Machine Design
When the screw in a mechanical screw jack rotates, the load kept on the top of it moves

None of these
Axially upwards or downwards
Axially upwards
Axially downwards

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In composite or reverse laid ropes

Wires in two adjacent strands are twisted in opposite direction
Direction of twist of wires in strands is opposite to the direction of twist of strands
Wires are not twisted
Direction of twist of wires and strands are same

ANSWER DOWNLOAD EXAMIANS APP