Engineering Thermodynamics The condition for the reversibility of a cycle is The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is All of these 760 mm of Hg 1013 × 102 N/m2 1.013 bar All of these 760 mm of Hg 1013 × 102 N/m2 1.013 bar ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics furnishes the relationship between Heat and work Heat, work and properties of the system Various properties of the system Various thermodynamic processes Heat and work Heat, work and properties of the system Various properties of the system Various thermodynamic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The natural petroleum may be separated into Lubricating oil Petrol Fuel oil Kerosene Lubricating oil Petrol Fuel oil Kerosene ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Carnot Rankine Brayton Stirling Carnot Rankine Brayton Stirling ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced From the finely ground coal by moulding under pressure with or without a binding material By heating wood with a limited supply of air to a temperature not less than 280°C When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel 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 By heating wood with a limited supply of air to a temperature not less than 280°C When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel When coal is first dried and then crushed to a fine powder by pulverizing machine ANSWER DOWNLOAD EXAMIANS APP
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