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Furnace Technology

Furnace Technology
__________ is an indirectly heated furnace.

Reheating furnace
Muffle furnace
Soaking pit
Open hearth furnace

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Furnace Technology
Hearth furnaces are not used for

Melting
Roasting
Reheating
None of these

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Furnace Technology
If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.

Recirculating
Sidefired
Underfired
Covered

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Furnace Technology
Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C.

100
250
50
150

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Furnace Technology
In a heating process, a heat flow diagram in which the quantities of heat in the various items of a heat balance are represented by the width of a band is called the

Sankey diagram
None of these
Cox chart
Ostwald chart

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Furnace Technology
The method of Lobo and Evans is concerned with the calculation of the

Heat transfer in vacuum condensers
Heat absorption in radiant section of a furnace
Mass transfer co-efficient
Heat transfer by forced convection in a reboiler

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