Machine Design The helix angle for double helical gears may be made up to 45° 75° 90° 60° 45° 75° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Muff coupling Compression coupling All of these Flange coupling Muff coupling Compression coupling All of these Flange coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow saddle key is A taper key which fits in a key way of the hub and is flat on the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits in a key way of the hub and is flat on the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for crane hooks is Aluminium Wrought iron Cast iron Mild steel Aluminium Wrought iron Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) 3 Pc 2 Pc Pc/3 1 Pc 3 Pc 2 Pc Pc/3 1 Pc 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
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