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Q#1
GATE CH 2018
NAT
+2 marks
-0 marks
The wall of a pipe of radius 1 m is at a uniform temperature of 200 °C, and is covered by insulation of thickness 0.1 m. The ambient air outside the insulated pipe is at 20 °C and has heat transfer coefficient of 
. The thermal conductivity of the insulation material is 
. If the heat transfer occurs at steady state, the temperature (in 
) of the outer surface of insulation is 
(rounded off to second decimal place).
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Browse Practice Questions by Chapters / Topics in Browse Practice Questions by Chapters / Topics in GATE Chemical Engineering
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| Topic | Questions | Attempted | Correct | |
|---|---|---|---|---|
| Heat Transfer | 26 | 0 | 0 | |
| Chemical Technology | 17 | 0 | 0 | |
| Mechanical Operations | 12 | 0 | 0 | |
| Mass Transfer | 42 | 0 | 0 | |
| Instrumentation and Process Control | 26 | 0 | 0 | |
| Fluid Mechanics | 24 | 0 | 0 | |
| Engineering Mathematics | 41 | 0 | 0 | |
| General Aptitude | 60 | 0 | 0 | |
| Chemical Reaction Engineering | 26 | 0 | 0 | |
| Process Calculation | 9 | 0 | 0 | |
| Plant Design Economics | 10 | 0 | 0 | |
| Thermodynamics | 24 | 0 | 0 |
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