Biological shield in a nuclear power reactor is made of________________?

Related Mcqs:

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

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

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. Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of__________________?

   A. Stainless steel or glass lined steel
   B. Nickel clad steel
   C. High silicon cast iron
   D. Aluminium

4. Reactor used in the production of polyvinyl chloride (PVC) is made of____________________?

   A. Nickel or glass lined steel
   B. Aluminium
   C. Tantalum
   D. Lead

5. Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of__________________?

   A. Cast iron
   B. Stainless steel or glass lined vessel
   C. Karbate
   D. Wrought iron

6. Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with_____________________?

   A. Karbate
   B. Lead or glass
   C. Fireclay bricks
   D. PVC

7. Bearings subjected to light load are made of________________?

   A. White metal
   B. Phosphorous bronze
   C. Monel
   D. Silicon bronze

8. Carbon tetrachloride can be stored in a storage vessel made of________________?

   A. High silicon iron (14% Si)
   B. Tin
   C. Stainless steel
   D. All A., B. and C.

9. In the Kraft (sulphate) process for the paper manufacture, the digestor is made of________________?

   A. Cast iron
   B. Stainless steel
   C. Karbate carbon
   D. Wrought iron

10. Interchain forces are the weakest in case of________________?

    A. Plastics
    B. Fibres
    C. Elastomers
    D. Both rubber & elastomers