Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 70 to 110°C None of these 20 to 50°C 50 to 70°C 70 to 110°C None of these 20 to 50°C 50 to 70°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dehumidification process, on the psychrometric chart, is shown by Curved line Vertical line Horizontal line Inclined line Curved line Vertical line Horizontal line Inclined line 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) 125 kJ/kg 100 kJ/kg 50 kJ/kg 25 kJ/kg 125 kJ/kg 100 kJ/kg 50 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The mass of water vapour present in __________ is called absolute humidity. 1 kg of dry air 1 m3 of dry air 1 m3 of water 1 kg of wet air 1 kg of dry air 1 m3 of dry air 1 m3 of water 1 kg of wet air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner. More Same None of these Less More Same None of these Less ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Reversed Carnot Rankine Reversed Rankine Carnot Reversed Carnot Rankine Reversed Rankine Carnot ANSWER DOWNLOAD EXAMIANS APP