Thermodynamics MCQs | Thermodynamics Multiple Choice Questions with Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
61 Universal gas constant is defined as equal to product of the molecular weight of the gas and
A specific heat at constant pressure
B specific heat at constant volume
C ratio of two specific heats
D gas constant

Answer: gas constant
62 The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is
A 29.27 J/kmol°K
B 83.14J/kmol°K
C 848J/kmol°K
D All J/kmol °K

Answer: 83.14J/kmol°K
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
63 In a 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 increases

Answer: both (a) and (b) above
64 If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called
A free expansion
B hyperbolic expansion
C adiabatic expansion
D parabolic expansion

Answer: free expansion
65 Which of the following processes is irreversible process
A isothermal
B adiabatic
C throttling
D all of the above

Answer: throttling
66 For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be
A zero
B minimum
C maximum
D infinity

Answer: zero
67 Molecular volume of any perfect gas at 600 x 103 N/m2 and 27°C will be
A 4.17m3/kgmol
B 400 m3/kg mol
C 0.15 m3/kg mol
D 41.7 m3/kg mol

Answer: 4.17m3/kgmol
68 The more effective way of increasing efficiency of Carnot engine is to (a) (b) (c) (d) (e) keep lower temperature constant. Ans: d
A increase higher temperature
B decrease higher temperature
C increase lower temperature
D decrease lower temperature

Answer: decrease lower temperature
69 Entropy change depends on
A heat transfer
B mass transfer
C change of temperature
D thermodynamic state

Answer: heat transfer
70 According to first law of thermodynamics
A work done by a system is equal to heat transferred by the system
B total internal energy of a system during a process remains constant
C internal energy, enthalpy and entropy during a process remain constant
D total energy of a system remains constant

Answer: total energy of a system remains constant
71 Energy can neither be created nor destroyed but can be converted from one form to other is inferred from
A zeroth low of thermodynamic
B first law of thermodynamics
C second law to thermodynamics
D basic law of thermodynamics

Answer: first law of thermodynamics

Random GK Questions

Q. Two rods, one of copper and other of steel, experience the same up thrust when placed in in water. Thus both have
Q. The Preamble of the Indian Constitution was for the first time amended by the
Q. Most of the Ajanta paintings were done during the period of
Q. Plants get water through the roots because of-
Q. Who was the Viceroy during the time Mr. Attlee of England declared the British intention to transfer power to Indians ?
Q. Which one of the following saints’ name is associated with Shivaji ?
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series