Machine Design
The ball bearings are provided with a cage

To maintain the balls at a fixed distance apart
To facilitate slipping of balls
To reduce friction
To prevent the lubricant from flowing out

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In cross or regular lay ropes

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
Wires in two adjacent strands are twisted in opposite direction

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

Have contact at the bottom most of the bearing
Move towards right of the bearing making no metal to metal contact
Move towards right of the bearing making metal to metal contact
Move towards left of the bearing making metal to metal contact

ANSWER DOWNLOAD EXAMIANS APP