Addition of ______________ to the steel helps in increasing the residual magnetism in steel used for making magnets?

Related Mcqs:

1. Residual magnetism in steel for magnets is increased by the addition of__________________?

   A. Nickel
   B. Cobalt
   C. Tungsten
   D. Chromium

2. Addition of ______________ in steel is helpful in increasing the depth of hardness?

   A. Chromium
   B. Sulphur
   C. Vanadium
   D. Tungsten

3. Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its__________________?

   A. Corrosion resistance
   B. Tensile strength
   C. Machinability
   D. Compressive strength

4. Addition of _____________ in steel can help in increasing the depth of hardness?

   A. Nickel
   B. Chromium
   C. Vanadium
   D. Tungsten

5. Addition of 2% nickel in steel makes it suitable for making ___________________?

   A. Electronic valves
   B. Boiler plates, rivets etc.
   C. Turbine blades
   D. Connecting rod

6. Austenitic manganese steel used for making jaws of crushing machines contains about ______________ percent manganese?

   A. 1.5-2
   B. 3.5-4.5
   C. 7-9
   D. 12-14

7. Steel balls for ball bearings are generally made of ______________ steel?

   A. Cast
   B. Stainless
   C. Free carbon
   D. Carbon chrome

8. Mild steel is a/an ______________ steel?

   A. Low carbon
   B. Medium carbon
   C. High carbon
   D. High alloy

9. Addition of tungsten to steel imparts___________________?

   A. Magnetic properties
   B. Cutting hardness
   C. Corrosion resistance
   D. Ductility

10. Corrosion resistance of steel is increased by the addition of_________________?

    A. Phosphorous and tungsten
    B. Nickel and chromium
    C. Lead and vanadium
    D. Molybdenum and tungsten