Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? Temperature All of these Volume Pressure Temperature All of these Volume Pressure 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 to the temperature inside the refrigerator The room will be gradually warmed up The room will be cooled very slightly 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 gradually warmed up The room will be cooled very slightly The temperature of the air in room will remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and work are mutually convertible. This statement is called ___ law of thermodynamics. First Second Third Zeroth First Second Third Zeroth ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is May be possible with lot of sophistications Cost will be very high Theoretically possible Not possible May be possible with lot of sophistications Cost will be very high Theoretically possible Not possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Extensive property of a system is one whose value Depends on the mass of the system like volume Does not depend on the mass of the system, like temperature, pressure, etc. Is not dependent on the path followed but on the state Is dependent on the path followed and not on the state Depends on the mass of the system like volume Does not depend on the mass of the system, like temperature, pressure, etc. Is not dependent on the path followed but on the state Is dependent on the path followed and not on the state ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 15 to 30 5 to 8 3 to 6 10 to 20 15 to 30 5 to 8 3 to 6 10 to 20 ANSWER DOWNLOAD EXAMIANS APP