Refrigeration and Air Conditioning Carbon dioxide is Non-flammable Odourless Colourless All of the listed here Non-flammable Odourless Colourless All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Air Freon-11 Freon-22 CO2 Air Freon-11 Freon-22 CO2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Good electrical conductor High risibility with oil Low boiling point Large latent heat Good electrical conductor High risibility with oil Low boiling point Large latent heat ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Operating the machine at higher speeds Operating the machine at lower speeds Raising the higher temperature Lowering the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Raising the higher temperature Lowering the higher temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.5 0.75 0.25 0.1 0.5 0.75 0.25 0.1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest thermal diffusivity is of Aluminium Lead Rubber Iron Aluminium Lead Rubber Iron ANSWER DOWNLOAD EXAMIANS APP