What is the value of universal gas constant in SI units?

A process in which gas is heated such that the product of its pressure and volume remains constant is known as

Which type of welding is obtained if there is an excess of acetylene?

In a simple harmonic motion, number of cycles produced per second is known as:

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 _________.

Which of the following is not a scalar quantity?

The stress necessary to initiate yielding, is considerably

The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is

Forces are called coplanar when all of them acting on body lie in

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