For which of the following substances, the internal energy and enthalpy are the functions of temperature only____________________?
(A) any gas
(B) saturated steam
(C) water
(D) perfect gas
(D) superheated steam
Gases have___________________?
(A) only one value of specific heat
(B) two values of specific heat
(C) three values of specific heat
(D) no value of specific heat
(D) under some conditions one value and sometimes two values of specific heat
The statement that molecular weights of all gases occupy the same volume is known as________________?
(A) Avogadro’s hypothesis
(B) Dalton’s law
(C) Gas law
(D) Law of thermodynamics
(D) Joule’s law
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to__________________?
(A) + v
(B) – ve
(C) zero
(D) pressure x volume
(D) any where between zero and infinity
Properties of substances like pressure, temperature and density, in thermodynamic coordinates are__________________?
(A) path functions
(B) point functions
(C) cyclic functions
(D) real functions
(D) thermodynamic functions
According to Avogadro’s law, for a given pressure and temperature, each molecule of a gas_________________?
(A) occupies volume proportional to its molecular weight
(B) occupies volume proportional to its specific weight
(C) occupies volume inversely proportional to its molecular weight
(D) occupies volume inversely proportional to its specific weight
(D) occupies same volume
Which of the following is the property of a system___________________?
(A) pressure and temperature
(B) internal energy
(C) volume and density
(D) enthalpy and entropy
(D) all of the above
Which of the following is not the intensive property___________________?
(A) pressure
(B) temperature
(C) density
(D) heat
(D) specific volume
Work done in an adiabatic process between a given pair of end states depends on__________________?
(A) the end states only
(B) particular adiabatic process
(C) the value of index n
(D) the value of heattransferred
(D) mass of the system
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?
(A) enthalpy
(B) volume
(C) mass
(D) entropy
(D) specific volume