- (A) 5
- (B) 25
- (C) 55
- (D) 80
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- (A) Increases
- (B) Decreases
- (C) Remain constant
- (D) None of these
- (A) Pollution control aspect
- (B) Draught to be created
- (C) Limitation of constructional facilities
- (D) None of these
- (A) Fire point
- (B) Smoke point
- (C) Burning temperature
- (D) Kindling temperature
- (A) 6
- (B) 12
- (C) 18
- (D) 24
- (A) Producer gas
- (B) Water gas
- (C) Coke oven gas
- (D) Blast furnace gas
- (A) Is less liable to spontaneous combustion on storage
- (B) Is more difficult to ignite and produces a shorter flame
- (C) Requires smaller combustion space and less secondary air
- (D) None of these
- (A) Entrained
- (B) Moving
- (C) Fixed
- (D) Fluidised
- (A) Origin of petroleum oil
- (B) Origin of coal
- (C) Coalification
- (D) Variation of coal quality with depth
- (A) Colour
- (B) Moisture content
- (C) Ash content
- (D) Volatile matter
