Thermodynamics Questions

• The entropy of water at 0°C is assumed to be
• A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is
• The absolute pressure of a given mass of a perfect gas varies inversely as its volume, when the temperature remains constant. This statement is known as Charles' law.
• The heat supplied to the gaS at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)
• In an isothermal process,
• The measurement of a thermodynamic property known as temperature is based on
• The compression ratio for Diesel engines is
• The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system.
• Liquid fuels consist of hydrocarbons.
• The free expansion process is __________ non-flow process.
• The specific heat at constant volume is
• The heating and expanding of a gas is called thermodynamic system.
• The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as
• Otto cycle is also known as
• The heat absorbed during a polytropic process is
• A process, in which the temperature of the working substance remains constant during its expansion or compression, is called
• Producer gas is obtained by
• A closed system is one in which heat and work crosses the boundary of the system but the mass of the working substance does not crosses the boundary of the system.
• The free expansion process is a constant enthalpy process.
• When the expansion or compression takes place according to the law pvn = C, the process is known as