Exam (elaborations)
Electric PMMI With Questions And 100% ALL CORRECT ANSWERS
- Course
- Institution
Electric PMMI With Questions And 100% ALL CORRECT ANSWERS
[Show more]
Seller
Follow
Content preview
JACKLINEElectric PMMI With Questions And 100% ALL CORRECT ANSWERS
Terms in this set (54)
A fatal current can be as small as... 0.1A
Which of the following describes how a GFCI A GFCI interupts a circuit as soon as it detects a current leakage.
differs from a fuse of a circuit breaker?
When testing a manual switch, one must isolate it Check for resistance change.
from the circuit and place a multimeter across its
input leads. While operating the switch, which of
the following is the next step?
A pump controlled by a manual motor starter has Let the overload cool down and try again.
stopped. A technician arrives and presses the
overload reset button. The motor runs only when
the button is held pressed. Which of the following
is the more appropriate next step?
Which of the following initiates the action control Input voltage.
of a relay?
The purpose of the NEC is to: Safeguard people and property from electrical hazards.
Electric PMMI
1/5
, Which of the following is the function of each of Black = Hot
the wires represented by color in a typical three Green = Ground
wire AC cord? White = Neutral
Which of the following affects the calculation of Current, Length of Wire, and Cross-sectional area of wire.
voltage drop in a conductor?
Which of the following is NOT a type of an Fuse.
overload device on a magnetic motor starter?
Which of the following provides overcurrent Fuses & Circuit Breakers.
protection?
Which of the following statements is true of a It will deliver 25 volts to the secondary, the current in the secondary will be four times higher than
step-down transformer with a 4:1 turns ratio and the primary, and the power available at the secondary winding will be the same as the primary.
100 volts supplied to its primary winding?
Power is equal to voltage times: Current.
A voltmeter is connected in a circuit by: Placing the test leads in parallel with the circuit device.
In a parallel circuit, total current is equal to: The sum of the individual branch circuit current.
Which of the following is the opposition to current Resistance.
flow?
Which of the following is the purpose of the frame To identify the motor mechanical arrangement.
number on a motor nameplate?
How many degrees apart are the phases of a 120.
balanced, three-phase system?
Suppose there is a three-phase, four-wire wye 240.
transformer secondary connection. If the phase-
to-phase voltage is 480 VAC, what is the phase-
to-phase neutral voltage?
Which of the following is the function of an It opposes change in current flow.
inductor?
The technique of using a capacitor to "smooth out" Filtering.
the changes in DC voltage is called:
Electric PMMI
2/5
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 Queenstin. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78121 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now