Direction: The following table of properties was printed out for saturated liquid and saturated vapour of ammonia. The title for only the first two columns are available. All that we know that the other columns (columns 3 to 8) contain data on specific properties, namely, internal energy (kJ/ kg), enthalpy (kJ/kg) and entropy (kJ/kgK). 
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when saturated liquid at 40°C is throttled to – 20°C, the quality at exit will be
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- 0.189
- 0.212
- 0.231
- 0.788
Correct Option: B
NA
