Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Soft coal Pulverized coal Bituminous coal Hard coal Soft coal Pulverized coal Bituminous coal Hard coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the lightest and most volatile liquid fuel? Gasoline Kerosene Fuel oil None of these Gasoline Kerosene Fuel oil None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All of these All the processes, taking place in the cycle of operation, must be extremely slow 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 of these All the processes, taking place in the cycle of operation, must be extremely slow 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When heat is being absorbed, temperature of hot source and working substance should be same All of these Free expansion or friction resisted expansion/compression process should not be encountered 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 All of these Free expansion or friction resisted expansion/compression process should not be encountered When beat is being rejected, temperature of cold source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is 25 bar 34.81 bar 23.97 bar 26.03 bar 25 bar 34.81 bar 23.97 bar 26.03 bar ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied None of these Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion None of these Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
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