Mass flow ratio of NH3 in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of___________________?

Related Mcqs:

The boiling point of ammonia is___________________?

A. -100°C B. -50°C C. – 33.3°C D. 0°C E. 33.3°C...

Refrigeration in aeroplanes usually employs the following refrigerant___________________?

A. Co2 B. Freon-11 C. Freon-22 D. Air E. none of the above...

In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to___________________?

A. collect liquid refrigerant and prevent it from going to compressor B. detect liquid in vapour C. superheat the vapour D. collect vapours E. increase refrigeration effect...

Which of the following refrigerants has lowest freezing point_______________?

A. Freon-12 B. NH3 C. C02 D. Freon-22 E. S02...

Short horizontal lines on pressure-enthalpy chart show__________________?

A. constant pressure lines B. constant temperature lines C. constant total heat lines D. constant entropy lines E. constant volume lines...