- (A) Should be as low as possible i.e., 1 : 2
- (B) Should be 1:1 for a batch type furnace
- (C) Is the ratio of maximum to minimum permissible heat input rates
- (D) Is normally much more for a continuous furnace as compared to a batch furnace
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- (A) Gate
- (B) Butterfly
- (C) Globe
- (D) None of these
- (A) Horizontal
- (B) Vertical
- (C) Tangential
- (D) All
- (A) Tunnel kiln
- (B) Rotary kiln
- (C) Soaking pit
- (D) Reheating furnace
- (A) Movement of gases
- (B) Measurement of flue gas volume
- (C) Temperature control
- (D) Pressure adjustment
- (A) By-product coke oven
- (B) Calcination kiln
- (C) Sintering furnace
- (D) Open hearth furnace
- (A) Reduces its thermal efficiency
- (B) Is indicated by flame sting out
- (C) Increases the flue gas temperature
- (D) None of these
- (A) 250
- (B) 650
- (C) 850
- (D) 1000
- (A) By-product coke ovens
- (B) Beehive coke oven
- (C) Blast furnace stoves
- (D) Soaking pits
- (A) 5
- (B) 60
- (C) 20
- (D) 40
