A. Benzene, toluene & xylene
B. Tar & creosote
C. Ammonia & phenol
D. Anthracene & phenol
Related Mcqs:
- Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of _____________ °C?
A. 80-170
B. 200-300
C. 250-270
D. 280-300 - Benzol is used_____________________?
A. As a motor fuel blend
B. For producing benzene, toluene & xylene by its distillation
C. Both A. & B.
D. Neither A. nor B. - Main constituents of purified Lurgi gas are___________________?
A. H2, CmHn & CO2
B. CO, H2 & CH4
C. CO2, O2 & CO
D. N2, H2 & CO2 - Which of the following petrographic constituents of coal is non-coking ?
A. Vitrain
B. Clarain
C. Durain
D. Fussain - Which of the following constituents of a fuel does not contribute to its calorific value on combustion ?
A. Hydrogen
B. Sulphur
C. Carbon
D. None of these - Which of the following constituents of coal is the most important in the production of coke ?
A. Moisture
B. Ash
C. Volatiles
D. Carbon - Main use of hard coke produced by high temperature carbonisation is in the ____________________ ?
A. Iron blast furnace
B. Cupola in foundries
C. Sinter making
D. Domestic ovens - Coals used for the generation of producer gas should have ____________________?
A. High caking index
B. Low fusion point of ash
C. High volatile matter content
D. Very low ash content (8-10%) - Gray King Assay and Swelling Index of a coal is a measure of its ____________________?
A. Swelling characteristics
B. Abradability
C. Agglutinating properties
D. Resistance to impact breakage - Anthracite coal ____________________?
A. Contains more volatile matter than bituminous coal
B. Ignites more easily than bituminous coal
C. Is essentially a coking coal
D. Burns with short, bluish, yellow-tipped flame producing very little smoke