Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Greater than 30d Between 20d and 30d Less than 20d Equal to inside diameter of pipe Greater than 30d Between 20d and 30d Less than 20d Equal to inside diameter of pipe ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is not correct procedure to increase the fatigue limit? Shot peening Surface decarburisation Under stressing Cold working Shot peening Surface decarburisation Under stressing Cold working ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To increase efficiency of system To obtain variable speeds To produce torque For speed reduction To increase efficiency of system To obtain variable speeds To produce torque For speed reduction 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 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cross or regular lay ropes Direction of twist of wires and strands are same Wires are not twisted Direction of twist of wires in strands is opposite to the direction of twist of strands Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires and strands are same Wires are not twisted Direction of twist of wires in strands is opposite to the direction of twist of strands Wires in two adjacent strands are twisted in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Machine Design The wire ropes make contact at Bottom of groove of the pulley Sides of groove of the pulley Sides and bottom of groove of the pulley Anywhere in the groove of the pulley Bottom of groove of the pulley Sides of groove of the pulley Sides and bottom of groove of the pulley Anywhere in the groove of the pulley ANSWER DOWNLOAD EXAMIANS APP
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