Machine Design A screw is said to be over hauling screw, if the Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by belt drive depends upon Initial belt tension All of these Belt velocity Arc of contact Initial belt tension All of these Belt velocity Arc of contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as Mitre gears Angular bevel gears Crown bevel gears Internal bevel gears Mitre gears Angular bevel gears Crown bevel gears Internal bevel gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to 1.25 d 1.5 d 1 d 1.75 d 1.25 d 1.5 d 1 d 1.75 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resilience of a bolt may be increased by Increasing its shank diameter Decreasing its shank diameter Decreasing its length Increasing its length Increasing its shank diameter Decreasing its shank diameter Decreasing its length Increasing its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Reduce the value of frictional torque Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Reduce the value of frictional torque Enhance the load carrying capacity of the jack ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS