The efficiency of Stirling cycle is __________ Carnot cycle.
The kinetic energy of molecules of a gas becomes zero at absolute zero temperature.
Stirling and Ericsson cycles are
One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.
Which of the following is correct?
The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
The entropy __________ in an irreversible cyclic process.
According to Gay-Lussac law for a perfect gas, p/T = constant, if v is kept constant.
One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.
When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.
The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by
Which of the following statement is incorrect?
The atomic mass of oxygen is
There is no change in internal energy in an isothermal process.
The absolute zero temperature is taken as
A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as
The universal gas constant of a gas is the product of molecular mass of the gas and the gas constant.
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
If the value of n = 0 in the equation pvn = C, then the process is called
The specific heat of water is
An isothermal process is governed by
The processes occuring in open system which permit the transfer of mass to and from the system, are known as
Which of the following gas is mostly used in town for street and domestic lighting and heating?
An adiabatic process is one in which
All the commercial liquid fuels are derived from natural petroleum (or crude oil).
Which of the following has the minimum atomic mass?
The value of gas constant (R) in S. I. units is
Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as
Workdone in a free expansion process is