100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
IEC year 2 final review Questions and Correct Answers Latest Update, Graded A+ $12.49   Add to cart

Exam (elaborations)

IEC year 2 final review Questions and Correct Answers Latest Update, Graded A+

 10 views  0 purchase
  • Course
  • IEC
  • Institution
  • IEC

efer to the information shown in Figure 234.151. When the tap for Motor 3 terminates in a safety switch, the maximum permitted size for DETD fuses in this switch would be _____ A. o :## 15 Refer to the information shown in Figure 234.151. When the tap for Motor 1 terminates in a breaker enc...

[Show more]

Preview 3 out of 25  pages

  • August 22, 2024
  • 25
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IEC
  • IEC
avatar-seller
ExamArsenal
1|Page : 2024 | Grade A+




IEC year 2 final review Questions
and Correct Answers Latest Update,
Graded A+

Refer to the information shown in Figure 234.151. When the tap for Motor 3

terminates in a safety switch, the maximum permitted size for DETD fuses in this

switch would be _____ A.

o :## 15



Refer to the information shown in Figure 234.151. When the tap for Motor 1

terminates in a breaker enclosure, the maximum permitted size for an ITCB in this

enclosure would be ____ A.

o :## 70



Refer to the information shown in Figure 234.151. When th etap for Motor 3

terminates in a breaker enclosure, the maximum permitted size for an ITCB in this

enclose would be ____ A.

o :## none of these



Voltage Drop Scenario #3

The distance between the panel and a load is 150 feet. The circuit to the load

consists of two 12 AWG solid copper coated conductors that are connected to a 1-




Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update

,2|Page : 2024 | Grade A+


pole breaker in a 277/480-volt, 3Ø, 4-wire panel and the neutral bar. The load

draws 9.8 amps.




Refer to Voltage Drop Scenario #3. If the voltage drop is to be limited to 2.2%, this

is ___ volts.

o :## 6.09



Refer to Figure 221.404. The voltage applied to Heating Element B is ___ volts.

o :## 138.6



Refer to the nameplate and heater selection table, shown above in Figure 230.122.

For a correctly sized starter, the heater catalog number for the heaters is ___.

This motor is supplied power from a 120/240-volt, 3-phase, 4-wire panelboard.

o :## B32



Refer to the nameplate shown in Figure 230.122. The branch circuit for the motor

is supplied from a 240/120-volt, 3Ø, 4-wire panelboard. What is the minimum size

(3 wire + ground) SO cord that could be used as a flexible connection for the

motor?

o :## 8



Refer to the nameplate shown in Figure 230.122. This motor should draw ___ amps

at rated voltage when connected to Circuit 4-6-8 that is fed from a 3-pole breaker

in a 120/240-volt, 3Ø, 4-wire panelboard.



Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update

, 3|Page : 2024 | Grade A+


o :## 18.6



Two lighting circuits are supplied from a multiwire branch circuit that originates in

a 120/240 volt, 1Ø, 3-wire panelboard. Two, 20 Amp, 1-pole breakers are installed

in spaces 22 & 24 for the multiwire circuit. Circuit 22 has 2600 watts of lights

connected to it, and Circuit 24 has 2100 watts of lights connected to it. Which of

the following should happen to Circuit 22?

o :## An overload will occur and the breaker will trip.



Refer to Figure 221.402. If Ammeter 2 indicates 38.5 amps, the generator is

delivering ___ kW of power.

o :## 16.0



The service disconnecting means for a 3-phase service is permitted to consist of

___.

o :## any of the above



Nontime-delay fuses are to be installed in a safety switch adjacent to a motor. See

Figure 230.225. Fuses with a rating not exceeding ___ A are permitted.

o :## 100



The classification of a location, where ignitable concentrations of flammable

liquid-produced vapors or combustible liquid-produced vapors exist under normal

operating conditions, is ___.




Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 ExamArsenal. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

80364 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.49
  • (0)
  Add to cart