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neonofarm [45]
3 years ago
15

QUESTION ONE Write short answers on the following questions: i. Rainfall depth over a watershed is monitored through six number

of well distributed rain gauges. Gauged data are given below: Rain Gauge Number 1 2 3 4 5 6 Rainfall Depth (mm) 470 465 435 525 480 510 Area of Thiessen Polygon (x104 m²) 95 100 98 80 85 92 The Thiessen mean value (in mm, up to one decimal place) of the rainfall is​
Engineering
1 answer:
Bond [772]3 years ago
4 0

Answer:

identify function of the system unit and its components

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Helium gas is compressed from 90 kPa and 30oC to 450 kPa in a reversible, adiabatic process. Determine the final temperature and
ra1l [238]

Answer:

T2 ( final temperature ) = 576.9 K

a) 853.4 kJ/kg

b) 1422.3 kJ / kg

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pressure ( P1 ) = 90 kPa

Temperature ( T1 ) = 30°c + 273 = 303 k

P2 = 450 kPa

Determine final temperature for an Isentropic  process

T2 = T1 (\frac{p2}{p1} )^{(k-1)/k}  ----------- ( 1 )

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Work done in a piston-cylinder device can be calculated using this formula

w_{in} = c_{v} ( T2 - T1 )    ------- ( 2 )

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w_{in} = c_{p} ( T2 - T1 )

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4 0
3 years ago
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