Q. Second law of thermodynamics defines

View solution

Q. Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

View solution

Q. The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is

View solution

Q. First law of thermodynamics deals with

View solution

Q. Which of the following statement is correct?

View solution

Q. In S. I. units, the value of the universal gas constant is

View solution

Q. The throttling process is __________ process.

View solution

Q. The efficiency of Diesel cycle increases with increase in cut-off.

View solution

Q. The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

View solution

Q. It is __________ to make an engine working on a Carnot cycle.

View solution

Q. The heating of a gas at constant pressure is governed by

View solution

Q. Reversed Joule cycle is known as

View solution

Q. One kg of sulphur requires 1 kg of oxygen for complete combustion and produces 2 kg of sulphur dioxide.

View solution

Q. The change of entropy, when heat is absorbed by the gas, is

View solution

Q. A machine which violates the first law of thermodynamics is known as perpetual motion machine of the second kind.

View solution

Q. Both the Ericsson and Joule's cycle have two constant pressure processes.

View solution

Q. The general law for the expansion or compression of gases, is

View solution

Q. The value of one bar (in S. I. units) is equal to

View solution

Q. Petrol is distilled at

View solution

Q. If the carbon content in the bituminous coal is 78 to 81%, it is said to be coking bituminous coal.

View solution