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MCQs

Laws Of Thermodynamics

Total Questions : 1462 | Page 144 of 147 pages
Question 1431. Work done in an adiabatic process between a given pair of end states depends on__________________?
  1.    the end states only
  2.    particular adiabatic process
  3.    the value of index n
  4.    the value of heattransferred
  5.    mass of the system
 Discuss Question
Answer: Option A. -> the end states only
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1432. The index of compression n tends to reach ratio of specific heats y when____________________?
  1.    flow is uniform and steady
  2.    process is isentropic
  3.    process is isothermal
  4.    process is isentropic and specific heat does not change with temperature
  5.    process is isentropic and specific heat changes with temperature
 Discuss Question
Answer: Option D. -> process is isentropic and specific heat does not change with temperature
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1433. The term N.T.P. stands for________________________?
  1.    nominal temperature and pressure
  2.    natural temperature and pressure
  3.    normal temperature and pressure
  4.    normal thermodynamic practice
  5.    normal thermodynamic pressure
 Discuss Question
Answer: Option C. -> normal temperature and pressure
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1434. Properties of substances like pressure, temperature and density, in thermodynamic coordinates are__________________?
  1.    path functions
  2.    point functions
  3.    cyclic functions
  4.    real functions
  5.    thermodynamic functions
 Discuss Question
Answer: Option B. -> point functions
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1435. According to Avogadro’s law, for a given pressure and temperature, each molecule of a gas_________________?
  1.    occupies volume proportional to its molecular weight
  2.    occupies volume proportional to its specific weight
  3.    occupies volume inversely proportional to its molecular weight
  4.    occupies volume inversely proportional to its specific weight
  5.    occupies same volume
 Discuss Question
Answer: Option E. -> occupies same volume
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1436. Which of the following is the property of a system___________________?
  1.    pressure and temperature
  2.    internal energy
  3.    volume and density
  4.    enthalpy and entropy
  5.    all of the above
 Discuss Question
Answer: Option E. -> all of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1437. Which of the following is not the intensive property___________________?
  1.    pressure
  2.    temperature
  3.    density
  4.    heat
  5.    specific volume
 Discuss Question
Answer: Option D. -> heat
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1438. An open system is one in which____________________?
  1.    mass does not cross boundaries of the system, though energy may do so
  2.    neither mass nor energy crosses the boundaries of the system
  3.    both energy and mass cross the boundaries of the system
  4.    mass crosses the boundary but not the energy
  5.    thermodynamic reactions do not occur
 Discuss Question
Answer: Option C. -> both energy and mass cross the boundaries of the system
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1439. Which law states that the specific heat of a gas remains constant at all temperatures and pressures______________________?
  1.    Charles’ Law
  2.    Joule’s Law
  3.    Regnault’s Law
  4.    Boyle’s Law
  5.    there is no such law
 Discuss Question
Answer: Option C. -> Regnault’s Law
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1440. Extensive property of a system is one whose value______________________?
  1.    depends on the mass of the system like volume
  2.    does not depend on the mass of the system, like temperature, pressure, etc
  3.    is not dependent on the path followed but on the state
  4.    is dependent on the path followed and not on the state
  5.    is always constant
 Discuss Question
Answer: Option A. -> depends on the mass of the system like volume
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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