Q. Which of the following is an example of sliding pair?

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Q. The coriolis component of acceleration exists whenever apoint moves along a path that has

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Q. In a steam engine, the distance by which the inner edge of the D-slide valve overlaps the steam port is called lead.

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Q. A shaft of mass (mc)and stiffness (s) is fixed at one end and carries a mass (m) at the other end. The natural frequency of its transverse vibration is same as for longitudinal vibration.

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Q. A spring controlled governor is said to be unstable when the controlling force

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Q. The equivalent length of a simple pendulum depends upon the distance between the point of suspension and the centre of gravity.

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Q. Balancing of rotating and reciprocating parts of an engine is necessary when it runs at

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Q. When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a

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Q. In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

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Q. The axis of precession is __________ to the plane in which the axis of spin is going to rotate.

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Q. Bifilar suspension method is used to find the

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Q. The equation of motion for a vibrating system with viscous damping is If the roots of this equation are real, then the system will be

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Q. The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as

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Q. The motion of a shaft in a circular hole is an example of

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Q. The brake commonly used in railway trains is

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Q. The face of the tooth is the

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Q. A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

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Q. The acceleration of the particle moving with simple harmonic motion is __________ at the mean position.

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Q. The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

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Q. The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

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