Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by Increasing the length of bar Decreasing the cross-sectional area of the bar All of these Decreasing the modulus of elasticity of the bar Increasing the length of bar Decreasing the cross-sectional area of the bar All of these Decreasing the modulus of elasticity of the bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes Offer silent operation All of these Are lighter in weight Can withstand shock loads Offer silent operation All of these Are lighter in weight Can withstand shock loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic shaft is one Whose upper deviation is zero Does not exist Whose lower as well as upper deviations are zero Whose lower deviation is zero Whose upper deviation is zero Does not exist Whose lower as well as upper deviations are zero Whose lower deviation is zero ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 12.5 m/s 10 m/s 20 m/s 15 m/s 12.5 m/s 10 m/s 20 m/s 15 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design A saddle key __________ power through frictional resistance only. Either A or B None of these Does not transmit Transmits Either A or B None of these Does not transmit Transmits ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Metal strength by cycling Metal resistance to corrosion by coating Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal strength by cycling Metal resistance to corrosion by coating Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment ANSWER DOWNLOAD EXAMIANS APP
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