Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Isothermal process Reversible process Adiabatic process Irreversible process Isothermal process Reversible process Adiabatic process Irreversible process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency is maximum when Difference between initial and final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Final temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Final temperature is 0°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of -273°C None of these 0°C 273 K -273°C None of these 0°C 273 K 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 transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source 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 There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source 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 The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Decrease Increase/decrease depending on application Increase Remain unchanged Decrease Increase/decrease depending on application Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called kilo-Joule Specific heat at constant volume Specific heat at constant pressure None of these kilo-Joule Specific heat at constant volume Specific heat at constant pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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