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Chemical Engineering - Furnace Technology

Exercise : Furnace Technology - Section 2
41.
The main function of a muffle in the muffle furnace is to
protect the charge from the effects of the products of combustion.
smooth out temperature inequalities on the combustion side of the muffle wall.
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C.
50
100
150
250
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Very high pressure boilers are usually __________ boilers.
fire tube
water tube
waste heat
natural circulation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Heat transfer rate to the charge/stock in a furnace does not depend upon the
type of fuels viz solid, liquid or gaseous.
flue gas temperature.
emissivity of refractory walls.
initial temperature of the charged stock.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Heat balance of furnace provides means of determining the
thermal efficiency of the process.
sources of heat losses.
scope of reduction of heat losses.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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