EPRI Chemistry Test Chemistry Test EPRI Exam Lesson 1,
2, 3, 4, 5, 6, & 7 with All Questions and Answers
Major mechanical systems filled with water/steam in the plant:
- ANSWER >> reactor coolant, feedwater, component cooling,
service water
What are chemistry control systems in the plant used for? -
ANSWER >> to prevent corrosion
When does corrosion occur? - ANSWER >> any time metal
components are exposed to water
Purpose of properly controlled chemistry program: - ANSWER
>> -protect the reactor coolant system pressure boundary
integrity
-protect fuel cladding integrity and fuel performance
-minimize out-of-core radiation fields
-minimize corrosion of all secondary plant and auxilary system
components
All matter is composed of - ANSWER >> chemicals (elements or
compounds)
Fundamental units of elements: - ANSWER >> atoms
positively charged ion - ANSWER >> cation
, negatively charged ion - ANSWER >> anion
When two different atoms have the same number of electrons
in their outermost shell, - ANSWER >> they will have similar
chemical properties
a measure of the number of chemical bonds formed by the
atoms of a given element - ANSWER >> valance
positive valence - ANSWER >> electrons can be given up
negative valence - ANSWER >> electrons can be taken in
Reduction reaction - ANSWER >> -substance gains electrons or
is reduced
-reducing agent supplies additional electrons
Oxidation reaction - ANSWER >> -substance loses electrons or is
oxidized
-oxidizing agent takes away electrons
What model explans the factors that affect reaction rates -
ANSWER >> collision theory
What does an increase in temperature do to reaction rate -
ANSWER >> increase it
What does the presence of a catalyst do to reaction rate -
ANSWER >> increase it (lower activation energy)
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