Mod 3 - 2 Flashcards
Reactor Plant Materials
Materials with high __________ strength can be pulled with extreme force before breaking.
tensile
Flow-accelerated corrosion is an example of __________________.
localized corrosion
Site Chemistry personnel ensure that _________ is within a set band to promote the formation of a _________________.
Dissolved oxygen; passive corrosion layer
________ flow introduces more ___________ to the corrosion site and increase the corrosion process.
High; oxygen
Irradiation of metal with neutrons causes the ductility of the metal to __________ and makes the metal more ___________.
decrease; brittle
If the mass of an object in motion is multiplied by the rate of acceleration, the product is the amount of ____________ the object is generating.
force
An increase in _________, ____________ or ____________ can increase corrosion rates.
temperature; oxygen; flow
The _______________ measures how a material changes size with temperature.
rate of thermal expansion
Cavitation erosion occurs due to the formation of __________, which collapse under ___________ and direct a microjet into the metal surface.
bubbles; high-pressure
Thermal and Electrical ___________ describe the material’s ability to transfer _________ and __________.
conductivity; heat; current
In order for metal to be pulled into wire, it must have high
ductility
A material that returns to its original shape after the removal of an outside force has good _______________.
elasticity
Which of the following is a method for minimizing erosion corrosion?
Removing elbows from system piping
How would you describe the general structure of a metallic bond?
Crystal Lattice
The elastic limit is associated with the maximum force that can be applied before it will _____________.
yield
Which of the following is best described as a rotational force?
Torque
This form of corrosion is gradual and is not regularly associated with component failures.
general corrosion
Which of the following can help reduce system corrosion?
Using specific metal alloys
