In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other.

Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other.

Zero

Any +ve value

Any -ve value

Infinity

Zero

Any +ve value

Any -ve value

Infinity

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Theory of Machine
A chain comprises of 5 links having 5 joints. Is it kinematic chain?

Yes

It is a marginal case

Data are insufficient to determine it

No

Yes

It is a marginal case

Data are insufficient to determine it

No

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Theory of Machine
The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft)

ω (r₁ + r₂) cosθ cosec2θ

ω (r₁ r₂) sinθ

ω (r₁ r₂) cosθ

ω (r₁ + r₂) sinθ sec2θ

ω (r₁ + r₂) cosθ cosec2θ

ω (r₁ r₂) sinθ

ω (r₁ r₂) cosθ

ω (r₁ + r₂) sinθ sec2θ

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Theory of Machine
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

Same as the first one

One and a half times the first one

One fourth of the first one

Four times the first one

Same as the first one

One and a half times the first one

One fourth of the first one

Four times the first one

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Theory of Machine
The frequency of oscillation of a torsional pendulum is

2πr/k. √(g/l)

r/2πk. √(g/l)

r/2πk. √(l/g)

2πk/r. √(g/l)

2πr/k. √(g/l)

r/2πk. √(g/l)

r/2πk. √(l/g)

2πk/r. √(g/l)

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Theory of Machine
In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

Exhaust lap

Lead

None of these

Steam lap

Exhaust lap

Lead

None of these

Steam lap

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Theory of Machine

Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain?

Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft)

Theory of Machine If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

Theory of Machine The frequency of oscillation of a torsional pendulum is

Theory of Machine In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

Theory of Machine
A chain comprises of 5 links having 5 joints. Is it kinematic chain?

Theory of Machine
The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft)

Theory of Machine
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

Theory of Machine
The frequency of oscillation of a torsional pendulum is

Theory of Machine
In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called