Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcv (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) mR (T2 - T1) mcv (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) mR (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of hydrogen requires 8 kg of oxygen and produces 8 kg of water 7 kg of water 9 kg of water 1 kg of water 8 kg of water 7 kg of water 9 kg of water 1 kg of water ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which No heat enters or leaves the gas All of these The temperature of the gas changes The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas All of these The temperature of the gas changes The change in internal energy is equal to the mechanical work done ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Increase/decrease depending on application Decrease Remain unchanged Increase Increase/decrease depending on application Decrease Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following process can be made reversible with the help of a regenerator? All of these Constant pressure process Constant volume process Constant pvn process All of these Constant pressure process Constant volume process Constant pvn process ANSWER DOWNLOAD EXAMIANS APP
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