Q501
Open questionTangential acceleration direction is
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Q502
Open questionThe essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where and = Distance of two masses from the centre of gravity of the body and kG = Radius of gyration of the body)
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Q503
Open questionThe natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body and = Static deflection of the body)
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Q504
Open questionThe pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.
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Q505
Open questionWhen two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration.
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Q506
Open questionThe Ackermann steering mechanism is preferred to the Davis type in automobiles because
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Q507
Open questionWhen the axes of the first and last wheels are coaxial, then the train is known as
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Q508
Open questionA completely constrained motion can be transmitted with.
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Q509
Open questionThe power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension.
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Q510
Open questionWhich of the following is a spring controlled governor?
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Q511
Open questionIt is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by
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Q512
Open questionA shaft carrying two rotors at its ends will have
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Q513
Open questionIn under damped vibrating system, the amplitude of vibration
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Q514
Open questionKinematic pairs are those which have two elements that
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Q515
Open questionIn a turning moment diagram, the variations of energy above and below the mean resisting torque line is called
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Q516
Open questionWhen a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to
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Q517
Open questionA simple spring-mass vibrating system has a natural frequency of If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
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Q518
Open questionWhich of the following is a pendulum type governor?
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Q519
Open questionThe secondary unbalanced force is __________ the primary unbalanced force.
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Q520
Open questionThe transmissibility, for all values of damping factor, will be less than unity, if is
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