Related Questions

Phosphatic fertiliser is graded based on its __________ content.
A P2O3
B PCl5
C P2O5
D H3PO4
Phosphatic fertilisers
A Are useful during early stage of the plant growth
B Accelerate fruit formation in later stages of growth
C Lessen the effect of excessive nitrogen application
D None of these
Rock phosphate used for the production of phosphatic fertiliser is mined at
A Amjhor (Jharkhand)
B Talchar (Orissa)
C Bailladella (M.P.)
D Kiriburu (Bihar)
If you need 98 ounces of iron and 2 ounces of carbon to make a sheet of steel. How much iron you need in ounces to make 12 sheet steel?
A 98
B 50
C 49
D 198
__________ iron is produced by the annealing of white cast iron.
A Malleable
B Nodular
C Ductile
D Grey
__________ iron is produced, when molten pig iron is allowed to cool gradually.
A White cast
B Grey cast
C Wrought
D None of these
__________ iron is produced, when molten pig iron is chilled suddenly.
A White cast
B Grey cast
C Wrought
D None of these
Cast iron and steel pipes are produced by __________ casting.
A Die
B Investment
C Slush
D True centrifugal
The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
A Cementation process
B Crucible process
C Bessemer process
D Open hearth process
Nodular cast iron is produced by adding ________ to the molten cast iron.
A Nickel
B Chromium
C Copper
D Magnesium

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