A. Carbon content
B. Tensile strength
C. Hardness
D. Manufacturing process
Related Mcqs:
- White cast iron as compared to grey cast iron is ________________?
A. More durable
B. Very brittle
C. Very hard
D. All A., B. & C. - 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) - The most distinguished property of malleable cast iron is its high_________________?
A. Ductility
B. Hardness
C. Malleability
D. None of these - Cast iron detachable joint is used in __________ pipes.
A. Steel
B. Cast iron
C. Asbestos cement
D. Reinforced cement concrete - Cast iron vessels are not suitable for the storage of_________________?
A. Freon
B. H2SO4 (95%) at room temperature
C. H2SO4 (fuming)
D. Wet SO2 - Presence of high amount of silicon in cast iron________________?
A. Suppresses the decomposition of Fe3C
B. Increases the formation of graphite
C. Increases the contraction of the metal
D. Reduces its fluidity - Cast iron and steel pipes are produced by ____________ casting?
A. Die
B. Investment
C. Slush
D. True centrifugal - With increase in carbide/graphite ratio in cast iron, its__________________?
A. Hardness & brittleness increases
B. Ductility decreases
C. Both A. and B.
D. Neither A. nor B. - Presence of high phosphorous in cast iron increases its____________________?
A. Fluidity
B. Melting point
C. Shrinkage
D. Tensile strength - Which one is remelted and poured into moulds to get cast iron ?
A. Wrought iron
B. Pig iron
C. Low carbon steel
D. Mild steel