ELECTRICIANS PRACTICE EXAM QUESTIONS & ANSWERS 100% CORRECT!!
0 view 0 purchase
Course
ELECTRICIANS P
Institution
ELECTRICIANS P
18. The entire area of an aircraft hangar, including any adjacent and communicating area not suitably cut off from the hanger, shall be classified as a Class I, Division 2 or Zone 2 location up to a level ______ above the floor.
A. 12 inches
B. 18 inches
C. 24 inches
D. 30 inches - ANSWERB 18...
ELECTRICIANS PRACTICE EXAM
QUESTIONS & ANSWERS 100%
CORRECT!!
18. The entire area of an aircraft hangar, including any adjacent and communicating area not suitably
cut off from the hanger, shall be classified as a Class I, Division 2 or Zone 2 location up to a level
______ above the floor.
A. 12 inches
B. 18 inches
C. 24 inches
D. 30 inches - ANSWERB 18 inches
513.3(B) pg 396
1. Disregarding exceptions, dry-type transformers located indoors having a rating of greater than
_____ shall be installed in a transformer room of fire-resistant construction.
A. 75 KVA
B. 87 1/2 KVA
C. 112 1/2 KVA
D. 50 KVA - ANSWERC- 112 1/2 KVA
450.21(B) pg 335
2. What is the MINIMUM height allowed for a fence enclosing an outdoor installation of 2,400 volt
electrical equipment?
A. 6 feet
B. 7 feet
C. 8 feet
D. 9 feet - ANSWERB - 60 7 feet
, 110.31 pg 49
3. Where power for equipment is directly associated with the radio frequency distribution system is
carried by the coaxial cable, and the power source is a power limiting transformer, what is the
MAXIMUM voltage this coaxial cable may carry?
A. 50 volts
B. 60 volts
C. 120 volts
D. 150 volts - ANSWERB - 60 volts
820.15 pg 656
4. Where a 15-ampere rated general-use ac snap switch is used as a disconnecting means for an ac
motor, the NEC requires the MAXIMUM full-load current rating of the motor to be NO more than
_________.
A. 7.5 amperes
B. 10 amperes
C. 12 amperes
D. 15 amperes - ANSWERC - 12 amperes
430.109(C)(2) pg 315
15 amperes x 80% = 12 amperes
5. Determine the MAXIMUM number of 125-volts, general-purpose receptacle the NEC permits to be
protected by a 20-ampere 120-volt, single-pole inverse time circuit breaker in a commercial
occupancy.
A. 18
B. 15
C. 13
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 ClassRep2. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
