The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank)

Theory of Machine
The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank)

m.ω².r (sin 2θ/n)

m.ω².r (cos 2θ/n)

m.ω².r sinθ

m.ω².r cosθ

m.ω².r (sin 2θ/n)

m.ω².r (cos 2θ/n)

m.ω².r sinθ

m.ω².r cosθ

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Theory of Machine
The direction of linear velocity of any point on a link with respect to another point on the same link is

None of the listed here

At 45° to the link joining the points

Perpendicular to the link joining the points

Parallel to the link joining the points

None of the listed here

At 45° to the link joining the points

Perpendicular to the link joining the points

Parallel to the link joining the points

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Theory of Machine
When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be

ω² r {n/(n + 1)}

ω² r {(n + 1)/n}

ω² r {(n - 1)/n}

ω² r {n/(n - 1)}

ω² r {n/(n + 1)}

ω² r {(n + 1)/n}

ω² r {(n - 1)/n}

ω² r {n/(n - 1)}

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Theory of Machine
For a kinematic chain to be considered as mechanism

One link should be fixed

Two links should be fixed

There is no such criterion

None of the links should be fixed

One link should be fixed

Two links should be fixed

There is no such criterion

None of the links should be fixed

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Theory of Machine
Pitch point on a cam is

Any point on pitch curve

The point on cam pitch curve having the minimum pressure angle

Any point on pitch circle

The point on cam pitch curve having the maximum pressure angle

Any point on pitch curve

The point on cam pitch curve having the minimum pressure angle

Any point on pitch circle

The point on cam pitch curve having the maximum pressure angle

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Theory of Machine
The gear train usually employed in clocks is a

Simple gear train

Sun and planet gear

Reverted gear train

Differential gear

Simple gear train

Sun and planet gear

Reverted gear train

Differential gear

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Theory of Machine

Theory of Machine The direction of linear velocity of any point on a link with respect to another point on the same link is

Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be

Theory of Machine For a kinematic chain to be considered as mechanism

Theory of Machine Pitch point on a cam is

Theory of Machine The gear train usually employed in clocks is a

Theory of Machine
The direction of linear velocity of any point on a link with respect to another point on the same link is

Theory of Machine
When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be

Theory of Machine
For a kinematic chain to be considered as mechanism

Theory of Machine
Pitch point on a cam is

Theory of Machine
The gear train usually employed in clocks is a