The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then M is equal to

 
For longitudinal joint in boilers, the type of joint used is

.The ratio of number of teeth to the pitch circle diameter in millimetres is called circular pitch.

.The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.

The material generally used for air-craft components is

In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing

The working of metals above the recrystallisation temperature is known as hot working.