Machine Design Form coefficient of spring is Ratio of coil diameter to wire diameter Its capability of storing energy Concerned with strength of wire of spring Load required to produce unit deflection Ratio of coil diameter to wire diameter Its capability of storing energy Concerned with strength of wire of spring Load required to produce unit deflection ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 420 to 450 300 to 320 More than 400 340 to 360 420 to 450 300 to 320 More than 400 340 to 360 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Is independent of external loads Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads Becomes zero when external load is removed Acts when external load is applied Is always harmful ANSWER DOWNLOAD EXAMIANS APP
Machine Design The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth. Increases Remain same None of these Decreases Increases Remain same None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for Increasing velocity ratio For applying tension All of these Changing the direction of motion of belt Increasing velocity ratio For applying tension All of these Changing the direction of motion of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 24 kN/m 6 kN/m 30 kN/m 12 kN/m 24 kN/m 6 kN/m 30 kN/m 12 kN/m ANSWER DOWNLOAD EXAMIANS APP