Related Questions

The electric company charges Tk. 0.30 per kilowatt-hour (KWH). Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average cost of electricity for the 3 months?
A Tk. 72
B Tk. 96
C Tk. 48
D Tk. 144
The electric company charges Tk. 0.30 per kilowatt -hour (KWH). Rahim used 28000 KWH in April , 32 00 KWH in May, and 36ooo KWH in June . What was his average cost least one of each colour?
A Tk. 72
B TK. 96
C Tk. 48
D TK. 144
Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
A 300
B 800
C 1400
D 2000
The electric company charges Tk. 0.30 per kilowatt-hour (KWH). Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 in June. What was his average cost of electricity for the 3 months?
A Tk. 72
B Tk. 96
C Tk. 48
D Tk. 144
A steel mill produces 180 tons of steel per month Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month what should be the selling price of each ton of steel in order to make 10% profit?
A 1870
B 1845
C 1842
D 18145
The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.
A 60 - 100
B 400 - 700
C 1200 -1500
D 2000 - 2300
Energy consumed for crushing one ton of material ranges from __________ kWh.
A 0.01 to 0.1
B 0.5 to 1.5
C 2 to 3.5
D 4 to 5
Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant?
A Soaking pits
B Ceheating furnace
C L.D. converter
D Rotary lime kiln
Which furnace consumes maximum refractory annually in an integrated steel plant?
A Soaking pit
B Blastfurnace
C L.D. converter
D Coke ovens
About __________ ton of coke is required in a cupola to produce one ton of casting.
A 0.03
B 0.3
C 0.8
D 1.5

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