Machine Design The power transmitted by the belt drive can be increased by All of these Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley Increasing the initial tension in the belt All of these Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley Increasing the initial tension in the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 8W/9 2W/3 W/9 W/2 8W/9 2W/3 W/9 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a partial journal bearing, the angle of contact of the bearing with the journal is 270° 360° 120° 180° 270° 360° 120° 180° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The V-belts are particularly suitable for __________ drives. None of these Long Both A and B Short None of these Long Both A and B Short ANSWER DOWNLOAD EXAMIANS APP
Machine Design A column is known as a long column if the slenderness ratio is 40 50 100 70 40 50 100 70 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum shear stress theory Maximum strain energy theory Maximum distortion energy theory Maximum principal stress theory Maximum shear stress theory Maximum strain energy theory Maximum distortion energy theory Maximum principal stress theory ANSWER DOWNLOAD EXAMIANS APP
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