Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially upwards or downwards Axially upwards Axially downwards None of these Axially upwards or downwards Axially upwards Axially downwards None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) d 0.5 d 0.75 d 1.25 d d 0.5 d 0.75 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
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 Remain unaffected with cross-section area Would depend upon other factors Increasing the cross-section area of bar Decreasing the cross-section area of bar Remain unaffected with cross-section area Would depend upon other factors Increasing the cross-section area of bar Decreasing the cross-section area of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct, for two shafts connected in parallel? Angle of twist of each shaft is the same Torsional stiffness of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same Angle of twist of each shaft is the same Torsional stiffness of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Taper usually provided on cotter is 1 in 10 1 in 40 1 in 24 1 in 5 1 in 10 1 in 40 1 in 24 1 in 5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
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