A. Coke ovens
B. Open hearth furnace
C. Both A. & B.
D. Neither A. nor B.
Related Mcqs:
- Regenerators compared to the recuperators for the same duty__________________?
A. Occupy more space
B. Are less costly
C. Are of smaller size
D. All A., B. and C. - Regenerators are used for waste heat recovery in____________________?
A. By-product coke ovens
B. Beehive coke oven
C. Blast furnace stoves
D. Soaking pits - Regenerators as compared to recuperators for the same duty_________________?
A. Store smaller quantity of waste heat
B. Are lighter & compact
C. Involve higher initial cost
D. All A., B. & C. - Regenerators are normally provided in the____________________?
A. Glass melting furnace
B. Open hearth furnace
C. By product coke ovens
D. All A., B. and C. - Which of the following is a batch furnace ?
A. Cupola
B. Reheating furnace
C. Glass tank furnace
D. None of these - Which is not a hearth furnace ?
A. Glass tank furnace
B. Open hearth furnace
C. Cupola
D. Reheating furnace - Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about ____________ °C?
A. 80
B. 130
C. 180
D. 250 - Dampers are located__________________?
A. Before the I.D fan
B. After the I.D. fan
C. Near the top of the chimney
D. Anywhere after the I.D. fan - The amount of combustible escaping unconsumed from the furnace, depends upon the________________?
A. Air supplied and furnace temperature
B. Burner design (thoroughness of mixing versus stratification)
C. Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by
change of direction)
D. All A., B. and C. - Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of_________________?
A. Furnace oil with air
B. Furnace oil with oxygen
C. Blast furnace gas with air
D. Blast furnace gas with oxygen
