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 In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to Decrease the key length Increase the key width Increase the key length Increase the key depth Decrease the key length Increase the key width Increase the key length Increase the key depth ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound belt drive is used when None of these Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions None of these Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Increase with increase in y Decrease with decrease in y Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) Increase with increase in y Decrease with decrease in y Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 16F/ 3πd² 6F/ πd² 8F/ πd² 4F/ πd² 16F/ 3πd² 6F/ πd² 8F/ πd² 4F/ πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is Bending stress Shear stress Tensile stress Compressive stress Bending stress Shear stress Tensile stress Compressive stress ANSWER DOWNLOAD EXAMIANS APP
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