Recent questions tagged reactor

Description : Give comparison of BWR and PWR. 

Last Answer : Sr.No.  Points Boiling Water Reactor (BWR) Pressurized Water Reactor (PWR)  1 Construction It consist of reactor vessel & there is no heat exchanger It consist of strong ... 2600c 8 Cooling Light or heavy water  Light or heavy water but under pressure 

Description : State the function of biological shielding in case of Nuclear Reactor and give material used for it.

Last Answer : Function of biological shielding in Nuclear Reactor:  Shielding is provided to absorb alpha, beta particles and gama rays which are produced during nuclear chain reaction (fission process) The ... of Water or concrete wall are provided all around the reactor vessel for stopping neutrons. 

Description : Explain the purpose of shielding and reflector in a nuclear reactor.

Last Answer : 1. Shielding:-  The function of sheilding is to protect environment, humens and animals from the harmful radioactive radiation (pollution).before they are emitted to atmosphere. Shilding is provided to ... :- The function of reflector is to reflect back the neutrons which are leaving from core.

Description : Explain working of fast breeder reactor.

Last Answer : Fast Breeder Reactor (FBR):  A fast breeder reactor produces heat and at the same time converts fertile material into fissionable material. The central portion of this reactor is a stainless ... or thermal neutrons. In fact no moderator is present at all to slow down the fast neutrons. 

Description : Explain the operation of advanced gas cooled reactor.

Last Answer : Operation:- Carbon dioxide or Helium is the gas used for transferring the heat produced form the reactor core to the Heat exchanger. The gas is pumped through the reactor core at high pressure. In heat ... The AGR was designed to have a high thermal efficiency 40 %. Steam pressure is 162 Kg/cm2 

Description : Which of the following is true with respect to a breeder reactor? A) Its conversion ratio is greater than 1  B) It is capable of generating more fissile material than it consumes C) Both A and B  D) None of these

Last Answer : Which of the following is true with respect to a breeder reactor? A) Its conversion ratio is greater than 1  B) It is capable of generating more fissile material than it consumes C) Both A and B  D) None of these

Description : Saturated Reactor (SR)

Last Answer : Saturated Reactor (SR) Saturated reactor is use for controlling reactive power. It consists of reactor and shunt capacitor bank. It is like a magnetic ... called amplification factor. The disadvantage of saturated reactor is its slow response.

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