shear should be across the threaded portion of the shank.

Incorrect

237) When a metal or alloy is cold worked,

its hardness and strength increases and it is worked below recrystallisation temperature

Machine Design MCQ with Answers