Thermodynamics Questions

• The atomic mass of oxygen is
• Coal gas is obtained by mixing coal and gas at ambient conditions.
• The compression ratio for petrol engines is
• If the value of n = 0 in the equation pvn = C, then the process is called
• The efficiency of Diesel cycle increases with
• One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.
• The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by
• The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called
• Stirling and Ericsson cycles are
• The most probable velocity of the gas molecules is given by
• A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as
• Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.
• The value of gas constant (R) in S. I. units is
• Which of the following gas is mostly used in town for street and domestic lighting and heating?
• The absolute zero temperature is taken as
• The specific heat of water is
• 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
• Which of the following statement is incorrect?
• Which of the following is correct?
• Workdone in a free expansion process is