Machine Design When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be F/bh 2F/bh 4F/bh 3F/2bh F/bh 2F/bh 4F/bh 3F/2bh 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 30 kN/m 24 kN/m 12 kN/m 6 kN/m 30 kN/m 24 kN/m 12 kN/m 6 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used For speed reduction To obtain variable speeds To increase efficiency of system To produce torque For speed reduction To obtain variable speeds To increase efficiency of system To produce torque ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will decrease The power transmitted will increase The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will decrease The power transmitted will increase ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as The ratio of endurance limit without stress concentration to the endurance limit with stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increase the wrap angle Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
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