Engineering Thermodynamics On volume basis, air contains following parts of oxygen 23 25 77 21 23 25 77 21 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by Clausis Gay-Lussac Kelvin Joule Clausis Gay-Lussac Kelvin Joule ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow 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 The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When gas is heated at constant pressure, the heat supplied is utilized in Increasing the internal energy of gas Doing some external work Increasing the internal energy of gas and also for doing some external work None of these Increasing the internal energy of gas Doing some external work Increasing the internal energy of gas and also for doing some external work None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as Molecule Atom Element Compound Molecule Atom Element Compound ANSWER DOWNLOAD EXAMIANS APP
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