Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - (1/r) γ/γ - 1 1 - rγ - 1 1 - (1/r) γ - 1/ γ rγ - 1 1 - (1/r) γ/γ - 1 1 - rγ - 1 1 - (1/r) γ - 1/ γ rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carbonization of coal consists of Moulding the finely ground coal under pressure with or without a binding material Drying and crushing the coal to a fine powder None of these Heating the wood with a limited supply of air to temperature not less than 280°C Moulding the finely ground coal under pressure with or without a binding material Drying and crushing the coal to a fine powder None of these Heating the wood with a limited supply of air to temperature not less than 280°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Combustion is at constant volume Maximum temperature is higher Expansion and compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher Expansion and compression are isentropic Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy Does not enable to determine change in entropy All of these Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy Does not enable to determine change in entropy All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes is irreversible process? Adiabatic All of these Isothermal Throttling Adiabatic All of these Isothermal Throttling ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can ANSWER DOWNLOAD EXAMIANS APP
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