Control Rods Nuclear Reactor - MCQs with answers
Q1. Graphite and beryllium can be used as_____________ in a nuclear plant.a. Control rods
b. Moderator
c. Coolant
d. Reflector
View Answer / Hide AnswerANSWER: b. Moderator
Explanation: The main purpose of the moderator is to reduce the neutron speeds to a value that increases the possibility of fission reaction, the main moderators are graphite, heavy water and beryllium. Ordinary water is used along with enriched uranium.
a. Germanium and beryllium
b. Hafnium
c. Cadmium and boron
d. Both (b) & (c)
View Answer / Hide AnswerANSWER: d. Both (b) & (c)
a. Square of the rate at which fission reaction occurs.
b. Square root of the rate at which fission reaction occurs.
c. The rate at which fission reaction occurs.
d. None of the above
View Answer / Hide AnswerANSWER: c. The rate at which fission reaction occurs.
