- (A) 25 to 30%
- (B) 40 to 50%
- (C) 65 to 70%
- (D) 85 to 90%
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- (A) 30 metres
- (B) 40 metres
- (C) 60 metres
- (D) 100 metres
- (A) 30°
- (B) 60°
- (C) 80°
- (D) 90°
- (A) four
- (B) three
- (C) two
- (D) one
- (A) steel
- (B) cast iron
- (C) copper
- (D) aluminium
- (A) lift trucks
- (B) coal accelerators
- (C) tower cranes
- (D) belt conveyor
- (A) 20 to 40 tonnes/hr
- (B) 50 to 100 tonnes/hr
- (C) 100 to 150 tonnes/hr
- (D) 150 to 200 tonnes/hr
- (A) dust
- (B) clinkers
- (C) iron particles
- (D) sand
- (A) reduce the flame length
- (B) increase the flame length
- (C) transport and dry the coal
- (D) provide air round the burners for getting optimum combustion
- (A) reduce the flame length
- (B) increase the flame length
- (C) transport and dry the coal
- (D) provide air around burners for get¬ting optimum combustion
