Chemical Engineering - Furnace Technology

Exercise :: Furnace Technology - Section 2

16. 

The heating capacity of muffle furnace depends on the

A. surface area & emissivity of the stock.
B. properties of the muffle wall (temperature, area, emissivity).
C. both (a) & (b)
D. neither (a) nor (b)

Answer: Option C

Explanation:

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17. 

Which of the following is a batch furnace ?

A. Cupola
B. Reheating furnace
C. Glass tank furnace
D. None of these

Answer: Option A

Explanation:

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18. 

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

A. Ostwald chart
B. Cox chart
C. Sankey diagram
D. none of these

Answer: Option C

Explanation:

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19. 

Maximum thermal efficiency of boiler may be about __________ percent.

A. 10
B. 25
C. 65
D. 90

Answer: Option D

Explanation:

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20. 

Rotary kilns are used in the

A. calcination of limestone & dolomite.
B. cement manufacture.
C. both (a) and (b).
D. neither (a) nor (6).

Answer: Option C

Explanation:

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