Theory Of Machine MCQ Questions & Answers

A) $$\frac{{{\text{Length of the path of approach}}}}{{{\text{Circular pitch}}}}$$ B) $$\frac{{{\text{Length of the path of recess}}}}{{{\text{Circular pitch}}}}$$ C) $$\frac{{{\text{Length of the arc of contact}}}}{{{\text{Circular pitch}}}}$$ D) $$\frac{{{\text{Length of the arc of approach}}}}{{\cos \varphi }}$$

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Answer & Solution

Answer: Option C

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The danger of breakage and vibration is maximum

A) Below the critical speed B) Near the critical speed C) Above the critical speed D) None of these

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Answer & Solution

Answer: Option B

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In a differential band brake as shown in the below figure, the drum rotates anticlockwise and the greater tension T₁ acts at A and smaller tension T₂ at B. Length OA is greater than length OB. In order to apply the brake, the force P at C should
Theory of Machine mcq question image

A) Be zero B) Act in upward direction C) Act in downward direction D) None of the above

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Answer & Solution

Answer: Option C

Solution:

The cam follower generally used in aircraft engines is

A) Knife edge follower B) Flat faced follower C) Spherical faced follower D) Roller follower

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Answer: Option D

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An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the

A) Tip of the gear tooth and flank of pinion B) Tip of the pinion and flank of gear C) Flanks of both gear and pinion D) Tip of both gear and pinion

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Answer: Option A

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A kinematic chain requires at least

A) 2 links and 3 turning pairs B) 3 links and 4 turning pairs C) 4 links and 4 turning pairs D) 5 links and 4 turning pairs

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Answer & Solution

Answer: Option C

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In a four stroke I.C. engine, the turning moment during the compression stroke is

A) Positive throughout B) Negative throughout C) Positive during major portion of the stroke D) Negative during major portion of the stroke

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Answer & Solution

Answer: Option B

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Typewriter constitutes

A) Machine B) Structure C) Mechanism D) Inversion

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Answer: Option C

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The minimum force required to slide a body of weight W on a rough horizontal plane is

A) W sinθ B) W cosθ C) W tanθ D) W cosecθ

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Answer & Solution

Answer: Option A

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Theory Of Machine MCQ Questions & Answers | Mechanical Engineering