The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank)

Theory of Machine
The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank)

ω²r [sin θ + (sin 2θ/n)]

ω²r [cos θ + (cos 2θ/n)]

ωr [cos θ + (cos 2θ/n)]

ωr [sin θ + (sin 2θ/n)]

ω²r [sin θ + (sin 2θ/n)]

ω²r [cos θ + (cos 2θ/n)]

ωr [cos θ + (cos 2θ/n)]

ωr [sin θ + (sin 2θ/n)]

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Theory of Machine
A shaft carrying two rotors at its ends will have

One node

No node

Three nodes

Two nodes

One node

No node

Three nodes

Two nodes

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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 P with respect to the crank-pin C is given by

ω² × NO

ω² × CN

ω² × CO

ω² × QN

ω² × NO

ω² × CN

ω² × CO

ω² × QN

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Theory of Machine
The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is

Oldham's coupling

Chain coupling

Flexible coupling

Universal coupling

Oldham's coupling

Chain coupling

Flexible coupling

Universal coupling

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Theory of Machine
The example of rolling pair is

Lead screw of a lathe

Ball and socket joint

Ball bearing and roller bearing

Bolt and nut

Lead screw of a lathe

Ball and socket joint

Ball bearing and roller bearing

Bolt and nut

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Theory of Machine
The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear.

More

Same

None of these

Less

More

Same

None of these

Less

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Theory of Machine

Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank)

Theory of Machine A shaft carrying two rotors at its ends will have

Theory of Machine The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is

Theory of Machine The example of rolling pair is

Theory of Machine The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear.

Theory of Machine
The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank)

Theory of Machine
A shaft carrying two rotors at its ends will have

Theory of Machine
The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is

Theory of Machine
The example of rolling pair is

Theory of Machine
The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear.