Engineering Thermodynamics Carnot cycle has maximum efficiency for Diesel engine Reversible engine Irreversible engine Petrol engine Diesel engine Reversible engine Irreversible engine Petrol engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 9/7 7/4 11/7 11/4 9/7 7/4 11/7 11/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency 43835 2 Zero 43834 43835 2 Zero 43834 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of 2.24 liters 22.4 liters 224 liters 0.224 liters 2.24 liters 22.4 liters 224 liters 0.224 liters ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied All of these When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered ANSWER DOWNLOAD EXAMIANS APP
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