Engineering Thermodynamics The compression ratio for Diesel engines is 3 to 6 15 to 20 5 to 8 20 to 30 3 to 6 15 to 20 5 to 8 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy Remain constant First increases and then decreases Decreases Increases Remain constant First increases and then decreases Decreases Increases 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 Expansion and compression are isentropic Combustion is at constant volume Heat rejection is lower Maximum temperature is higher Expansion and compression are isentropic Combustion is at constant volume Heat rejection is lower Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An ideal gas as compared to a real gas at very high pressure occupies Same volume Less volume More volume Unpredictable behavior Same volume Less volume More volume Unpredictable behavior ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Zero Infinity Maximum Minimum Zero Infinity Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
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