Engineering Thermodynamics The entropy of water at 0°C is assumed to be 2 -1 1 2 -1 1 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 Not possible May be possible with lot of sophistications Theoretically possible Cost will be very high Not possible May be possible with lot of sophistications Theoretically possible Cost will be very high ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Both (A) and (B) Do not change None of these Change Both (A) and (B) Do not change None of these Change 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 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 The room will be cooled very slightly ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During throttling process All of these There is no change of internal energy of steam Heat exchange does not take place No work is done by expanding steam All of these There is no change of internal energy of steam Heat exchange does not take place No work is done by expanding steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 5 to 8 3 to 6 15 to 30 10 to 20 5 to 8 3 to 6 15 to 30 10 to 20 ANSWER DOWNLOAD EXAMIANS APP