Engineering Thermodynamics First law of thermodynamics All of these Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system Does not enable to determine change in entropy All of these Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system Does not enable to determine change in entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = C pvγ = C pvn = C pv = m R T pv = C pvγ = C pvn = C pv = m R T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Isothermal process Irreversible process Reversible process Adiabatic process Isothermal process Irreversible process Reversible process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas All of these The temperature of the gas changes The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas All of these The temperature of the gas changes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The state of a substance whose evaporation from its liquid state is complete, is known as Perfect gas Vapour Steam Air Perfect gas Vapour Steam Air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for Diesel engines is 3 to 6 5 to 8 15 to 20 20 to 30 3 to 6 5 to 8 15 to 20 20 to 30 ANSWER DOWNLOAD EXAMIANS APP