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
Where is the biggest reserve of mica?
A In South Africa
B In India
C In USA
D In Australia
The Federal Reserve System is framed by how many Federal Reserve Banks?
A 13
B 12
C 11
D 10
কোনো প্রকার কুঋণ সমন্বয় করার পূর্বে দেনাদারের পরিমাণ হচ্ছে ২০,৫০০ টাকা। কুঋণ ৫০০ টাকা, কুঋণ সঞ্চিতি ৫৫০ টাকা। দেনাদারের উপর ১০% কুঋণ সঞ্চিতি এবং ৫% বাট্টা সঞ্চিতি ধার্য করা হয়। বাট্টা সঞ্চিতির পরিমাণ কত? (The debtors balance appears at Tk. 20,500 prior to bad debt adjustment. Bad debt expense in Tk.500 and bad debt reserve is Tk. 550. A provision is created for bad debt is 10% and is made for a discount of 5%. What will be reserve for discount in taka?)
A Tk. 2000
B Tk. 2100
C Tk. 950
D Tk. 900
Which of the following is known to have proven reserve of coal deposit in Bangladesh ?
A Khalashpir
B Phulbaria
C Kurubdia
D Begunbari
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

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