which it could be used. lo A standard Schedule 405 cm steel pipe (inside diameterf 5.25 cm and wall thickness 40 cm) čarrying steam is lagged (1.c insulated) with 5.0 cm of 85 per cent magnesia covered in vith 5 0 cm of cork. Estimate the heat loss per hour per meter of pipe if the inner surface of nine is at 120°C and the outer surface of the cork is at 32°C. The thermal conductivitics of the substances concerned are ル Material Thermal Conductivity (Watts/ha K] Steel 45 85% Magnesia 0.07 Cork 0.05 it

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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which it could be used.
lO A standard Schedule 405 cm steel pipe (inside diameter 5.25cm and wall thickness
40 cm) čarrying steam is lagged (1.e insulated) with 5.0 cm of 85 per cent magnesia covered in
with 5.0 cm of cork. Estimate the heat loss per hour per meter of pipe if the inner surface of
the pipe is at 120°C and the outer surface of the cork is at 32°C. The thermal conductivitics of
the substances concerned are
Material
Thermal Conductivity
(Wattsha K]
Steel
45
85% Magnesia
0.07
Cork
0.05
Lん
At
it
Transcribed Image Text:which it could be used. lO A standard Schedule 405 cm steel pipe (inside diameter 5.25cm and wall thickness 40 cm) čarrying steam is lagged (1.e insulated) with 5.0 cm of 85 per cent magnesia covered in with 5.0 cm of cork. Estimate the heat loss per hour per meter of pipe if the inner surface of the pipe is at 120°C and the outer surface of the cork is at 32°C. The thermal conductivitics of the substances concerned are Material Thermal Conductivity (Wattsha K] Steel 45 85% Magnesia 0.07 Cork 0.05 Lん At it
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