Engineering Chemistry Analysis Coal Online Exam Quiz
Engineering Chemistry Analysis Coal GK Quiz. Question and Answers related to Engineering Chemistry Analysis Coal. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Analysis Coal
In ultimate analysis, %hydrogen is given by __________
Options
A : (Increase in weight of CaCl2 tube×2×100 / weight of coal sample taken×18)
B : (Increase in weight of KOH tube×2×100 / weight of coal sample taken×18)
C : (Increase in weight of CaCl2 tube×4×100 / weight of coal sample taken×18)
D : (Increase in weight of KOH tube×4×100 / weight of coal sample taken×18)
In ultimate analysis, %carbon is given by __________
Options
A : (Increase in weight of KOH tube×12×100 / weight of coal sample taken×44)
B : (Increase in weight of KOH tube×2×100 / weight of coal sample taken×18)
C : (Increase in weight of CaCl2 tube×12×100 / weight of coal sample taken×44)
D : (Increase in weight of CaCl2 tube×2×100 / weight of coal sample taken×18)
Percentage of ash by analysis of coal is given by _____
Options
A : (weight of residue/weight of sample) × 100
B : (weight of sample – weight of residue) × 100
C : (weight of sample – weight of residue)/weight of sample × 100
D : (weight of residue – weight of sample) × 100
In coal, Sulphur is usually present in the extent of __________
Options
A : 0.5-3%
B : 90-95%
C : 70-75%
D : 80-85%
In proximate analysis of coal, %fixed carbon = __________
Options
A : 100 – % (ash + volatile matter + moisture)
B : 100 – % (ash + moisture)
C : 100 – % (ash + moisture) + %volatile matter
D : 100 – % (moisture + volatile matter)
__________ is the weight of residue obtained after burning a weighed amount of dry coal.
Options
A : Ash
B : Volatile matter
C : Moisture
D : Carbon
Good quality of coal should have _____ % of oxygen.
Options
A : low
B : high
C : 100
D : 0
Hydrogen available for combustion is lesser than the actual one.
Options
A : true
B : false
C :
D :
In analysis of coal, determination of _______ is done by Kjeldahl method.
Options
A : Volatile matter
B : Nitrogen
C : Ash
D : Oxygen
In determination of carbon and hydrogen by ultimate analysis, increase in weight of calcium chloride bulb represents ______
Options
A : weight of water formed
B : weight of carbon dioxide formed
C : carbon
D : hydrogen
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