Related Questions

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
Mountain Railways of India refer to the railway lines built in the mountains of India in the nineteenth and early twentieth century, during the British Raj, even being run today by the Indian Railways. How many railway lines refer to the Mountain Railways of India ?
A 3
B 4
C 5
D 6
"the girl is meritorious , she must come of a rich come of a rich family. the speaker most probably assumes which of the following.?
A Girls from rich families look nice
B There is a direct relationship between merit and wealth
C Merit is an outcome of hard work
D Merit is measured by performance on exams .
Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have
A High shrinkage
B Less strength
C Both (A) and (B)
D None of above
Which one of the following region is most rich in coal deposits?
A Bramhaputra Valley
B Damodar Valley
C Mahanadi Valley
D Godavari Valley
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
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
Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.
A Entrained
B Moving
C Fixed
D Fluidised
The Appalachian coal fields, one of the important coal fields in the world, are located in ________
A China
B Great Britain
C U.S.A.
D Russia
Combustion of pulverised coal as compared to that of lump coal
A Develops a non-luminous flame
B Develops a low temperature flame
C Can be done with less excess air
D Provides a lower rate of heat release

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