Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus. 10 times 15 times 20 times 5 times 10 times 15 times 20 times 5 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cross or regular lay ropes Direction of twist of wires in strands is opposite to the direction of twist of strands Wires are not twisted Direction of twist of wires and strands are same Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires in strands is opposite to the direction of twist of strands Wires are not twisted Direction of twist of wires and strands are same Wires in two adjacent strands are twisted in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 1300 to 1500°C 1100 to 1300°C 700 to 900°C 500 to 600°C 1300 to 1500°C 1100 to 1300°C 700 to 900°C 500 to 600°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be 3 times more 4 times more Same in both cases 2 times more 3 times more 4 times more Same in both cases 2 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a steam engine, the valve rod is connected to an eccentric rod by means of Knuckle joint Cotter joint Flange coupling Universal joint Knuckle joint Cotter joint Flange coupling Universal joint ANSWER DOWNLOAD EXAMIANS APP
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