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MCQs

Laws Of Thermodynamics

Total Questions : 1462 | Page 145 of 147 pages
Question 1441. If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to__________________?
  1.    + v
  2.    – ve
  3.    zero
  4.    pressure x volume
  5.    any where between zero and infinity
 Discuss Question
Answer: Option C. -> zero
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1442. Gases have___________________?
  1.    only one value of specific heat
  2.    two values of specific heat
  3.    three values of specific heat
  4.    no value of specific heat
  5.    under some conditions one value and sometimes two values of specific heat
 Discuss Question
Answer: Option B. -> two values of specific heat
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1443. The statement that molecular weights of all gases occupy the same volume is known as________________?
  1.    Avogadro’s hypothesis
  2.    Dalton’s law
  3.    Gas law
  4.    Law of thermodynamics
  5.    Joule’s law
 Discuss Question
Answer: Option A. -> Avogadro’s hypothesis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1444. Which law states that the internal energy of a gas is a function of temperature__________________?
  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 B. -> Joule’s law
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1445. Characteristic gas constant of a gas is equal to______________________?
  1.    C/Cv
  2.    Cv/Cp
  3.    Cp – Cv
  4.    Cp + Cv
  5.    Cp x Cv
 Discuss Question
Answer: Option C. -> Cp – Cv
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1446. The ratio of two specific heats of air is equal to____________________?
  1.    0.17
  2.    0.24
  3.    0.1
  4.    1.41
  5.    2.71
 Discuss Question
Answer: Option D. -> 1.41
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1447. Intensive 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.    remains constant
 Discuss Question
Answer: Option B. -> does not depend on the mass of the system, like temperature, pressure, etc
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1448. The unit of power in S.I. units is_______________________?
  1.    newton
  2.    pascal
  3.    erg
  4.    watt
  5.    joule
 Discuss Question
Answer: Option D. -> watt
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1449. No liquid can exist as liquid at____________________?
  1.    – 273 °K
  2.    vacuum
  3.    zero pressure
  4.    centre of earth
  5.    in space
 Discuss Question
Answer: Option C. -> zero pressure
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1450. Superheated vapour behaves___________________?
  1.    exactly as gas
  2.    as steam
  3.    as ordinary vapour
  4.    approximately as a gas
  5.    as average of gas and vapour
 Discuss Question
Answer: Option D. -> approximately as a gas
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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