Fan Laws #1 + Night 3
Authored by Bryan Morris
Other, Physics, Mathematics
University
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
CFM2/CFM1=RPM2/RPM1
to solve for RPM2 if we rearrange the equation to?
RPM2= CFM2/CFM1xRPM1
RPM2= RPM1x(CFM1/CFM2)
RPM2= RPM1xCFM2/CFM1
RPM2= CFM2/CFM1/RPM1
2.
MULTIPLE CHOICE QUESTION
1 min • Ungraded
True of False
CFM= Flow x Area
True
False
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Velocity is the AVERAGE velocity in a test section of duct?
True
False
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
When we measure our duct work in inches we multiply by 144" to turn our area into feet?
True
False
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Belt tension is critical and should ALWAYs be checked with a belt tension gauge!
True
False
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
2 Types of Misalignment are Angular and Parallel
True
False
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the safest ways to measure the RPM of a shaft?
Touching the shaft with a Tachometer to the shaft
Putting a sticker on he shaft and using a photo Tachometer
Using a Stroboscope
Using a Tachometer with the wheel on it pressed against the belt
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