Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - rγ - 1 rγ - 1 1 - (1/r) γ - 1/ γ 1 - (1/r) γ/γ - 1 1 - rγ - 1 rγ - 1 1 - (1/r) γ - 1/ γ 1 - (1/r) γ/γ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done is zero for the following process Throttling Constant volume All of the listed here Free expansion Throttling Constant volume All of the listed here Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency is maximum when Final temperature is 0°C Difference between initial and final temperature is 0°K Initial temperature is 0°K Final temperature is 0°K Final temperature is 0°C Difference between initial and final temperature is 0°K Initial temperature is 0°K Final temperature is 0°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Hyperbolic expansion Free expansion Adiabatic expansion Parabolic expansion Hyperbolic expansion Free expansion Adiabatic expansion Parabolic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Maximum Zero Infinity Minimum Maximum Zero Infinity Minimum ANSWER DOWNLOAD EXAMIANS APP
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