Thermodynamics MCQ-02

Q.1 A perfect gas follows which law?
A. Joules law
B. Boyle's law
C. Charles law
D. Gay -lussac law
E.  All off the above
Ans-: E

Q.2 S.I. unit of mass is ________.
A. Tonne
B. Gram
C. Kg
D. Newton
Ans-: B

Q.3 which is general gas equation?
A. PV^n = C
B. PV= nRT
C. PV= mRT
D. Cp- Cv = R/J
Ans-: C

Q.4 S.I. unit of pressure ______.
A. Bars 
B. Kg/cm^2
C. Pascal 
D. Mm of water column 
Ans-: C

Q.5 How many law's fully determined behaviour of gases? 
A. 1 law
B. 2 law
C. 5 law
D. 4 law
Ans-: D

Q.6 Ice and water form a mixture of_____.
A. Open system 
B. Closed system 
C. Heterogeneous system 
D. Isolated system 
Ans-: C

Q.7  1 N/m^2 is equal to _____.
A. 5 watt 
B. 3 watt
C. 2 watt
D. 1 watt
Ans-: D

Q.8 The unit of entropy is _____.
A. Nm/kg sec
B. J/°k
C. J/kg °k
D. J/kg
Ans-: C

Q.9 which of the following is not the property of the system?
A. Density
B. Pressure 
C. Heat
D. Temperature 
Ans-: C

Q.10 In kg one calorie us equal to _____.
A.  .0427
B.  4.27
C.  427
D.  42.7
Ans-: A

Q.11 Who developed first law of thermodynamics?
A. Kelvin
B. Joule
C. Carnot 
D. Charles
Ans-: B

Q.12 Charles law is ___. ( P is constant )
A. V=T=Constant
B. V×T×Constant 
C. V/T = Constant
D. None of these
Ans -: C

Q.13 Measurement of temperature is based on ____.
A.  Thermodynamics properties 
B.  Zeroth law of thermodynamics 
C.  First law of thermodynamics 
D.  Joules law 
Ans -: B

Q.14 At  0° C value of entropy taken as___.
A.  1
B. -1
C.  Zero 
D.  2
Ans -: C

Q.15 Thermal power plants work on which cycle?
A. Rankine cycle 
B. Otto cycle 
C. Joules cycle 
D. Carnot cycle 
Ans -: A

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