Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Remains constant None of these Decreases Increases Remains constant None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Temperature Internal energy Volume Pressure Temperature Internal energy Volume Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is zero Cut-off is constant Cut-off is decreased Cut-off is increased Cut-off is zero Cut-off is constant Cut-off is decreased Cut-off is increased ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 300° to 500°C 500° to 700°C 700° to 900°C 900° to 1100°C 300° to 500°C 500° to 700°C 700° to 900°C 900° to 1100°C 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 molecular weight Occupies volume inversely proportional to its specific weight Occupies volume proportional to its specific weight Occupies same volume Occupies volume inversely proportional to its molecular weight Occupies volume inversely proportional to its specific weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 ANSWER DOWNLOAD EXAMIANS APP
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