The mass of excess air supplied is equal to
The throttling process is __________ process.
The atomic mass of an element is the number of times the atom of that element is heavier than the hydrogen atom.
The natural petroleum may be separated into
The general law for the expansion or compression of gases, is
The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.
Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as
The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called
A definite area or a space where some thermodynamic process takes place is known as
A cycle consisting of two constant pressure and two isothermal processes is known as Ericsson cycle.
A closed cycle gas turbine works on Joule's cycle.
When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is
A cycle consisting of two isothermal and two isentropic processes, is known as
The amount of heat required to raise the temperature of __________ water through one degree is called kilojoule.
A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as
If in the equation pvn = C, the value of n =then the process is called isothermal process.
The specific volume of a system is an __________ property.
Which of the following process can be made reversible with the help of a regenerator?
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as
The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).
Carbonisation of coal consists of
According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the gases are at the same temperature and pressure.
The constant pressure, constant volume and constant pvn processes are regarded as irreversible process.
The value of 1 mm of Hg is equal to
When coal is strongly heated continuously fortohours in the absence of air in a closed vessel, the process is known as __________ of fuel.
The efficiency of Diesel cycle approaches to Otto cycle efficiency when
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