Machine Design The material used for brake lining should have __________ coefficient of friction. High None of these Low Moderate High None of these Low Moderate 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 downwards Axially upwards or downwards None of these Axially upwards Axially downwards Axially upwards or downwards None of these Axially upwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of the unriveted plate (P) per pitch length is equal to (p - d) t.σt (p - d) σt p.t.σt p.d.σt (p - d) t.σt (p - d) σt p.t.σt p.d.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of first type, the mechanical advantage is ________ one. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of endurance limit in shear to the endurance limit in flexure is 0.4 0.33 0.5 0.55 0.4 0.33 0.5 0.55 ANSWER DOWNLOAD EXAMIANS APP