HVAC FINAL
Quiz
•
Professional Development
•
Professional Development
•
Practice Problem
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Medium
Robert Vaughn
Used 10+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
–If an excessive amount of bubbles are dissolved in coolant it becomes aerated and reduces its ability to __________ _____________.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
–As coolant heats up, it _______ and must be ____________if it leaves the pressurized part of the cooling system.
expands, captured
contracts, released
contracts, captured
expands, released
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When coolant cools down, it contracts and is drawn back in the _____________ ________________.
cooling system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____________ ___________ in contact with coolant causes a chemical reaction, leads to corrosion.
Dissimilar Plastic coming in contact with coolant
Dissimilar Rubber coming in contact with coolant
Dissimilar Glass coming in contact with coolant
Dissimilar Metals coming in contact with coolant
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coolant additives must minimize ________________.
corrosion
pressure
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 0.06” layer of scale will reduce heat transfer by________%.
40%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cooling system is designed to transfer ________.
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