Mechanical Engineering :: Theory of Machine
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The dedendum circle diameter is equal to (where φ = Pressure angle)
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The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as
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The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to
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A point on a connecting link (excluding end points) of a double slider crank mechanism traces a
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The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.
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Which of the following governor is used to drive a gramophone?
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In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to
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A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the
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Which of the following statement is wrong?
A.
The difference between the maximum and minimum energies is called maximum fluctuation of energy
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B.
The coefficient of fluctuation of speed is the ratio of maximum fluctuation of speed to the mean speed
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C.
The variations of energy above and below the mean resisting torque line is known as fluctuation of energy
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D.
none of the above
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