A. Benzol
B. Toluene
C. Pyridine
D. Cerosote
Related Mcqs:
- The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to___________________?
A. Minimise its corrosion
B. Avoid radiation heat loss
C. Make it look attractive
D. None of these - Fuel consumption in coke making can be reduced by___________________?
A. Preheating, blending and de-ashing the coal
B. Stamped charging of coal
C. Dry quenching of coke
D. All A., B. and C. - Caking index of coal blend used for blast furnace coke making is about_________________?
A. 8
B. 12
C. 22
D. 36 - Degree of carbonisation of coal during coke making can be roughly judged by the ______________ of the coke produced?
A. Colour
B. Moisture content
C. Ash content
D. Volatile matter - Which of the following would require least amount of secondary air for combustion ?
A. Coke breeze containing 25% ash and 2% volatile matter
B. Anthracite containing 10% volatile matter and 8% ash
C. Bituminous coal containing 20% ash and 25% volatile matter
D. Semi-bituminous coal containing 25% ash and 20% volatile matter - Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ?
A. Multicyclones
B. Bag filter
C. Wet scrubber
D. Hydrocyclones - Which of the following has the highest heat of combustion ?
A. H2
B. CO
C. CH4
D. C2H6 - Which of the following is not a ‘manufactured’ fuel ?
A. LPG
B. Coal briquettes
C. Tar
D. Colloidal fuels - Which of the following fuel gases is heavier than air ?
A. Blast furnace gas
B. Coke oven gas
C. Natural gas
D. Water gas - Which of the following is a measure of the agglutinating (i.e., binding) property of coal ?
A. Thickness of plastic layer
B. Caking index
C. Swelling index
D. Gray-king index
