Which of the following statement is correct as regard to the difference between a machine and a structure?

Theory of Machine
Which of the following statement is correct as regard to the difference between a machine and a structure?

The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only

A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work

All of these

The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another

The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only

A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work

All of these

The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another

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Theory of Machine
Rectilinear motion of piston is converted into rotary by

Gudgeon pin

Cross head

Slider crank

Connecting rod

Gudgeon pin

Cross head

Slider crank

Connecting rod

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Theory of Machine
In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as

Critical damping ratio

Logarithmic decrement

Damping factor

Magnification factor

Critical damping ratio

Logarithmic decrement

Damping factor

Magnification factor

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Theory of Machine
The power of a Porter governor is equal to

[3c²/(1 + 2c)] (m + M) g.h

[2c²/(1 + 2c)] (m + M) g.h

[4c²/(1 + 2c)] (m + M) g.h

[c²/(1 + 2c)] (m + M) g.h

[3c²/(1 + 2c)] (m + M) g.h

[2c²/(1 + 2c)] (m + M) g.h

[4c²/(1 + 2c)] (m + M) g.h

[c²/(1 + 2c)] (m + M) g.h

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Theory of Machine
The magnitude of velocities of the points on a rigid link is

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

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Theory of Machine
The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone)

μ W R cosecα

(3/4) μ W R cosecα

(1/2) μ W R cosecα

(2/3) μ W R cosecα

μ W R cosecα

(3/4) μ W R cosecα

(1/2) μ W R cosecα

(2/3) μ W R cosecα

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Theory of Machine

Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure?

Theory of Machine Rectilinear motion of piston is converted into rotary by

Theory of Machine In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as

Theory of Machine The power of a Porter governor is equal to

Theory of Machine The magnitude of velocities of the points on a rigid link is

Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone)

Theory of Machine
Which of the following statement is correct as regard to the difference between a machine and a structure?

Theory of Machine
Rectilinear motion of piston is converted into rotary by

Theory of Machine
In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as

Theory of Machine
The power of a Porter governor is equal to

Theory of Machine
The magnitude of velocities of the points on a rigid link is

Theory of Machine
The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone)