Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area ANSWER DOWNLOAD EXAMIANS APP
Machine Design Three different weights fall from a certain height under vacuum. They will take Times inversely proportional to weight to reach earth None of these Times proportional to weight to reach earth Same time to reach earth Times inversely proportional to weight to reach earth None of these Times proportional to weight to reach earth Same time to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Its ability to absorb shocks Its capability of storing energy Load required to produce unit deflection Ratio of coil diameter to wire diameter Its ability to absorb shocks Its capability of storing energy Load required to produce unit deflection Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
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 Decreasing the modulus of elasticity of the bar Decreasing the cross-sectional area of the bar All of these Increasing the length of bar Decreasing the modulus of elasticity of the bar Decreasing the cross-sectional area of the bar All of these Increasing the length of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design For circumferential joint in boilers, the type of joint used is Lap joint with one ring overlapping the other Any one of the above Butt joint with double cover plate Butt joint with single cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with double cover plate Butt joint with single cover plate ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the value of frictional torque Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Reduce the value of frictional torque Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack ANSWER DOWNLOAD EXAMIANS APP
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