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 (sin 2θ/n)

m.ω².r cosθ

m.ω².r (cos 2θ/n)

m.ω².r sinθ

m.ω².r (sin 2θ/n)

m.ω².r cosθ

m.ω².r (cos 2θ/n)

m.ω².r sinθ

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Theory of Machine
The steering of a ship means

Movement of a complete ship up and down in vertical plane about transverse axis

None of these

Rolling of a complete ship sideways

Turning of a complete ship in a curve towards right or left, while it moves forward

Movement of a complete ship up and down in vertical plane about transverse axis

None of these

Rolling of a complete ship sideways

Turning of a complete ship in a curve towards right or left, while it moves forward

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Theory of Machine
When the two elements of a pair have __________ when in motion, it is said to a lower pair.

None of these

Body contact

Line or point contact

Surface contact

None of these

Body contact

Line or point contact

Surface contact

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Theory of Machine
When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions.

None of these

Same

Opposite

Perpendicular

None of these

Same

Opposite

Perpendicular

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Theory of Machine
For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

Minimum and maximum

Zero and maximum

Zero and minimum

Maximum and zero

Minimum and maximum

Zero and maximum

Zero and minimum

Maximum and zero

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Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as

Base circle

Pitch circle

Prime circle

Outer circle

Base circle

Pitch circle

Prime circle

Outer circle

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Theory of Machine

Theory of Machine The steering of a ship means

Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair.

Theory of Machine When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions.

Theory of Machine For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

Theory of Machine A circle passing through the pitch point with its center at the center of cam axis is known as

Theory of Machine
The steering of a ship means

Theory of Machine
When the two elements of a pair have __________ when in motion, it is said to a lower pair.

Theory of Machine
When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions.

Theory of Machine
For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as