In a certain locality the drybulb temperature is 35 C & the relative humidity is 70 %. At normal atmospheric pressure of 101.325 kPa, determine: a) Specific humidity b) Specific enthalpy c) Specific volume d) Temperature at which it starts to precipitate e) Check answers above using Psychrometric chart
In a certain locality the drybulb temperature is 35 C & the relative humidity is 70 %. At normal atmospheric pressure of 101.325 kPa, determine: a) Specific humidity b) Specific enthalpy c) Specific volume d) Temperature at which it starts to precipitate e) Check answers above using Psychrometric chart
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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Answer only letter/s D and E
![From Steam table, at 35°c, Pus= 5-622 kpa;
p=Pv/pus
⇒.0.7 - Þ/5.622;
k= 3.9354 kpa,
a) Specific humidity (W) = 0.622
0.622x3-9354
Pr/pi-pu
(101.325 -3.9354)
10-0·025 134 kg of v/kg of d.a.
b) Enthalpy (h) - Cpat + w (2500 + 1-88 +)
1005t+ (2500 +1-88t)
(1.005x35) + (0.025134) (2.500 +1-88 × 35)
h = 99.6638 kJ/kg..
c) Specific volume (v) =
R. (1+1 6078 w/t
Ma
=
kaal 1 + 1.6078 w/t
PT
v=
V = 8.314 (1+1-6078 × 0·02.5134)(35)
2.9
101.325
v=0.10303 m²/kg;](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1aeadff5-aa0f-48c7-a58c-1c9ad8956565%2F3736c6ef-2d59-4783-bfd5-d7166ea99576%2Fw2tu8t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:From Steam table, at 35°c, Pus= 5-622 kpa;
p=Pv/pus
⇒.0.7 - Þ/5.622;
k= 3.9354 kpa,
a) Specific humidity (W) = 0.622
0.622x3-9354
Pr/pi-pu
(101.325 -3.9354)
10-0·025 134 kg of v/kg of d.a.
b) Enthalpy (h) - Cpat + w (2500 + 1-88 +)
1005t+ (2500 +1-88t)
(1.005x35) + (0.025134) (2.500 +1-88 × 35)
h = 99.6638 kJ/kg..
c) Specific volume (v) =
R. (1+1 6078 w/t
Ma
=
kaal 1 + 1.6078 w/t
PT
v=
V = 8.314 (1+1-6078 × 0·02.5134)(35)
2.9
101.325
v=0.10303 m²/kg;
![In a certain locality the drybulb temperature is 35 C &
the relative humidity is 70 %. At normal atmospheric
pressure of 101.325 kPa, determine:
a) Specific humidity
b) Specific enthalpy
c) Specific volume
d) Temperature at which it starts to precipitate
e) Check answers above using
Psychrometric chart](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1aeadff5-aa0f-48c7-a58c-1c9ad8956565%2F3736c6ef-2d59-4783-bfd5-d7166ea99576%2Flr8252_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In a certain locality the drybulb temperature is 35 C &
the relative humidity is 70 %. At normal atmospheric
pressure of 101.325 kPa, determine:
a) Specific humidity
b) Specific enthalpy
c) Specific volume
d) Temperature at which it starts to precipitate
e) Check answers above using
Psychrometric chart
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