Machine Design
For circumferential joint in boilers, the type of joint used is

Butt joint with double cover plate
Any one of the above
Butt joint with single cover plate
Lap joint with one ring overlapping the other

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that

The tensile stresses are uniformly distributed over the section of the walls
All of these
The effect of curvature of the cylinder wall is neglected
The effect of the restraining action of the heads at the end of the pressure vessel is neglected

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Cold working

Decreases the fatigue strength
Increases the fatigue strength
Has no influence on fatigue strength
Alone has no influence on fatigue strength

ANSWER DOWNLOAD EXAMIANS APP