Machine Design Screws used for power transmission should have Strong teeth Very fine threads Low efficiency High efficiency Strong teeth Very fine threads Low efficiency High efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design The anti-friction bearings All of these Have low starting and low running friction at moderate speeds Can carry both radial and thrust loads Have high initial cost All of these Have low starting and low running friction at moderate speeds Can carry both radial and thrust loads Have high initial cost ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct, for two shafts connected in parallel? Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to Bending stresses All of these Combined bending and shear stresses Shear stresses Bending stresses All of these Combined bending and shear stresses Shear stresses ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads. Double Four times Three times Same Double Four times Three times Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Depend on other considerations Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) ANSWER DOWNLOAD EXAMIANS APP