Which of the following has the least carbon percentage ?

Related Mcqs:

1. Low carbon steels are those in which carbon percentage is around____________________?

   A. 0.1 to 0.35
   B. 0.4 to 0.7
   C. 0.8 to 1.5
   D. 1.5 to 2

2. Carbon percentage in medium carbon steel is around__________________?

   A. 0.1 to 0.35
   B. 0.35 to 0.5
   C. 0.8 to 1.4
   D. 1 to 1. 5

3. Which one contains the least percentage of carbon ?

   A. Wrought iron
   B. High speed steel
   C. Cast iron
   D. Pig iron

4. High carbon steel contains more than _____________ percent carbon?

   A. 0.5
   B. 2.2
   C. 2.5
   D. 2.8

5. Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?

   A. Nuts
   B. Bolts
   C. Chisels
   D. Studs

6. Carbon content in plain carbon steel is ______________ percent?

   A. 0.1 to 0.15
   B. 0.35 to 0.45
   C. 0.65 to 0.80
   D. 0.85 to 1.2

7. Which of the following contains maximum percentage of carbon ?

   A. Boiler plate steel
   B. Rail steel
   C. Saws for cutting steel
   D. Railway spring steel

8. With increase in the carbon percentage in the steel, its__________________?

   A. Hardness increases
   B. Ductility reduces
   C. Tensile strength increases
   D. All A., B. and C.

9. Carbon percentage is the same in cast iron and_________________?

   A. Wrought iron
   B. Pig iron
   C. Mild steel
   D. High silicon (14%) iron

10. Which of the following finds the least commercial use ?

    A. Pure iron
    B. High silicon iron
    C. Low carbon steel
    D. High carbon steel