Exam questions well answered graded
A+
The most basic division of wire and cable technology is made on the basis of ? . - correct answer
✔✔ Voltage
A ? building is constructed of very thick and very heavy walls of brick or stone that support the
entire building, including the floor slabs and roof. - correct answer ✔✔ Load-Bearing Masonry
When planning a wire pull, it is best to remember to ? . - correct answer ✔✔ Plan several
shorter pulls rather than fewer longer pulls
Medium-voltage insulated conductors ? types include tape, corrugated, concentric neutral, and
tape plus concentric neutral. - correct answer ✔✔ Shield
When performing a fire-stop installation that has point contact between the penetrating item
and the wall or floor surface, there is always a requirement to apply a 1/4 inch bead between
the penetrating item and the wall or floor surface. - correct answer ✔✔ False
What anchor has the lowest duty rating in drywall? - correct answer ✔✔ Plastic
Dry skin has a fairly high ? to electric current. But when skin is moist or wet, it acts as a
conductor. - correct answer ✔✔ Resistance
A(n) ? is an individual stationed outside one or more permit spaces who monitors conditions
within the space(s) and prevents unauthorized entry. - correct answer ✔✔ Attendant
,When heat is applied to metal tools, the metallurgy of the tool can change, causing the metal to
become ? . - correct answer ✔✔ Softer
What should be done with a ladder when it is not in use? - correct answer ✔✔ It should be laid
down or lashed where it cannot fall or be blown over
Extreme pain, respiratory arrest, severe muscular contractions. Death is possible. These
reactions best describe a current from ? to 150 milliamperes. - correct answer ✔✔ 50 mA
When attaching smaller gauge wires, such as 3-12 AWG, to a fish tape's leader for a medium-
duty pull, the conductors should be ? . - correct answer ✔✔ Stripped out 3-5", each 1" further
than the previous; folded in half through the leader; and taped up for
the pull
What IBC chapter covers the requirements for fire-resistant rated assemblies? - correct answer
✔✔ 7
Statistically, the top rung of a ladder is the most dangerous. - correct answer ✔✔ False
The earliest written and recorded codes of law can be dated back to nearly ? ago. - correct
answer ✔✔ 4,000
What should be considered by the Electrical Worker when supporting conductors during vertical
conductor installations? - correct answer ✔✔ -Securing the reels
-The need for supplemental braking
-Testing the braking mechanisms during the pull
, What installation parameter(s) should be considered when installing cables into conduits or
cable trays - correct answer ✔✔ -Clearance
-Jamming
-Max pulling tension
-Side wall pressure
Which of the following IS included in a complete through penetration fire-stop system? - correct
answer ✔✔ -The Backing Material
-The fire-resistance rated assembly materials
-The penetrating item
-The sealant
When determining the variation of resistance of a conductor, the increased value of resistance is
? proportional to the area of the conductor. - correct answer ✔✔ Inversely
? are a type of aerial work platform that is attached to extension arms that are recessed within
one another—like a refractor style of telescope. - correct answer ✔✔ Boom Lifts
Contractors performing work on the jobsite must have a(n) ? procedure. - correct answer ✔✔
Risk Assessment
The apprentice is in the public relations business. What person and/or group does the
apprentice represent? - correct answer ✔✔ -Himself
-Organized Labor
-Union Contractors
Which of the following is best defined as the circuit conductors between the final overcurrent
protective device and the outlet(s)? - correct answer ✔✔ Branch Circuit