Q. Estimate the freezing temperature of liquid water at a pressure of 30 MPa.
✅ Correct Answer: (A)
-2.2°c
Engineering Thermodynamics MCQs | Page - 46
Dear candidates you will find MCQ questions of Engineering Thermodynamics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. The expression nRT/V is called the partial pressure of a gas.
✅ Correct Answer: (A)
true
Q. The gas constant of the mixture is the of the gas constants of the components.
✅ Correct Answer: (B)
weighted mean
Q. A quantity called partial volume of a component of mixture is used.
✅ Correct Answer: (A)
true
Q. When gases which are at equal pressure and temperature are mixed adiabatically without work, then
✅ Correct Answer: (A)
internal energy of the gaseous system remains constant
Q. The fact that internal energy of a mixture is equal to the sum of the partial internal energies of the gases can also be applied to properties like H,Cv,Cp,S,F, and G.
✅ Correct Answer: (A)
true
Q. Which of the following statement is true?
✅ Correct Answer: (D)
all of the mentioned
Q. In sensible heating or cooling,
✅ Correct Answer: (A)
work done remains constant
Q. Cooling and dehumidification of air is done in summer air conditioning.
✅ Correct Answer: (A)
true
Q. Heating and humidification is done in
✅ Correct Answer: (B)
winter air conditioning
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