Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of___________________?

Related Mcqs:

1. Biological shield in a nuclear power reactor is made of________________?

   A. Concrete
   B. Steel
   C. Cadmium
   D. Zircaloy

2. Zircaloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium_______________?

   A. Tin, nickel, iron and chromium
   B. And graphite
   C. And copper
   D. None of these

3. Coke oven walls are lined with _____________ bricks?

   A. Silica
   B. Tar-dolomite
   C. Low thermal conductivity
   D. Fire clay

4. The damage/deterioration of metals by the ______________ action of fluids is called ‘erosion’?

   A. Abrasive
   B. Corrosive
   C. Both A. & B.
   D. Neither A. nor B.

5. The chlorinator used in the manufacture of DDT is made of___________________?

   A. Glass
   B. Glass lined steel
   C. Teflon
   D. Bakelite

6. Gas holder of a gobar (cow-dung) gas plant is made of___________________?

   A. Molybdenum stainless steel
   B. Tin
   C. Mild steel
   D. Aluminium

7. The ‘bomb’ in the bomb calorimeter is made of___________________?

   A. Molybdenum stainless steel
   B. Mild steel
   C. High silicon iron (14% Si)
   D. Copper

8. Trough of an apron conveyor is made of___________________?

   A. Lead lined concrete vessel
   B. Wood
   C. Metal
   D. Either B. or C.

9. German silver used for decorative purposes contains maximum percentage of___________________?

   A. Silver
   B. Copper
   C. Zinc
   D. Nickel

10. The fermenter used in the production of penicillin (by deep fermentation process) is made of___________________?

    A. Glass
    B. Glass lined steel
    C. High silicon cast iron
    D. Porcelain