A pressurised water reactor (PWR) uses pressurised water as a___________________?

Related Mcqs:

1. Pressure in a Pressurised Water Reactor (PWR) is used for ____________________?

   A. Maintaining constant pressure in the primary cooling circuit under varying loads
   B. Superheating the steam
   C. Pressurising the water in the primary coolant circuit
   D. None of these

2. In a pressurised water reactor (PWR), the___________________?

   A. Fuel is natural uranium and heavy water acts both as moderator & coolant
   B. Coolant water boils in the core of the reactor
   C. Coolant water is pressurised to prevent bulk boiling of water in the core
   D. Use of moderator is not required

3. A thermal nuclear reactor compared to a fast breeder reactor ?

   A. Uses slower neutrons for fission
   B. Uses faster neutrons for fission
   C. Gives higher power density
   D. Requires less fuel to run at the same power level

4. Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?

   A. Deuterium and tritium
   B. U-233
   C. Thorium
   D. Heavy water

5. Candu reactor is a ______________ nuclear reactor?

   A. Natural uranium fuelled heavy water cooled & moderated
   B. Highly enriched uranium (85% U-235) fuelled
   C. Homogeneous
   D. Fast breeder

6. Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?

   A. 32
   B. 52
   C. 72
   D. 88

7. The most commonly used nuclear fuel in boiling water reactor is___________________?

   A. Enriched uranium
   B. Natural uranium
   C. Plutonium
   D. Monazite sand

8. Nuclear fuel usually used in a Boiling Water Reactor (BWR) is__________________?

   A. Plutonium
   B. Enriched uranium
   C. Natural uranium
   D. Thorium

9. Heavy water (D2O) in a nuclear reactor serves as a_______________?

   A. Coolant
   B. Moderator
   C. Both A. & B.
   D. Neutron absorber

10. A boiling water reactor is the one, in which the_______________________?

    A. Coolant water is allowed to boil in the core of the reactor
    B. Coolant water, after being heated in the reactor core, generates steam in a boiler
    C. Pressurised water is pumped into the core
    D. Fuel and the coolant are thoroughly mixed to form a homogeneous solution