A. Glass melting furnace
B. Open hearth furnace
C. By product coke ovens
D. All A., B. and C.
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 are installed in_______________?
A. Coke ovens
B. Open hearth furnace
C. Both A. & B.
D. Neither A. nor B. - 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. - The heating capacity of muffle furnace depends on the____________________?
A. Surface area & emissivity of the stock
B. Properties of the muffle wall (temperature, area, and emissivity)
C. Both A. & B.
D. Neither A. nor B. - In producer gas making furnace, steam is added along with air to mainly control the____________________?
A. Fusion of coal ash & clinker formation
B. C. V. of producer gas
C. Temperature of producer gas
D. Tar content in producer gas - Rotary kilns are used in the____________________?
A. Calcination of limestone & dolomite
B. Cement manufacture
C. Both A. and B.
D. Neither A. nor B. - Furnace pressure is normally controlled by regulating the__________________?
A. Air pressure
B. Fuel gas pressure
C. Speed of I.D. fan
D. Damper - A refractory wall separating the stock and the source of heat is provided in a__________________?
A. Updraft kiln
B. Muffle furnace
C. Continuous furnace
D. None of these - Which of the following is a batch furnace ?
A. Cupola
B. Reheating furnace
C. Glass tank furnace
D. None of these
