Engineering Thermodynamics Which of the following process can be made reversible with the help of a regenerator? Constant pressure process Constant pvn process All of these Constant volume process Constant pressure process Constant pvn process All of these Constant volume process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is decreased Cut-off is zero Cut-off is constant Cut-off is increased Cut-off is decreased Cut-off is zero Cut-off is constant Cut-off is increased ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as Cracking Fractional distillation Carbonization Full distillation Cracking Fractional distillation Carbonization Full distillation ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The increase in entropy of a system represents Increase in temperature Degradation of energy Increase in availability of energy Decrease in pressure Increase in temperature Degradation of energy Increase in availability of energy Decrease in pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Both temperature and volume increases Its volume increases but temperature decreases Its temperature increases but volume decreases Both temperature and volume decreases Both temperature and volume increases Its volume increases but temperature decreases Its temperature increases but volume decreases Both temperature and volume decreases ANSWER DOWNLOAD EXAMIANS APP
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