Engineering Thermodynamics - Study Mode
[#86] Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as
Correct Answer
(B) First law of thermodynamics
[#87] Which of the following process can be made reversible with the help of a regenerator?
Correct Answer
(D) All of these
[#88] The value of 1 mm of Hg is equal to
Correct Answer
(C) 133.3 N/m 2
[#89] The efficiency of Joule cycle is
Correct Answer
(A) Less than Carnot cycle
[#90] A mixture of gas expands from 0.03 m 3 to 0.06 m 3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is
Correct Answer
(C) 54 kJ