Calculate the frictional power of an engine if the indicated power is 10 watts and the brake power is 5 watts.

The allowance provided on patterns which are used for castings in which contraction is not uniform is known as _________.

If we have to choose a grinding wheel having the least hardness, which grade of grinding wheel should be chosen?

Calculate the torque for a solid shaft having a radius of 10 millimeters and torsional shear stress of 112 newtons per square millimeter.

_____________ is the operation of enlarging a previously drilled hole.

Two springs having stiffness 5 and 10 respectively are connected in series. Calculate the combined stiffness of the two springs.

The property by which a body returns to its original shape after removal of the force, is called

In the cantilever truss as shown in below figure, the horizontal component of the reaction at A, is

In the lever of third order, load W, effort P and fulcrum F are oriented as follows

A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the deflection of the coil is

The property of a material by which it can be beaten or rolled into thin plates, is called