YEAR 1 FINAL EXAM JATC 2026
QUESTIONS AND ANSWERS| ACE
YOUR GRADES.
Double insulation on a drill will guarantee protection and safe
usage of the drill. - correct answer -False
Note: Double insulation does not provide protection against
defective cords and plugs or against heavy moisture conditions.
o get a tool or piece of material up to the scaffold from the ground,
you should ? . - correct answer -use a hand line and bucket or
other receptacle
Rolling scaffolds require ? and toeboards to be safe. - correct
answer -guardrails
Before getting down from a scaffold, you should always check to
be sure that materials or tools ? . - correct answer -are not left in a
position from which they might fall if the scaffold is moved
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The ? of a conductor is defined as the diameter of the conductor
in mils, squared. - correct answer -circular-mil area
To find the area of a wire in circular mils, square the diameter
expressed in ? - correct answer -mils
Name the two basic types of pressure connectors. - correct
answer -Compression-type (applied with a tool and die)
Mechanical screw-type
A coating of joint compound on the surface of a conductor,
prevents a(n) ? from reforming after the installation process. -
correct answer -oxide
During the process of terminating aluminum conductors in a
mechanical screw-type connector, and after stripping the
insulation off the conductor, the installer should ? the conductor
and apply a(n) ? on the exposed aluminum conductor(s). - correct
answer -wire brush / listed aluminum joint compound
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Most ? are supplied by the manufacturer already filled with joint
compound to seal the connector from moisture and other
contaminants. - correct answer -compression connectors
When the prefix ? is used, it means multiply the number by 1,000.
- correct answer -kilo
When the prefix milli is used, it means multiply the number by ? . -
correct answer -0.001
When converting from a whole number to a prefixed number, ?
the whole number by the value of the ? . - correct answer -divide /
prefix
When converting from one prefixed number to another, ? the
number by the value of the first prefix and ? that value by the
value of the prefix to which you are converting. - correct answer -
multiply / divide
Match the following powers of 10 to the correct units. - correct
answer -1 × 10^0 → unit