Exam (elaborations)
NATE EXAM: CORE ESSENTIALS QUESTIONS AND ANSWERS 2024
- Course
- Institution
NATE EXAM: CORE ESSENTIALS QUESTIONS AND ANSWERS 2024
[Show more]
Content preview
NATE EXAM: CORE ESSENTIALSa (The lower the power factor, the less efficient the motor is) - ANSWERS-How
does the power factor of an inductive motor affect efficiency?
a. The lower the power factor, the less efficient the motor is
b. The lower the power factor, the more efficient the motor is
c. The higher the power factor, the less efficient the motor is
d. The power factor has no effect on the efficiency of a motor
c (Shaded-pole) - ANSWERS-Which of the following single-phase ac motors does
not have a start winding?
a. Capacitor-start, capacitor-run
b. Permanent split-capacitor
c. Shaded-pole
d. Split-phase
c (75 to 80%) - ANSWERS-A centrifugal switch opens the start winding circuit
when a capacitor-start motor reaches approximately ____% of its full speed.
a. 50 %
,b. 60 to 70%
c. 75 to 80%
d. 90 to 100%
d (start, run) - ANSWERS-A run capacitor is always connected to the ____ and
____ terminals.
a. primary, secondary
b. run, common
c. start, common
d. start, run
c (start capacitor. Note: Terminal No. 1 on all potential relays is always connected
to the start capacitor. Terminal No. 2 is always connected to the start winding
terminal on the motor or compressor. Terminal No. 5 is always connected to the
common terminal of the motor or compressor.) - ANSWERS-Terminal No. 1 on all
potential relays is always connected to the ____.
a. common terminal
b. run terminal
c. start capacitor
d. start terminal
,c (2, 5) - ANSWERS-The coil of a voltage relay is between terminal ____ and
terminal ____ of the relay.
a. 1, 5
b. 1, 2
c. 2, 5
d. 3, 5
d (Three-phase) - ANSWERS-What type of ac motor has the highest starting
torque and the greatest efficiency?
a. Capacitor-start, capacitor-run
b. Permanent split-capacitor
c. Split-phase
d. Three-phase
c (9) - ANSWERS-How many terminals does a dual-voltage three-phase motor
have?
a. 3
b. 6
c. 9
d. 12
, a (aid the technician in finding the problem) - ANSWERS-The primary function of
any wiring diagram is to ____.
a. aid the technician in finding the problem
b. help the owner repair the problem
c. provide the location of the components
d. reduce repair time
a (One) - ANSWERS-How many functions is an individual circuit in a control system
designed to control?
a. One
b. Two
c. Three
d. Unlimited
c (switch) - ANSWERS-The five basic components common to all schematics are a
power supply, a path, a load, a legend, and a ____.
a. contactor
b. relay
c. switch
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 Teacher101. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82191 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now