In an ammonia refrigerator , the pressure in the evaporator is 267. 58 KPa and the ammonia at is 0.14 dry while at the exit is 0.86 dry . During compression the work done per kg of ammonia is 20 ,000 kg .m . Calculate volume of the vapor entering the compressor per minute if the rate of ammonia circulation is 6.54 kg. The compressor has a volumetric efficiency of 90% and it runs at 150 rpm .The ratio of stroke to bore is 1 .Latent enthalpy of ammonia at based on its evaporating pressure is 320 Kcal per kg and its latent specific volume of ammonia based on its evaporating pressure is 0.436 m3 per kg .Specific volume of ammonia . A) 2.23 C) 2.46 B) 3.23 D) 4.62
In an ammonia refrigerator , the pressure in the evaporator is 267. 58 KPa and the ammonia at is 0.14 dry while at the exit is 0.86 dry . During compression the work done per kg of ammonia is 20 ,000 kg .m . Calculate volume of the vapor entering the compressor per minute if the rate of ammonia circulation is 6.54 kg. The compressor has a volumetric efficiency of 90% and it runs at 150 rpm .The ratio of stroke to bore is 1 .Latent enthalpy of ammonia at based on its evaporating pressure is 320 Kcal per kg and its latent specific volume of ammonia based on its evaporating pressure is 0.436 m3 per kg .Specific volume of ammonia . A) 2.23 C) 2.46 B) 3.23 D) 4.62
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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In an ammonia refrigerator , the pressure in the evaporator is 267. 58 KPa and the
ammonia at is 0.14 dry while at the exit is 0.86 dry . During compression the work done per kg
of ammonia is 20 ,000 kg .m . Calculate volume of the vapor entering the compressor per minute
if the rate of ammonia circulation is 6.54 kg. The compressor has a volumetric efficiency of 90%
and it runs at 150 rpm .The ratio of stroke to bore is 1 .Latent enthalpy of ammonia at based
on its evaporating pressure is 320 Kcal per kg and its latent specific volume of ammonia based
on its evaporating pressure is 0.436 m3 per kg .Specific volume of ammonia .
A) 2.23 C) 2.46
B) 3.23 D) 4.62
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