Frictional force encountered after commencement of motion is called ________?

For starting an axial flow pump, its delivery valve should be________?

Combustion in compression ignition engines is________?

Fire tube boilers are limited to a maximum design working pressure of ________?

If a part is constrained to move and heated, it will develop ________?

An engine has a normal speed of 960 r.p.m. and no load speed of 1000 r.p.m. The speed droop of governor will be about________?