Engineering Thermodynamics The compression ratio for Diesel engines is 20 to 30 5 to 8 15 to 20 3 to 6 20 to 30 5 to 8 15 to 20 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of dual combustion cycle is Less than Diesel cycle and greater than Otto cycle Less than Diesel cycle Greater than Diesel cycle and less than Otto cycle Greater than Diesel cycle Less than Diesel cycle and greater than Otto cycle Less than Diesel cycle Greater than Diesel cycle and less than Otto cycle Greater than Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When heat is being absorbed, temperature of hot source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas. Three-forth Two-third One-third One-half Three-forth Two-third One-third One-half ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is Unrestricted expansion Heat transfer with a finite temperature difference All of these Mechanical and fluid friction Unrestricted expansion Heat transfer with a finite temperature difference All of these Mechanical and fluid friction ANSWER DOWNLOAD EXAMIANS APP
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