Machine Design
Crowning on pulley helps

To keep the belt in centre on a pulley while it is in motion
In decreasing the slip of the belt
To increase pulley life
In increasing the slip of the belt

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Tapered roller bearings can take

Both radial and axial loads and the ratio of these being less than unity
Axial load only
Both radial and axial loads and the ratio of these being greater than unity
Radial load only

ANSWER DOWNLOAD EXAMIANS APP