Engineering Thermodynamics When gas is heated at constant pressure, the heat supplied is utilized in None of these Increasing the internal energy of gas and also for doing some external work Doing some external work Increasing the internal energy of gas None of these Increasing the internal energy of gas and also for doing some external work Doing some external work Increasing the internal energy of gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On volume basis, air contains following parts of oxygen 23 21 25 77 23 21 25 77 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 Expansion and compression are isentropic Heat rejection is lower Maximum temperature is higher Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower Maximum temperature is higher Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an ideal gas turbine plant, it is assumed that the compression and expansion processes are None of these Polytropic Isothermal Isentropic None of these Polytropic Isothermal Isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of a gas turbine plant is given by (Net work output)/(Work-done by the turbine) (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) ANSWER DOWNLOAD EXAMIANS APP
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