When a fluid is allowed to expand suddenly into a vaccum chamber through an orifice of large dimensions, the process is known as free expansion process.
One m3 of methane (CH4) requires 2m3 of oxygen and produces 1m3 of carbon dioxide and 2m3 of water or steam.
The gas turbine cycle with regenerator improves
The lower calorific value of fuel may be obtained by adding the heat of steam formed during combustion to the higher calorific value.
Mond gas is obtained by
The entropy is a point function and thus it is a property of the same.
The hard coke is obtained when carbonisation of coal is carried out at
According to First law of thermodynamics,
Otto cycle consists of
The work ratio of simple gas turbine cycle depends upon
The efficiency of Otto cycle depends upon the specific heats of the working substance.
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)
Carnot cycle consists of
The numerical value of the thermal capacity and the water equivalent of the substance are the same.
A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.
The efficiency of Ericsson cycle is __________ Carnot cycle.
Coke oven gas is obtained by burning coke in an oven.
Which of the following has the highest calorific value?
One kg of carbon monoxide requires 4/7 kg of oxygen and produces
An open system is one in which
The natural solid fuel is
The principal constituents of a fuel are
Which of the following is the correct statement?
The state of a substance whose evaporation from its liquid state is complete, is known as
The amount of heat generated per kg of fuel is known as
The increase in entropy of a system represents
The gas constant (R) is equal to the
The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as
When a gas is heated at constant volume
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