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

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 × QN

ω² × CN

ω² × CO

ω² × NO

ω² × QN

ω² × CN

ω² × CO

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Theory of Machine
At the nodal point in a shaft, the amplitude for torsional vibration will be

Minimum

Infinity

Zero

Maximum

Minimum

Infinity

Zero

Maximum

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Theory of Machine
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

vBA × AB

v²BA /AB

vBA /AB

v²BA

vBA × AB

v²BA /AB

vBA /AB

v²BA

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Theory of Machine
The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

(2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3). μ W (r₁ + r₂)

(1/2). μ W (r₁ + r₂)

(2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3). μ W (r₁ + r₂)

(1/2). μ W (r₁ + r₂)

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Theory of Machine
A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of

2.22 mm

2.50 mm

3.0 mm

2 mm

2.22 mm

2.50 mm

3.0 mm

2 mm

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Theory of Machine
In a reciprocating engine, usually __________ of the reciprocating masses are balanced.

One-half

Two-third

Whole

Three-fourth

One-half

Two-third

Whole

Three-fourth

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Theory of Machine

Theory of Machine At the nodal point in a shaft, the amplitude for torsional vibration will be

Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced.

Theory of Machine
At the nodal point in a shaft, the amplitude for torsional vibration will be

Theory of Machine
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

Theory of Machine
The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

Theory of Machine
In a reciprocating engine, usually __________ of the reciprocating masses are balanced.