Machine Design The cross-section of the arm of a bell crank lever is Rectangular Any one of these Elliptical I-section Rectangular Any one of these Elliptical I-section ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Reduce slip Reduce vibration Ensure uniform loading Ensure proper alignment Reduce slip Reduce vibration Ensure uniform loading Ensure proper alignment 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 Enhance the load carrying capacity of the jack Reduce the effort needed for lifting the working load Prevent the rotation of load being lifted Reduce the value of frictional torque Enhance the load carrying capacity of the jack Reduce the effort needed for lifting the working load Prevent the rotation of load being lifted 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 Increasing the length of bar Decreasing the modulus of elasticity of the bar All of these Decreasing the cross-sectional area of the bar Increasing the length of bar Decreasing the modulus of elasticity of the bar All of these Decreasing the cross-sectional area of the bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be 0.98 0.97 0.99 0.96 0.98 0.97 0.99 0.96 ANSWER DOWNLOAD EXAMIANS APP
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