Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle 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 Expansion and compression are isentropic Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Superheated vapour behaves As steam Exactly as gas Approximately as a gas As ordinary vapour As steam Exactly as gas Approximately as a gas As ordinary vapour ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero Heat transfer is zero Work done is zero but heat increases Both (A) and (B) above Work done is zero Heat transfer is zero Work done is zero but heat increases Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have Only one value of specific heat Two values of specific heat No value of specific heat Under some conditions one value and sometimes two values of specific heat Only one value of specific heat Two values of specific heat No value of specific heat Under some conditions one value and sometimes two values of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Producer gas is obtained by Passing air and a large amount of steam over waste coal at about 650°C Carbonization of bituminous coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 650°C Carbonization of bituminous coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of temperature in S.I. units is Fahrenheit Kelvin Celsius Centigrade Fahrenheit Kelvin Celsius Centigrade ANSWER DOWNLOAD EXAMIANS APP