Related Questions

The price of raw meterials had gone up by 15% labor cost has also increased from 25% of the cost of ras material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?
Which is the main reducing agent during production of iron from iron ore in a blast furnace?
The fuel mostly used in blast furnace for extracting pig iron from iron ores is
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.
The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon.
In the blast furnace, incorporation of water vapour in the blast gives the following effect.
Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent.
The inventory of raw materials included in the working capital is usually about __________ months supply of raw materials valued at delivery prices.
Operation of blast furnace stove is based on the principles of a __________ furnace.
Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight