Exam (elaborations)
HVAC Excellence exam study guide #2
- Course
- Institution
HVAC Excellence exam study guide #2
[Show more]
Content preview
Name: Score:80 Multiple choice questions
Term 1 of 80
The capacitor start-capacitor run (cscr) motor provides
Grounded condition
Number of stator poles
High start and running torque
Decrease
Term 2 of 80
What would be the result, if a 24 volt, 20-ohm low voltage contractor coil were wired in series
with a 24 volt, 200-ohm control relay coil?
Change the position of any two supply wires
Inductive reactance
Only the control relay would operate
Good clean contacts
Term 3 of 80
Like charges
Secondary side
Three supply lines
Electric motor
Repel each other
,Term 4 of 80
What is the minimum number of wires required between two start/stop push button controls?
1200 watts
208
10
3
Term 5 of 80
Which of the following is generally considered to be within the maximum allowable (plus or
minus) supply voltage variation?
Ohmmeter
37.5MFD @440VAC
W= E times I
5%
Term 6 of 80
The voltage to ground of a "high leg" or "stinger leg" on a three phase open Delta system will be
approximately;
746
108
120
208
, Term 7 of 80
The electric meter on a house measures the ____ passing through it.
Resistance
Amperage
Voltage
Wattage
Term 8 of 80
When the temperature of a negative temperature coefficient (NTC) thermistor increases, its
resistance will
Increase
Decrease
Grounded Condition
Lower
Term 9 of 80
Which of the following is equal to 100 milliamps?
2,100 watts
.9 ampres
.10 ampres
.110 ampres
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller stuuviaa. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now