Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Minimum Maximum Infinity Zero Minimum Maximum Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Bituminous coal Soft coal Hard coal Pulverized coal Bituminous coal Soft coal Hard coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle is maximum for Gas engine Steam engine Reversible engine Petrol engine Gas engine Steam engine Reversible engine Petrol engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is 654°C 54°C 108°C 327°C 654°C 54°C 108°C 327°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced When coal is first dried and then crushed to a fine powder by pulverizing machine 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 From the finely ground coal by moulding under pressure with or without a binding material When coal is first dried and then crushed to a fine powder by pulverizing machine 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 From the finely ground coal by moulding under pressure with or without a binding material ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle increases with Decrease in cut-off Increase in cut-off Constant cut-off None of these Decrease in cut-off Increase in cut-off Constant cut-off None of these ANSWER DOWNLOAD EXAMIANS APP