Engineering Thermodynamics Work done in an adiabatic process between a given pair of end states depends on The value of heat transferred Particular adiabatic process The end states only The value of index ‘n’ The value of heat transferred Particular adiabatic process The end states only The value of index ‘n’ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its temperature and doing external work Raising its temperature Raising its pressure Raising its volume Raising its temperature and doing external work Raising its temperature Raising its pressure Raising its volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied None of these Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion None of these Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 735 J/kmol °K 83.14 J/kmol °K 848 J/kmol °K 29.27 J/kmol °K 735 J/kmol °K 83.14 J/kmol °K 848 J/kmol °K 29.27 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Increase Remain unchanged Increase/decrease depending on application Decrease Increase Remain unchanged Increase/decrease depending on application Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For same compression ratio and for same heat added Both Otto and Diesel cycles are equally efficient Diesel cycle is more efficient than Otto cycle Efficiency depends on other factors Otto cycle is more efficient than Diesel cycle Both Otto and Diesel cycles are equally efficient Diesel cycle is more efficient than Otto cycle Efficiency depends on other factors Otto cycle is more efficient than Diesel cycle ANSWER DOWNLOAD EXAMIANS APP