IEC FIRST YEAR EXAM STUDY WITH QUESTIONS AND WELL VERIFIED ANSWERS [GRADED A+] ACTUAL EXAM 100%
2 views 0 purchase
Course
IEC FIRST YEAR
Institution
IEC FIRST YEAR
IEC FIRST YEAR EXAM STUDY WITH
QUESTIONS AND WELL VERIFIED
ANSWERS [GRADED A+] ACTUAL
EXAM 100%
What is the result if the neutral wire becomes open on a multiwire
circuit having unequal loads? - ANS---The load of higher
resistance would overheat and probably be damaged.
Refer to the pan...
IEC FIRST YEAR EXAM STUDY WITH
QUESTIONS AND WELL VERIFIED
ANSWERS [GRADED A+] ACTUAL
EXAM 100%
What is the result if the neutral wire becomes open on a multiwire
circuit having unequal loads? - ANS✔✔---The load of higher
resistance would overheat and probably be damaged.
Refer to the panel schedule shown in Figure 128.231. If the
neutral is removed from the neutral bar, ___ volts will be applied
to the TV. - ANS✔✔---150
A 12/3 cable is installed from a 120/240-V, 1Ø panel and feeds a
split-wired duplex receptacle. One "hot" is connected to a 20A
breaker in panel space 1. The second "hot" is connected to a 20A
breaker in space 3. A 16-amp load is connected to the upper
receptacle and a 14-amp load is connected to the lower
, receptacle. Which of the following will happen if the neutral is
removed from the receptacle? - ANS✔✔---Because a higher
voltage will be applied, 120-volt equipment could be destroyed.
Refer to Figure 129.106. With the equipment energized and the
power used by the element connected at T3 & T4 is 0.3kW, the
power used by the equipment (all 4 elements) ___. - ANS✔✔---
is 1.2 kW
- ANS✔✔---
A short length of EMT is run between two panels. The ampacity
values for the conductors in this EMT need not be derated, as
long as the length of the EMT does not exceed ___. - ANS✔✔-
--24 in.
An extension ladder should extend ___ feet above the top of the
building and be secured. - ANS✔✔---3ft.
What is the monthly energy cost to operate a 250-watt high-
pressure sodium lamp? Electricity costs $0.15 per kW-hr and the
lamp will be ON for 8 hours per day. There are 30 days in a billing
month. - ANS✔✔---$9.00
The Code reference that specifies the type of disconnecting
means (circuit breaker for example) that can be used on a
multiwire branch circuit that feeds devices mounted on the same
yoke [a stack switch or a duplex receptacle for example] is ___. -
ANS✔✔---240.15(B)(1)
___ can be described as the point of demarcation between where
the serving utility ends and the premises wiring begins. -
ANS✔✔---Service Point
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 jackwa. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $21.99. You're not tied to anything after your purchase.
