Related Questions

Which of the following is not a binder for coal briquetting?
A Coal tar
B Bitumen
C Molasses
D None of these
Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.
A 1000
B 4000
C 6000
D 8000
The binder commonly used in making oil sand, is
A Clay type binder
B Organic type binder
C Inorganic type binder
D Any one of these
The binder normally used in flexible pavement construction is
A cement
B lime
C bitumen
D none of the above
Which of the following can be made into briquettes without the use of a binder?
A Lignite
B Bituminous coal
C Anthracite coal
D None of these
The liquid used for the washing of coal in an industrial coal washery is a mixture of water and
A Carbon tetrachloride
B Sand (40%)
C Mineral oil of high viscosity & specific gravity (1.6)
D None of these
Which of the following types of coal represents the first stage of formation of coal?
A Anthracite
B Lignite
C Peat
D Bituminous
Which of the following varieties of coal accounts for the maximum coal output of the world?
A Peat
B Lignite
C Bituminous
D Anthracite
Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
A Neutralised by alkali treatment
B Left as such without any treatment
C Diluted with fresh water to reduce its acidity
D None of these
In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a
A Belt conveyor
B Bucket conveyor
C Fork lift truck
D Overhead crane

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