Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 90° 22.5° 67.5° 45° 90° 22.5° 67.5° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In composite or reverse laid ropes Wires are not twisted Direction of twist of wires in strands is opposite to the direction of twist of strands Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires and strands are same Wires are not twisted Direction of twist of wires in strands is opposite to the direction of twist of strands Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires and strands are same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The yield point in static loading is __________ as compared to fatigue loading. Lower Same Higher None of these Lower Same Higher None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially downwards None of these Axially upwards Axially upwards or downwards Axially downwards None of these Axially upwards Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to withstand resistance to wear, the best profile of gear is 20° full depth involute tooth 14½° full depth involute tooth 20° involute stub tooth 14½° stub tooth 20° full depth involute tooth 14½° full depth involute tooth 20° involute stub tooth 14½° stub tooth 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 d 1.75 d 1.5 d 1.25 d 1 d 1.75 d 1.5 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP