The primary 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 primary 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 (cos 2θ/n)

m.ω².r cosθ

m.ω².r sinθ

m.ω².r (sin 2θ/n)

m.ω².r (cos 2θ/n)

m.ω².r cosθ

m.ω².r sinθ

m.ω².r (sin 2θ/n)

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Theory of Machine
A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be

data are insufficient

80 RPM

90 RPM

100 RPM

data are insufficient

80 RPM

90 RPM

100 RPM

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Theory of Machine
If the opposite links of a four bar linkage are equal, the links will always form a

Rectangle

Pentagon

Triangle

Parallelogram

Rectangle

Pentagon

Triangle

Parallelogram

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Theory of Machine
The sense of Coriolis component is such that it

Leads the sliding velocity vector by 180°

Lags the sliding velocity vector by 90°

Leads the sliding velocity vector by 90°

Is along the sliding velocity vector

Leads the sliding velocity vector by 180°

Lags the sliding velocity vector by 90°

Leads the sliding velocity vector by 90°

Is along the sliding velocity vector

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Theory of Machine
A point on a link connecting double slider crank chain traces a

Parabola

Hyperbola

Ellipse

Circle

Parabola

Hyperbola

Ellipse

Circle

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Theory of Machine
Which of the following statements regarding laws governing the friction between dry surfaces are correct?

The friction force is dependent on the materials of the contact surfaces.

All of these

The friction force is independent of me area of contact.

The friction force is directly proportional to the normal force.

The friction force is dependent on the materials of the contact surfaces.

All of these

The friction force is independent of me area of contact.

The friction force is directly proportional to the normal force.

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Theory of Machine

Theory of Machine A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be

Theory of Machine If the opposite links of a four bar linkage are equal, the links will always form a

Theory of Machine The sense of Coriolis component is such that it

Theory of Machine A point on a link connecting double slider crank chain traces a

Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct?

Theory of Machine
A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be

Theory of Machine
If the opposite links of a four bar linkage are equal, the links will always form a

Theory of Machine
The sense of Coriolis component is such that it

Theory of Machine
A point on a link connecting double slider crank chain traces a

Theory of Machine
Which of the following statements regarding laws governing the friction between dry surfaces are correct?