Machine Design
In worm, gears, pitch lead angle is

The angle between the tangent to the pitch helix and the plane of rotation
The angle between the tangent to the pitch helix and an element of the cylinder
None of these
Half the angle between two inclined faces in axial plane

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
Direction of twist of wires and strands are same
Wires are not twisted

ANSWER DOWNLOAD EXAMIANS APP