Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Soft coal Hard coal Bituminous coal Pulverized coal Soft coal Hard coal Bituminous coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's law, for a given pressure and temperature, each molecule of a gas Occupies volume proportional to its specific weight Occupies same volume Occupies volume inversely proportional to its specific weight Occupies volume inversely proportional to its molecular weight Occupies volume proportional to its specific weight Occupies same volume Occupies volume inversely proportional to its specific weight Occupies volume inversely proportional to its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 30 kJ 84 kJ 114 kJ 54 kJ 30 kJ 84 kJ 114 kJ 54 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed joule cycle is called Rankine cycle Brayton cycle Carnot cycle Bell Coleman cycle Rankine cycle Brayton cycle Carnot cycle Bell Coleman cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In open cycle gas turbine plants All of these Direct combustion systems is used A condenser is used The indirect heat exchanger and cooler is avoided All of these Direct combustion systems is used A condenser is used The indirect heat exchanger and cooler is avoided ANSWER DOWNLOAD EXAMIANS APP