Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isentropic compression Isentropic expansion Isothermal compression Isothermal expansion Isentropic compression Isentropic expansion Isothermal compression Isothermal expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero but heat increases Heat transfer is zero Work done is zero Both (A) and (B) above Work done is zero but heat increases Heat transfer is zero Work done is zero Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The isothermal and adiabatic processes are regarded as Reversible process Reversible or irreversible process None of the listed here Irreversible process Reversible process Reversible or irreversible process None of the listed here Irreversible process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Pulverized coal Soft coal Bituminous coal Hard coal Pulverized coal Soft coal Bituminous coal Hard coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Increases the temperature of the gas Both (B) and (C) Does some external work during expansion Increases the internal energy of the gas Increases the temperature of the gas Both (B) and (C) Does some external work during expansion Increases the internal energy of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Remain unchanged Increase Increase/decrease depending on application Decrease Remain unchanged Increase Increase/decrease depending on application Decrease ANSWER DOWNLOAD EXAMIANS APP
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