Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). Buttress Metric Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially upwards None of these Axially downwards Axially upwards or downwards Axially upwards None of these Axially downwards Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 340 to 360 More than 400 300 to 320 420 to 450 340 to 360 More than 400 300 to 320 420 to 450 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum distortion energy theory Maximum strain energy theory Maximum shear stress theory Maximum principal stress theory Maximum distortion energy theory Maximum strain energy theory Maximum shear stress theory Maximum principal stress theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increase the wrap angle Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the bolts are subjected to Tensile stress Compressive stress None of these Shear stress Tensile stress Compressive stress None of these Shear stress ANSWER DOWNLOAD EXAMIANS APP
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