Q. 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.

View solution

Q. One m³ of methane (CH₄) requires 2m³ of oxygen and produces 1m³ of carbon dioxide and 2m³ of water or steam.

View solution

Q. Coke oven gas is obtained by burning coke in an oven.

View solution

Q. A perpetual motion machine of the first kind is __________ according to first law of thermodynamics.

View solution

Q. One kg of carbon requires 8/3 kg of oxygen for its complete combustion and produces 11/3 kg of carbon dioxide gas.

View solution

Q. 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.

View solution

Q. The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

View solution

Q. The work ratio of simple gas turbine cycle depends upon

View solution

Q. The gas constant (R) is equal to the

View solution

Q. Select the wrong statement

View solution

Q. One kg of hydrogen requires 8 kg of oxygen and produces

View solution

Q. The standard value of atmospheric pressure taken at sea level is

View solution

Q. The efficiency of Otto cycle depends upon the specific heats of the working substance.

View solution

Q. The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

View solution

Q. The absolute zero pressure can be attained at a temperature of

View solution

Q. One kg of ethylene (C₂H₄) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and __________ kg of water or steam.

View solution

Q. An open system is one in which

View solution

Q. One reversible heat engine operates between 1600 K and T₂ K and another reversible heat engine operates between T₂ K and 400 K. If both the engines have the same heat input and output, then temperature T₂ is equal to

View solution

Q. When the gas is heated at constant volume, the heat supplied

View solution

Q. The efficiency of a gas turbine is given by

View solution