The fuel mostly used in steam boilers is
As per Charles' law, the volume of a given mass of a perfect gas varies __________ as its absolute temperature, when the absolute pressure remains constant.
The unit of energy is S. I. units is
The greater the pressure difference in throttling, the lesser is the irreversibility.
During which of the following process does heat rejection takes place in Carnot cycle?
The efficiency of Joule cycle is
The dual combustion cycle consists of one constant pressure, two constant volume and two isentropic processes.
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle
The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)
One kg of carbon produces __________ kg of carbon dioxide.
Which is the incorrect statement about Carnot cycle?
Liquid fuels have higher calorific value than solid fuels.
Hydrogen is the __________ substance.
The compression ratio for Diesel engines is
Ericsson cycle consists of two constant pressure and two isothermal processes.
When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called
The free expansion process is __________ non-flow process.
According to kinetic theory of gases, the kinetic energy of translation of a molecule is proportional to
Otto cycle is also known as
In an isothermal process,
The isothermal and isentropic processes are reversible non-flow processes.
The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents
A mixture of gas expands from 0.m3 to 0.m3 at a constant pressure of 1 MPa and absorbskJ of heat during the process. The change in internal energy of the mixture is
The amount of heat given out by the complete combustion of 1 kg of fuel is known as calorific value of solid or liquid fuel.
For a perfect gas, according to Boyle's law (where p = Absolute pressure, v = Volume, and T = Absolute temperature)
The area under the temperature-entropy curve (i. e. T - s curve) of any thermodynamic process represents the workdone during the process.
The ratio of molar specific heats for monoatomic gas is
Which of the following is the correct statement of the second law of thermodynamics?
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