The absolute zero pressure will be
When the gas is heated at constant volume, the heat supplied
In open cycle gas turbine plants
To ensure complete and rapid combustion of a fuel, some quantity of air, in excess of the theoretical or minimum air is supplied.
When a gas is heated at constant pressure
The heating of gas at constant volume is governed by
The entropy may be expressed as a function of
The reading of the pressure gauge fitted on a vessel isbar. The atmospheric pressure is 1.bar and the value of 'g' is 9.m/s2. The absolute pressure in the vessel is
One kg of hydrogen requires 8 kg of oxygen and produces
One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and __________ kg of water or steam.
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by
Kerosene is distilled at
The behaviour of super-heated vapour is similar to that of
Which of the following statement is correct according to Clausis statement of second law off thermodynamics?
Wood charcoal is produced by heating the wood at 100°C.
A process, in which the gas is heated or expanded in such a way that product of its pressure and volume remains constant, is called isothermal process.
The workdone in a free expansion process is zero.
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) __________ with the change in pressure and temperature of the gas.
Coal gas consists mainly of hydrogen, carbon monoxide and various hydrocarbons.
When a perfect gas is expanded through an aperture of minute dimensions, the process is known as
The calorific value of gaseous fuel is expressed in
A good fuel should have __________ ignition point.
The gas in cooling chamber of a closed cycle gas turbine is cooled at
By decreasing the highest temperature in the Carnot cycle, its efficiency is increased.
The absolute pressure of a given mass of a perfect gas varies inversely as its volume, when the temperature remains constant. This statement is known as Boyle's law.
It is __________ to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work.
The value of one bar (in S. I. units) is equal to
The efficiency of Diesel cycle increases with increase in cut-off.
The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is
Briquetted coal is produced from the finely ground coal by moulding under pressure with or without a binding material.
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