Sardar Vallabhbhai National Institute of Technology 2011 B.E Thermodynamic Assignment test - Question Paper

SARDAR VALLABHBHAI NATIONAL INSTITUTE OF TECHNOLOGY, SURAT

Thermodynamic Assignment and Tutorial Quiz

IV-Mechanical (2010-2011)

Time: 4.30 to 5.00 pm Max. Marks: 10

Instructions:

 

 

 

 

 

 

 

1. The efficiency of Carnot Engine run by Petrol is ___________________the efficiency of Carnot Engine run by Diesel.(greater than, less than, equal to)

 

2. COP of Refrigerator in terms of COP of Heat Pump is____________________________

 

3. Specific Volume of gas is extensive or intensive property? _______________________

 

4. _________________________steam behaves like a gas(wet, dry saturated, superheated )

 

5. Latent heat of vaporization at critical point is______________________

 

6. Which of the following is not a property of the system? (Temperature, pressure, specific volume, heat) ______________________

 

7. In SI Units, The value of Universal Gas constant is___________________

 

8. Change in entropy is zero during ________________ process.

 

9. Heat addition at constant temperature is called ______________Heat (Sensible, Latent).

 

10. Steady Flow Energy Equation is only applicable for__________(Control Volume, Control mass, isolated system)

 

11. Work done in free expansion process is __________

 

12. In equation for a polytropic process, PVⁿ=C, Value of n for constant volume process is__________

 

13. With ____________ pressure, boiling point of water increases and enthalpy of evaporation decreases(Increases, Decreases, Constant )

 

14. Mollier Diagram(Chart) is ______Vs_______

 

15. 1 ton of refrigeration = _____________kJ/min.