HVAC Quiz

Quiz
•
Science
•
12th Grade
•
Hard
+5
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which soldering technique is preferred for joining copper pipes in HVAC systems?
Welding with a blowtorch
Silver soldering with flux
Using duct tape
Glueing with epoxy
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the safety precautions to be taken during HVAC soldering and brazing?
Using flammable materials
Wearing protective gear, ensuring proper ventilation, and using fire-resistant materials
Working in a poorly ventilated area
Not wearing protective gear
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Explain the role of filler metal in brazing for HVAC applications.
Filler metal in brazing for HVAC applications is used to create a weak joint between the base metals.
Filler metal in brazing for HVAC applications is used to cool down the base metals.
Filler metal in brazing for HVAC applications is used to repel the base metals.
Filler metal in brazing for HVAC applications is used to join the base metals together by capillary action and create a strong, leak-tight joint.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does the temperature requirement differ between soldering and brazing in HVAC?
Brazing requires lower temperature
Soldering and brazing require the same temperature
Temperature requirement is not a factor in soldering and brazing
Soldering requires lower temperature
Tags
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dewpoint is an absolute measure of how much moisture in the air
True
False
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dew Point is the
temperature air cools down to reach condensation (or turn into a liquid)
temperature where ice melts to liquid water
temperature where ice turns directly into water vapor
time of day when dew on the ground disappears
Tags
NGSS.MS-ESS2-4
NGSS.MS-ESS2-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What will happen if the relative humidity is 100%, and the temperature begins falling?
The air will be sticky and uncomfortable
Dew will form
The temperature will rise
The atmospheric pressure will fall
Tags
NGSS.MS-ESS2-4
NGSS.MS-ESS2-5
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