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Theory of Machine

Theory of Machine
Peaucellier’s mechanism has

Twelve links
Six links
Eight links
Four links

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Theory of Machine
The motion between a pair which takes place in ____ is known as incompletely constrained motion.

More than one direction
None of the listed here
Two directions only
One direction only

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Theory of Machine
A rigid body possesses ________degrees of freedom

One
Four
Six
Two

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Theory of Machine
In a shaper mechanism, the Coriolis component of acceleration will

Depend on position of crank
None of these
Exist
Not exist

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Theory of Machine
A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is

12,000 r.p.m.
6,000 r.p.m.
5,367 r.p.m.
9,360 r.p.m.

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Theory of Machine
In a reciprocating steam engine, which of the following forms a kinematic link?

Cylinder and piston
Crankshaft and flywheel
Piston rod and connecting rod
Flywheel and engine frame

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