Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Reducing Increasing Both A and B None of these Reducing Increasing Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are provided with a cage To maintain the balls at a fixed distance apart To reduce friction To facilitate slipping of balls To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart To reduce friction To facilitate slipping of balls To prevent the lubricant from flowing out ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 3.5 d 2d + 13 mm 2d + 20 mm d + 17 mm 3.5 d 2d + 13 mm 2d + 20 mm d + 17 mm 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 Which of the following screw thread is adopted for power transmission in either direction? Acme threads Square threads Multiple threads Buttress threads Acme threads Square threads Multiple threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is about yield point divided by safety factor Is just sufficient to hold parts together Approaches yield point Is 50% of yield point Is about yield point divided by safety factor Is just sufficient to hold parts together Approaches yield point Is 50% of yield point ANSWER DOWNLOAD EXAMIANS APP
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