During which of the following process does heat rejection takes place in Carnot cycle?
A. Isothermal expansion
B. Isentropic expansion
C. Isothermal compression
D. Isentropic compression
Answer C
The hyperbolic pocess is governed by
A. Boyle's law
B.Charles' law
C. Gay-Lussac law
D. Avogadro's law
Answer A
A process, in which the temperature of the working substance remains constant during its expansion or compression, is called
A. isothermal process
B. hyperbolic process
C. adiabatic process
D. polytropic process
According to Avogadro's law
A. the product of the gas constant and the molecular mass of an ideal gas is constant
B. the sum of partial pressure of the mixture of two gases is sum of the two
C. equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules
D. All of teh above
According to Kelvin-Planck's statement of second law of thermodynamics,
A. It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
B. it is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
C. it is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a cold body to a hot body
D. None of the above
