Types of Nuclear Reactors Quiz

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What is the difference in the steam generator between the WWER reactor in Russia and reactors abroad?

Horizontal in Russia and vertical abroad

Which type of reactor uses carbon dioxide or helium as a coolant?

GCR reactor

In which country are PHWR reactors like the CANDU reactor primarily used?

Canada

What is the working fluid in PWR reactors?

<p>Superheated steam</p> Signup and view all the answers

What is the main difference between PHWR and PWR reactors?

<p>Type of coolant</p> Signup and view all the answers

Which type of reactor does not have a Russian analogue?

<p>AGR reactor</p> Signup and view all the answers

What is the main cooling fluid used in a pressurized water reactor (PWR)?

<p>Light water</p> Signup and view all the answers

Which type of reactor has no foreign analog and is known as RBMK in Russia?

<p>Light water cooled graphite moderated reactor</p> Signup and view all the answers

What is the main characteristic feature of an Advanced Gas-cooled Reactor (AGR)?

<p>Operates at high temperatures</p> Signup and view all the answers

In a Boiling Water Reactor (BWR) diagram, what does number 4 represent?

<p>Recirculation pump</p> Signup and view all the answers

What is the typical thermal power output of a Light Water Cooled Graphite Moderated Reactor (LWCGR)?

<p>3579 MW</p> Signup and view all the answers

Which type of reactor is associated with CANDU, which stands for Canada Deuterium Uranium?

<p>Pressurized heavy water reactor</p> Signup and view all the answers

What is responsible for self-compensation in heat-exchange tubes with a compensating bend in the project of SG BN-600?

<p>Special compensators on casing</p> Signup and view all the answers

Which layout pattern is mentioned for the arrangement of heat-exchange tubes in a tube bundle?

<p>Chess-like</p> Signup and view all the answers

What type of surface geometry can heat-exchange tubes have according to the text?

<p>Uneven or smooth</p> Signup and view all the answers

In which type of tube mounting method are tubes mounted in cylindrical headers?

<p>SG VVER</p> Signup and view all the answers

What is one of the types of self-compensation mentioned for heat-exchange tubes with liquid metal coolant?

<p>Radial ribs on tubes</p> Signup and view all the answers

Which type of SG has tubes mounted in plane tube sheets?

<p>SG WWER</p> Signup and view all the answers

What is one of the disadvantages of centrifugal separators?

<p>Mixture inlet in centrifugal separators</p> Signup and view all the answers

How is the heat transfer surface in thermal maldistribution described?

<p>Consists of parallel-channel heated tubes</p> Signup and view all the answers

What is enthalpy rise used to calculate for an individual tube?

<p>Heat flux density</p> Signup and view all the answers

What factors contribute to adjustment calculations to prevent thermal maldistribution?

<p>Variation of operational parameters</p> Signup and view all the answers

Why is it stated as impossible to ensure constant flow rate of the medium for all tubes?

<p>Because of practical constraints</p> Signup and view all the answers

What is the main focus when discussing ways to prevent thermal maldistribution?

<p>Moderation of steam generator load</p> Signup and view all the answers

What is the significance of the temperature ts2 on the tQ-diagram of a superheated steam generator?

<p>It denotes the saturation temperature at pressure p2</p> Signup and view all the answers

What allows for secondary superheating in SGs heated by liquid metal coolants?

<p>High-temperature coolant Na</p> Signup and view all the answers

In the context of secondary superheating, why is it important to identify the maximum inlet temperature t’1?

<p>To ensure a reliable temperature of the reactor</p> Signup and view all the answers

What does low-temperature secondary superheating in SGs of NPP with liquid metal coolants refer to?

<p>Secondary superheating using coolants at lower temperatures</p> Signup and view all the answers

What is the primary function of a Nuclear Power Plant Steam Generator (SG) in the NPP cycle?

<p>Heating up the feedwater to produce steam</p> Signup and view all the answers

What does LMC stand for in the context of superheated steam generators?

<p>Liquid Metal Coolant</p> Signup and view all the answers

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