Which one is remelted and poured into moulds to get cast iron ?

Related Mcqs:

1. White cast iron as compared to grey cast iron is ________________?

   A. More durable
   B. Very brittle
   C. Very hard
   D. All A., B. & C.

2. Cast iron is__________________?

   A. Used for making shock resisting parts
   B. Manufactured in cupola and is brittle
   C. Having compressive strength more than its tensile strength
   D. All A., B. & C.

3. The most distinguished property of malleable cast iron is its high_________________?

   A. Ductility
   B. Hardness
   C. Malleability
   D. None of these

4. Cast iron compared to steel is better in__________________?

   A. Ductility
   B. Fluidity & castability
   C. Strength
   D. Malleability

5. Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of___________________?

   A. Tungsten
   B. Vanadium
   C. Silicon
   D. All A., B. & C.

6. Cast iron is a ______________ material?

   A. Brittle
   B. Ductile
   C. Tough
   D. Malleable

7. Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property ?

   A. Silicon
   B. Phosphorus
   C. Sulphur
   D. None of these

8. Silicon percentage in acid resistant cast iron is about________________?

   A. 4
   B. 8
   C. 14
   D. 20

9. Cast iron has____________________?

   A. High ductility
   B. High malleability
   C. Very high tensile strength
   D. Its elastic limit very close to ultimate breaking strength

10. White cast iron is not__________________?

    A. Malleable
    B. Whitish in color
    C. Brittle
    D. Strong and hard