A. White cast
B. Grey cast
C. Wrought
D. None of these
Related Mcqs:
- ______________ iron is produced, when molten pig iron is allowed to cool gradually?
A. White cast
B. Grey cast
C. Wrought
D. None of these - 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 - Chilled iron castings are__________________?
A. Easily machinable
B. Soft on surface
C. Highly wear resistant
D. None of these - Very high sulphur in pig iron makes ___________________?
A. Its casting unsound
B. Its hard and machinable
C. Its brittle and malleable
D. All A., B. & C. - White cast iron as compared to grey cast iron is ________________?
A. More durable
B. Very brittle
C. Very hard
D. All A., B. & C. - Molten phthalic anhydride is stored in a/an _______________ vessel?
A. Aluminium
B. Nickel clad steel
C. Lead lined steel
D. Glass lined steel - Cast iron and steel pipes are produced by ____________ casting?
A. Die
B. Investment
C. Slush
D. True centrifugal - Wrought iron is a suitable material of construction for handling _____________ solutions?
A. Dilute acidic
B. Concentrated acidic
C. Alkalis & alkaline
D. None of these - Wrought iron is a suitable material of construction for handling _____________ solutions?
A. Dilute acidic
B. Concentrated acidic
C. Alkalis & alkaline
D. None of these - Containers made of high silicon cast iron (14% Si) are not suitable for the storage of ____________________?
A. Acetic acid
B. Benzoic & boric acids
C. Phosphoric acid (95%) & sulphuric acid (95%)
D. Hydrochloric acid (concentrated)
