Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). Metric Buttress Square 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 shear stress theory Maximum distortion energy theory Maximum principal stress theory Maximum strain energy theory Maximum shear stress theory Maximum distortion energy theory Maximum principal stress theory Maximum strain energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design For maximum power, the velocity of the belt will be √(T/m) √(T/2m) None of these √(T/3m) √(T/m) √(T/2m) None of these √(T/3m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a Long bearing Square bearing Medium bearing Short bearing Long bearing Square bearing Medium bearing Short bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.d.σt (p - d) t.σt p.t.σt p.d.σt (p - d) t.σt p.t.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cross or regular lay ropes Wires are not twisted Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires and strands are same Direction of twist of wires in strands is opposite to the direction of twist of strands Wires are not twisted Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires and strands are same Direction of twist of wires in strands is opposite to the direction of twist of strands ANSWER DOWNLOAD EXAMIANS APP
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