Thermodynamics Questions

• The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)
• The absolute zero pressure can be attained at a temperature of
• The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.
• Which of the following is the correct statement?
• When a gas is heated at constant pressure
• The standard value of atmospheric pressure taken at sea level is
• The principal constituents of a fuel are
• The work ratio of simple gas turbine cycle depends upon
• The efficiency of Otto cycle depends upon the specific heats of the working substance.
• When the gas is heated at constant volume, the heat supplied
• The gas constant (R) is equal to the
• Which of the following gas has the highest calorific value?
• One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and __________ kg of water or steam.
• 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 fuel mostly used in cement industry and in metallurgical processes is
• One kg of carbon monoxide requires 4/7 kg of oxygen and produces
• The lower calorific value of fuel may be obtained by adding the heat of steam formed during combustion to the higher calorific value.
• The oxygen atom is __________ times heavier than the hydrogen atom.
• The isothermal and adiabatic processes are regarded as
• When the finely ground coal is moulded under pressure with or without a binding material, the resulting fuel is called briquetted coal.