Refrigeration and Air Conditioning The air cooling system mostly used in transport type aircrafts is Simple air cooling system Simple evaporative air cooling system All of the listed here Bootstrap air cooling system Simple air cooling system Simple evaporative air cooling system All of the listed here Bootstrap air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 50 kJ/kg 125 kJ/kg 25 kJ/kg 100 kJ/kg 50 kJ/kg 125 kJ/kg 25 kJ/kg 100 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative humidity lines on a psychrometric chart are Curved lines Vertical and uniformly spaced Horizontal and uniformly spaced Horizontal and non-uniformly spaced Curved lines Vertical and uniformly spaced Horizontal and uniformly spaced Horizontal and non-uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -135.8°C -56.6°C -77.7°C -75.2°C -135.8°C -56.6°C -77.7°C -75.2°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton refrigeration corresponds to 80 kcal/ min 80 kcal/ hr 50 kcal/ hr 50 kcal/ min 80 kcal/ min 80 kcal/ hr 50 kcal/ hr 50 kcal/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Copper Steel Brass Aluminium Copper Steel Brass Aluminium ANSWER DOWNLOAD EXAMIANS APP