Q.1
The door of a running refrigerator inside a room was left open. Which of the following statements is correct?
Q.2
Which of the following is the extensive property of a thermodynamic system?
Q.3
Which of the following is an intensive property of a thermodynamic system?
Q.4
According to Avogadro's law, for a given pressure and temperature, each molecule of a gas
Q.5
The energy of molecular motion appears as
Q.6
The ultimate analysis of coal consists of the determination of the percentage of
Q.7
Which of the following is the lightest and most volatile liquid fuel?
Q.8
Which of the following gas is mostly used in town for street and domestic lighting and heating?
Q.9
According to Avogadro’s law
Q.10
According to Avogadro's law
Q.11
Which of the following is not the intensive property?
Q.12
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is
Q.13
The __________ is obtained when carbonization of coal is carried out at 500° to 700° C.
Q.14
When a gas is heated at constant volume
Q.15
When the gas is heated at constant pressure, the heat supplied
Q.16
When the gas is heated at constant volume, the heat supplied
Q.17
Which of the following gas has a minimum molecular mass?
Q.18
In a reversible adiabatic process, the ratio of T1/T2 is equal to
Q.19
The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).
Q.20
Kinetic theory of gases assumes that the collisions between the molecules are
Q.21
Which of the following gas has a minimum molecular mass?
Q.22
The atomic mass of oxygen is
Q.23
For the same compression ratio, the efficiency of dual combustion cycle is
Q.24
The processes occurring in open system which permit the transfer of mass to and from the system, are known as
Q.25
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as
Q.26
A heat exchange process in which the product of pressure and volume remains constant is known as
Q.27
Work done in an adiabatic process between a given pair of end states depends on
Q.28
The heating of gas at constant volume is governed by
Q.29
Steam coal is a
Q.30
The increase in entropy of a system represents
0 h : 0 m : 1 s