Machine Design For tight leakage joints, following type of thread is best suited Metric Square Buttress NPT (national pipe threads). Metric Square Buttress NPT (national pipe threads). ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing. Partially None of these Either A or B Fully Partially None of these Either A or B Fully ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The power transmitted will increase The coefficient of friction between the belt and pulley increases The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The power transmitted will increase The coefficient of friction between the belt and pulley increases The power transmitted will decrease The coefficient of friction between the belt and pulley decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material. None of these Medium Greater Smaller None of these Medium Greater Smaller ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress at a point in a shaft subjected to a torque is Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Inversely proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and the polar moment of inertia Directly proportional to the polar moment of inertia and to the distance of the point from the axis Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Inversely proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and the polar moment of inertia Directly proportional to the polar moment of inertia and to the distance of the point from the axis ANSWER DOWNLOAD EXAMIANS APP
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