- (A) 20
- (B) 60
- (C) 90
- (D) 120
Exam preparation MCQs with answers
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Latest MCQs
- (A) Insufficient supply of combustion air and insufficient time for combustion
- (B) Poor quality of fuel and improper mixing of fuel & combustion air
- (C) Poor design & overloading of furnace
- (D) All
- (A) NOx
- (B) Hg
- (C) SO2
- (D) F
- (A) Smoke
- (B) Powder
- (C) Grit
- (D) Aggregates
- (A) Suppression of noise at the source itself
- (B) Path control of noise
- (C) Protection of operating personnel
- (D) All
- (A) Dermatitis (skin disorder)
- (B) Cancer
- (C) Asphyxiation (suffocation)
- (D) Asthma
- (A) 35
- (B) 75
- (C) 95
- (D) 105
- (A) 1-2
- (B) 5-10
- (C) 90-120
- (D) 1500-2500
- (A) Coal
- (B) Uranium ore
- (C) Iron ore
- (D) Lime
- (A) 1000 to 2000
- (B) 3000 to 6000
- (C) 6000 to 9000
- (D) 10000 to 100000

