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Theory of Machine

Theory of Machine
When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to

π/2
Zero
π
One

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Theory of Machine
Hart mechanism has

Eight links
Four links
Twelve links
Six links

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Theory of Machine
In a steam engine, the link constitutes a

Crank pin, crankshaft and flywheel
Connecting rod with big and small end brasses, caps and bolts
Piston, piston rod and cross-head
All of these

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Theory of Machine
Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

Meyer's expansion valve
Flywheel
D-slide valve
Governor

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Theory of Machine
Creep in belt drive is due to

Uneven extensions and contractions due to varying tension
Larger size of the driver pulley
Material of the pulley
Material of the belt

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Theory of Machine
Under logarithmic decrement, the amplitude of successive vibrations are

In arithmetic progression
In logarithmic progression
Constant
In geometric progression

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MORE MCQ ON Theory of Machine

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