Q.1
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to
Q.2
During which of the following process does heat rejection takes place in Carnot cycle?
Q.3
The unit of mass in S.I. units is
Q.4
The unit of pressure in S.I. units is
Q.5
The unit of length in S.I. units is
Q.6
The unit of energy in S.I. units is
Q.7
The unit of time in S.I. units is
Q.8
The unit of temperature in S.I. units is
Q.9
The unit of power in S.I. units is
Q.10
The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is
Q.11
A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as
Q.12
The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as
Q.13
The amount of heat generated per kg of fuel is known as
Q.14
The specific heat of water is
Q.15
Change in enthalpy of a system is the heat supplied at
Q.16
Which of the following has the highest calorific value?
Q.17
Which of the following gas has the highest calorific value?
Q.18
Carbonization of coal consists of
Q.19
The value of cp/cv for air is
Q.20
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency
Q.21
For the same maximum pressure and temperature,
Q.22
The fuel mostly used in cement industry and in metallurgical processes is
Q.23
According to Dalton's law, the total pressure of the mixture of gases is equal to
Q.24
When a gas is heated, change takes place in
Q.25
Mixture of ice and water form a
Q.26
The entropy may be expressed as a function of
Q.27
A molecule consisting of one atom is known as
Q.28
One molecule of oxygen consists of __________ atoms of oxygen.
Q.29
Addition of heat at constant pressure to a gas results in
Q.30
Which of the following items is not a path function?
0 h : 0 m : 1 s