Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. None of these Reducing Increasing Both A and B None of these Reducing Increasing Both A and B 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 In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear. Left hand Right hand None of these Both A and B Left hand Right hand None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a belt drive is transmitting maximum power, Effective tension is half of centrifugal tension Driving tension on tight side is twice the centrifugal tension Driving tension on slack side is equal to centrifugal tension Effective tension is equal to centrifugal tension Effective tension is half of centrifugal tension Driving tension on tight side is twice the centrifugal tension Driving tension on slack side is equal to centrifugal tension Effective tension is equal to centrifugal tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted decreases Power transmitted increases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases Power transmitted decreases Power transmitted increases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because New and old belts will cause vibrations Belts are available in sets Only one belt cannot be fitted with other used belts The new belt will carry more than its share and result in short life New and old belts will cause vibrations Belts are available in sets Only one belt cannot be fitted with other used belts The new belt will carry more than its share and result in short life ANSWER DOWNLOAD EXAMIANS APP
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