Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Internal energy Enthalpy Temperature Entropy Internal energy Enthalpy Temperature Entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following laws is applicable for the behaviour of a perfect gas? Boyle's law Charles ‘law Gay Lussac’s law All of these Boyle's law Charles ‘law Gay Lussac’s law All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the absolute zero temperature is attained when Volume of the gas is zero Specific heat of gas is zero Kinetic energy of the molecules is zero Pressure of the gas is zero Volume of the gas is zero Specific heat of gas is zero Kinetic energy of the molecules is zero Pressure of the gas is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 2.87 J/kgK 0.287 J/kgK 28.7 J/kgK 287 J/kgK 2.87 J/kgK 0.287 J/kgK 28.7 J/kgK 287 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Net work output)/(Work-done by the turbine) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work All of these 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 It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source ANSWER DOWNLOAD EXAMIANS APP
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