Thermodynamics Process and Cycle Basic MCQ Part-02 || থার্মোডাইনামিক্স প্রসেস এবং সাইকেল এর বেসিক এমসিকিউ পর্ব-০২

Thermodynamics Process and Cycle Basic MCQ Part-02

Process and Cycle Part (11-20):

11.Which of the following is an intensive property?

     a) temperature           b) Surface tension

     c) Viscosity                    d) All of these  ​

12. If in the equation PVn = C, the value of n = 1 then the process is 

     called geothermal process. 

     a) True ​      ​b) False 

13. A perfect gas at 27◦C is heated at constant pressure till it’s volume is double. The finial temperature is 
​a) 54 ◦C​​b) 108◦C​​​

       c) 327◦C​​d) 654◦C

14. Free expansion process 

​a) work done is zero ​​b) heat transfer is zero 

​c) both a) and b) above    ​d) work done is zero but heat in creases 

15. Second law of thermodynamics defines – 

​a) Internal energy      ​b) work ​​
​c) Entropy ​        ​d) Enthalpy 

16.  Change in internal energy in a close system is equal to heat transferred – 

​a) Pressure ​    ​b) temperature ​
​c) Volume ​    ​d) internal energy 

17. In a working refrigerator the value of COP is always – 

​a) 0​​      ​b) <0​​​
​c) <1​​    ​d) >1

Fig: © Slidshare.net

 18. In a P-V diagram (for an ideal gas) an isothermal curve will coincide with an adiabatic curve (through a point) when 

​a) CPV​​​b) CP =  CV​​
​c ) CP > CV​​d) CP ≥ CV

19. An actual engine is to be designed have same efficiency as the Carnot cycle. Such a proposition is – 

​a) feasible​​​b) impossible​​

c) possible ​​​d) possible but with lot of sophistication's 

20. Brayton cycle consist of following four processes. 

a) two isothermals and two isentropic ​

b) two isentropic and two constant volume 

​c) two isentropic, one constant volume and one constant pressure 

d) two isentropic and two constant pressure

  

ꘈ Thermodynamics Basic MCQ (01 to 10) 

https://mekeyword.blogspot.com/2019/09/thermodynamics-basic-mcq-01-to-10.html