Related Questions

Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
A 2
B 3
C 0.8
D 6
The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon.
A 0.2
B 2
C 4
D 8
The fuel mostly used in blast furnace for extracting pig iron from iron ores is
A Hard coke
B Soft coke
C Pulverized coal
D Bituminous coal
Weight of C is twice the weight of M. Weight of M is 1/9 of the weight of R. Weight of R is 5/2 of the weight of K. Weight of K is 1/3 of the weight of G. Who is the second lightest?
A C
B M
C K
D G
Limestone is added in the blast furnace (during pig iron manufacture) to
A Form slag by combining with impurities
B Supply heat by undergoing exothermic reaction with impurities
C Reduce the coke consumption
D Reduce slag viscosity
Weight of Sona is four times that of Mona. Weight of Mona is 2.5 times of Hona. Weight of Hona is 1.5 times of Dhona. Weight of Dhona is 2.5 times of Rona. Who is the heaviest?
A Mona
B Sona
C Hona
D Dhona
Pig iron is produced by blast furnaces in India using mostly the iron ore named
A Hematite
B Magnetite
C Siderite
D Chalcopyrite
Blast furnace slag is mainly molten
A Sand
B Magnesium silicate
C Calcium silicate
D Iron pyrite
Jony weighs twice as much as Suzan's. Suzan's weight is 60% of Sami's weight. Manik's weight is 50% of Lynda's weight. Lynda weight 190% of Jony's weight. Which of these 5 people weight the least?
A Suzan
B Manik
C Lynda
D Sami
Alam weighs twice as much as much as Marina. Marina's weight is 60% of Robin's weight. Drabir weight 50% of Lima's weight. Lima weight 190% of Alam's weight. Which of these 5 people weight the least?
A Robin
B Lima
C Drabir
D Marina

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