Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 15 N-m 7 N-m 10 N-m 5 N-m 15 N-m 7 N-m 10 N-m 5 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, 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 It is worked below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key way lowers The rigidity of the shaft Both the strength and rigidity of the shaft The ductility of the shaft The strength of the shaft The rigidity of the shaft Both the strength and rigidity of the shaft The ductility of the shaft The strength of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material. Greater Medium None of these Smaller Greater Medium None of these Smaller ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be 8 2 16 4 8 2 16 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The following type of nut is used with alien bolt Castle nut Any one of the above Slotted nut Hexagonal nut Castle nut Any one of the above Slotted nut Hexagonal nut ANSWER DOWNLOAD EXAMIANS APP