Machine Design When a metal or alloy is cold worked, Its hardness and strength increases None of these It is worked below recrystallization temperature Both (A) and (B) Its hardness and strength increases None of these It is worked below recrystallization temperature Both (A) and (B) 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 t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design In V-belt drive, belt touches At bottom At sides only Both at bottom and sides Could touch anywhere At bottom At sides only Both at bottom and sides Could touch anywhere ANSWER DOWNLOAD EXAMIANS APP
Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. Equal to 1 Less than unity Greater than unity None of these Equal to 1 Less than unity Greater than unity None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the Middle Shank Head Thread Middle Shank Head Thread 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) 1 Pc Pc/3 3 Pc 2 Pc 1 Pc Pc/3 3 Pc 2 Pc ANSWER DOWNLOAD EXAMIANS APP
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