The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

Theory of Machine
The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

m.ω².r (cosθ - sinθ)

(1 - c).m.ω².r (cosθ - sinθ)

m.ω².r sinθ

m.ω².r cosθ

m.ω².r (cosθ - sinθ)

(1 - c).m.ω².r (cosθ - sinθ)

m.ω².r sinθ

m.ω².r cosθ

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Theory of Machine
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

To dip the nose and tail

To dip the nose and raise the tail

To raise the nose and dip the tail

To raise the nose and tail

To dip the nose and tail

To dip the nose and raise the tail

To raise the nose and dip the tail

To raise the nose and tail

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Theory of Machine
The example of completely constrained motion is a

Motion of a square bar in a square hole

Motion of a piston in the cylinder of a steam engine

All of these

Motion of a shaft with collars at each end in a circular hole

Motion of a square bar in a square hole

Motion of a piston in the cylinder of a steam engine

All of these

Motion of a shaft with collars at each end in a circular hole

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Theory of Machine
A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

8 fn

fn/2

4 fn

2 fn

8 fn

fn/2

4 fn

2 fn

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Theory of Machine
In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever)

(r₁ + r₂) (y/x)

(r₁ - r₂) (x/y)

(r₁ + r₂) (x/y)

(r₁ - r₂) (y/x)

(r₁ + r₂) (y/x)

(r₁ - r₂) (x/y)

(r₁ + r₂) (x/y)

(r₁ - r₂) (y/x)

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Theory of Machine
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that

Governor A is more sensitive than governor B

None of these

Governor B is more sensitive than governor A

Both governors A and B are equally sensitive

Governor A is more sensitive than governor B

None of these

Governor B is more sensitive than governor A

Both governors A and B are equally sensitive

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Theory of Machine

Theory of Machine The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

Theory of Machine The example of completely constrained motion is a

Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever)

Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that

Theory of Machine
The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

Theory of Machine
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

Theory of Machine
The example of completely constrained motion is a

Theory of Machine
A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

Theory of Machine
In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever)

Theory of Machine
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that