CNST 306 Final Exam Study Guide || All Answers Are Correct 100%.
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CNST 306
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CNST 306
Allowing metal shavings from a drilling operation to fall onto live parts of electrical equipment generally results in a(n) ____, which can cause deadly burns.
a. lockout
b. arc blast
c. tagout
d. pressure wave correct answers b. arc blast
The NEC defines a ______________ as one who has skil...
CNST 306 Final Exam Study Guide || All Answers Are
Correct 100%.
Allowing metal shavings from a drilling operation to fall onto live parts of electrical equipment
generally results in a(n) ____, which can cause deadly burns.
a. lockout
b. arc blast
c. tagout
d. pressure wave correct answers b. arc blast
The NEC defines a ______________ as one who has skills and knowledge related to the
construction and operation of the electrical equipment and installations and has received safety
training to recognize and avoid the hazards involved.
a. qualified person
b. engineer
c. expert
d. employee correct answers a. qualified person
On large electrical instalments, an arc flash can generate temps of ________ degrees F.
a. 15,000
b. 25,000
c 35,000
d. 45,000 correct answers c. 35,000
When turning a standard disconnect switch on,___________ of the switch.
a. do not stand to the right
b. do not stand to the left
c. always stand in front
d. do not stand in front correct answers d. do not stand in front
Which item in the General Clauses and Conditions is of value to the contractor and his estimator
only?
a. proposal
b. schedule of drawings
c. agreement
d. notice to bidders correct answers d. notice to bidders
According to the Supplementary General Conditions, who is responsible for any utilities that are
damaged?
a. the municipal gov
b. the contractor
c. the crew
d, the site owner correct answers b. the contractor
The construction plans for a building are often called_________.
,a. shop drawings
b. architecturals
c. blueprints
d. plots correct answers c. blueprints
In the areas where ____ is enforced, the NEC® is the law.
a. EWC
b. COBRA
c. OSHA
d. NFPA correct answers c. OSHA
Who may submit a proposal to change the NEC® using the Proposal Form found in the back of
the NEC®?
a. anyone
b. a member of the Code-Making Panel
c. a professional engineer
d. a registered electrician correct answers a. anyone
Which nonprofit organization publishes the Electrical Appliances and Utilization Equipment
Directory (Orange Book)
a. FPN
b. UL
c. NEC
d. NFPA correct answers b. UL
The wording of a counterfeit UL logo might say "approved" instead of ________.
a. safe
b. tested
c. OK
d. listed correct answers d. listed
The ASHRAE Handbook is considered the Bible of the _______ industry, much like the NEC is
to the electrical industry.
a. heating, refrigeration, and air-conditioning
b. lighting
c. mechanical manufacturers
d. wire and cable correct answers a. heating, refrigeration, and air-conditioning
A _____________ is when the dimensions of a product already designed and manufactured to
the inch-pound system have their dimensions converted to metric dimensions.
a. soft metric conversion
b. soft metric measurement
c. hard metric conversion
d. hard metric measurement correct answers a. soft metric conversion
What is the metric designator for a raceway of trade size 3?
, a. 12
b. 21
c. 41
d. 78 correct answers d. 78
In the metric system, what is the prefix for 1000?
a. centi-
b. kilo-
c. mega-
d. giga- correct answers b. kilo
How can one become qualified to work on or near exposed energized equipment? (Short
Answer) correct answers -Have the skill to distinguish exposed live parts from other parts of
electrical equipment
-Be able to determine the voltage of exposed parts.
- Be trained in the use of personal protective equipment, insulations, shielding material, and
insulated tools.
In the General Clauses and Conditions, what dose the "Instruction to Bidders" section
encompass? (Shot Answer) correct answers -Brief Description of the Project
-Project Location
-How it is to be bid
-Where plans and specifications can be obtained
-How to make out the proposal form
-When and where to deliver the proposal
-The amount of bid deposits requested
-Bidders qualifications
-Any other specific instructions
How is the term "LABELED" different than "IDENTIFIED" as used in the NEC? (Short
Answer) correct answers IDENTIFIED (as applied to equipment): recognized as suitable for
specific purpose, environments, etc.
LABELED: Equipment is in compliance with appropriate standards or performance, and receives
periodic inspections.
If more than one symbol is located immediately adjacent to another, it usually means that a
multigang box for multiple wiring devices and______ are to be installed.
a. multiple covers
b. two covers
c. duplicate covers
d. a single cover correct answers d. a single cover
A dashed line with a "S" designates a_____________.
a underfloor signal raceway
b. sturdy raceway system
c. solid raceway
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