Brittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?

Related Mcqs:

1. Brittleness induced due to the presence of sulphur in steel can be reduced by adding______________?

   A. Manganese
   B. Magnesium
   C. Vanadium
   D. Copper

2. Elimination of brittleness resulting from welding of saw blades is done by __________________ of the welded portion ?

   A. Annealing
   B. Toughening
   C. Work hardening
   D. Tempering

3. The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element ?

   A. Silicon
   B. Carbon
   C. Phosphorous
   D. Chromium

4. Maximum permissible sulphur content in steel is ______________ percent ?

   A. 0.015
   B. 0.055
   C. 0.505
   D. 0.805

5. Presence of nickel & chromium in steel does not raise its _________________?

   A. Elastic limit
   B. Machining properties
   C. Ductility
   D. Resilience

6. Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?

   A. 5-10
   B. 1000-1500
   C. 120-500
   D. 1500-3000

7. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of _______________ steel bars?

   A. Hot rolled mild
   B. Cold rolled mild
   C. Forged
   D. Machinable stainless

8. Steel containing low percentage of nickel, chromium & tungsten are termed as the _____________ steel ?

   A. Wrought
   B. Tool
   C. Alloy
   D. Plain carbon

9. Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal_________________?

   A. Tensile strength
   B. Compressive strength
   C. Young’s modulus
   D. Thermal co-efficient of expansion

10. The ‘transition temperature’ for ductile to brittle behavior of steel increases with increase in the _____________ content in steel?

    A. Carbon
    B. Manganese
    C. Both A nor B
    D. Neither A nor B