Q.1
One watt is equal to
Q.2
According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as
Q.3
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.
Q.4
The throttling process is __________ process.
Q.5
The atomic mass of nitrogen is __________ oxygen.
Q.6
According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.
Q.7
The efficiency of Stirling cycle is __________ Carnot cycle.
Q.8
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to
Q.9
The specific heat of air increases with increase in
Q.10
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as
Q.11
The fuel mostly used in steam boilers is
Q.12
Water contained in a beaker can be made to boil by passing steam through it
Q.13
A tri-atomic molecule consists of __________ atoms.
Q.14
The efficiency of Ericsson cycle is __________ Carnot cycle.
Q.15
The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.
Q.16
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.
Q.17
The gas constant (R) is equal to the
Q.18
For which of the following substances, the internal energy and enthalpy are the functions of temperature only
Q.19
The mass of flue gas per kg of fuel is the ratio of the
Q.20
An open cycle gas turbine works on
Q.21
Energy can neither be created nor destroyed but can be converted from one form to other is inferred from
Q.22
The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called
Q.23
In an isothermal process, the internal energy of gas molecules
Q.24
The absolute zero pressure will be
Q.25
The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is
Q.26
Total heat of a substance is also known as
Q.27
According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant
Q.28
Otto cycle is also known as
Q.29
The entropy of water at 0°C is assumed to be
Q.30
According to kinetic theory of gases, the absolute zero temperature is attained when
0 h : 0 m : 1 s