Q181
Open questionIn a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as
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Q182
Open questionThe sense of Coriolis component is same as that of the relative velocity vector rotated at
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Q183
Open questionThe pressure angle of a cam is the angle between the direction of the follower motion and a normal to the
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Q184
Open questionIn a ball bearing, ball and bearing forms a
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Q185
Open questionAngular acceleration of a link can be determined by dividing the
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Q186
Open questionWhitworth quick return mechanism is obtained by inversion of
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Q187
Open questionThe retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose)
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Q188
Open questionThe fundamental equation for correct steering is (where and = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles and d = Wheel base)
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Q189
Open questionIn a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is
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Q190
Open questionThe coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.
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Q191
Open questionWhen the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.
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Q192
Open questionThe working depth of a gear is the radial distance from the
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Q193
Open questionThe natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where = Static deflection of simply supported shaft due to uniformly distributed load)
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Q194
Open questionModule of a gear is
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Q195
Open questionThe dynamic friction is the friction experienced by a body, when the body
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Q196
Open questionThe swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to
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Q197
Open questionThe 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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Q198
Open questionMinimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is
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Q199
Open questionIn railway axle boxes, the bearing used is
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Q200
Open questionIn a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to
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