Steel contains____________________?

Related Mcqs:

1. The hardness of steel increases if it contains____________________?

   A. austenite B. martensite C. pearlite D. cementite E. all of the above...

2. Dow metal contains____________________?

   A. 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe B. 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg C. 90% aluminium and 90% copper D. 90% magnesium and 9% aluminium with some copper E. 90% magnesium and 10% tin...

3. Phosphor bronze contains____________________?

   A. 0.5% of phosphorous B. 1% phosphorous C. 2.5% phosphorous D. 5% phosphorous E. none of the above...

4. Hardness of steel depends on_________________?

   A. amount of carbon it contains B. the shape and distribution of the car-bides in iron C. method of fabrication D. contents of alloying elements E. the quality of ore from which it is made...

5. Depth of hardness of steel is increased by addition of_________________?

   A. nickel B. chromium C. tungsten D. vanadium E. ell of the above...

6. Corrosion resistance of steel is increased by addition of________________?

   A. chromium and nickel B. sulphur, phosphorus, lead C. vanadium, aluminium D. tungsten, molybdenum, vanadium, chromium E. zinc...

7. A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as_________________?

   A. allotropic change B. recrystallisation C. heat treatment D. precipitation E. austempering...

8. Tungsten in high speed steel provides________________?

   A. hot hardness B. toughness C. wear resistance D. sharp cutting edge E. cold hardness...

9. Cold rolled steel sheets contain carbon of the following order___________________?

   A. 0.1% B. 0.2% C. 0.4% D. 0.6% E. 0.8%...

10. Steel made from phosphatic iron is_________________?

    A. brittle B. hard C. ductile D. tough E. malleable...