Nitriding of a steel part does not increase its__________________?

Related Mcqs:

1. Primary designation of steel is based on its__________________?

   A. Hardness & tensile strength
   B. Carbon content
   C. Iron content
   D. Alloying elements content

2. 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

3. __________________ of air does not increase with increase in temperature?

   A. Density
   B. Thermal diffusivity
   C. Viscosity
   D. Thermal conductivity

4. 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

5. The usual energy consumption in electric arc furnace steel making is _____________ KWh/ton of steel ?

   A. 60 – 100
   B. 400 – 700
   C. 1200 -1500
   D. 2000 – 2300

6. 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

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

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

8. 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

9. Corrosion of metals cannot be prevented by its__________________?

   A. Tempering
   B. Chromising
   C. Aluminising
   D. Alloying

10. The best guide to judge the general quality of water is the measurement of its__________________?

    A. pH value
    B. Electrical conductivity
    C. Turbidity
    D. Dissolved oxygen content