Related Questions

A bond gets matured in 10 years . invested TK. 42,000 in this bond and received Tk. 105000 once the bond matured . If the bond was under simple interest . then what was the rate of interest per annum?
A 10%
B 12.5%
C 15%
D 7.5%
Which is the most matured coal?
A Lignite
B Bituminous
C Semi-anthracite
D Anthracite
A matured mammalian cell without nucleus is
A Lymphocyte
B Erythrocyte
C Spermatozoan
D Oocyte
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
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
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
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
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

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