The product out from a cupola is called ____________________?

Related Mcqs:

1. Which of the following is not a charge material for cupola ?

   A. Limestone
   B. Iron scrap
   C. Iron ore
   D. Pig iron

2. Cupola produces _________________ iron?

   A. Pig
   B. Cast
   C. Wrought
   D. Carbon free

3. Production of a hollow product by inflation of a tube or parison is called the _______________ process?

   A. Blow moulding
   B. Calendaring
   C. Extrusion
   D. Injection

4. Rain drops falling through atmospheric air attain limited terminal velocity, because of ____________________?

   A. Upward thrust due to air
   B. Viscous force exerted by air
   C. Surface tension effects of water
   D. Force of gravity

5. Current employed in resistance welding ranges from ____________________ kVA/cm2?

   A. 1.2 to 2.5
   B. 4.5 to 6.2
   C. 7.5 to 8.5
   D. 10.5 to 15.5

6. ____________________ flux is used for the extraction of metal from its self fluxing ores?

   A. No
   B. Acid
   C. Basic
   D. Neutral

7. The minimum carbon content in steel should be ____________________ percent for it to respond to a hardening treatment ?

   A. 0.2
   B. 0.4
   C. 0.6
   D. 0.8

8. Closeness of packing is maximum in case of ____________________ crystal lattice?

   A. Face centred
   B. Simple cubic
   C. Body centred
   D. None of these

9. Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity) ____________________?

   A. 1/k
   B. k
   C. k2
   D. 1/k2

10. Consumable electrodes are used in the ____________________ welding?

    A. Gas
    B. Arc
    C. Thermit
    D. Resistance