Machine Design When a metal or alloy is cold worked, It is worked below recrystallization temperature None of these Both (A) and (B) Its hardness and strength increases It is worked below recrystallization temperature None of these Both (A) and (B) Its hardness and strength increases 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
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Lower None of these Same Higher Lower None of these Same Higher ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open belt drive is used when Shafts are arranged parallel and rotate in the same directions Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged at right angles and rotate in one definite direction Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the same directions Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged at right angles and rotate in one definite direction Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is wrong for a connecting rod? If Ixx < 4 Iyy, the buckling will occur about X-axis If Ixx > 4 Iyy, the buckling will occur about Y-axis The most suitable section for the connecting rod is T-section The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy If Ixx < 4 Iyy, the buckling will occur about X-axis If Ixx > 4 Iyy, the buckling will occur about Y-axis The most suitable section for the connecting rod is T-section The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy ANSWER DOWNLOAD EXAMIANS APP
Machine Design A chain drive transmits __________ power as compared to belt drive. Less More Same None of these Less More Same None of these ANSWER DOWNLOAD EXAMIANS APP