NCC PRACTICE TEST 9 QUESTIONS
AND ANSWERS WITH SOLUTIONS 2024
Image - ANSWER Pressure switch
image - ANSWER Float switch
image - ANSWER Temperature switch
Which of the following is the recommended abrasive cloth used to clean cable during a splice? -
ANSWER 120 grit abrasive cloth
Any fixed or stationary electric sign that is installed within a fountain must be at least how many feet
inside the fountain, as measured from the fountain's outside edge? - ANSWER 5 feet
To eliminate air voids when preparing a splice, pencil the insulation and then - ANSWER buff it using
abrasive cloth
When two or more wired partitions are electrically connected together, the cord must be terminated at
an attachment plug and cord connector equipped with a - ANSWER strain relief device
A quick test that can be made to determine if an installation is good is known as a - ANSWER go/no-go
test
Which of the following is TRUE with regard to fixed stage switchboards? - ANSWER They are permitted to
supply both stage and non-stage equipment
Which of the following is an approved wiring method allowed in fire-rated construction? - ANSWER MC
Cable
Which of the following qualifies as an assembly occupancy? - ANSWER The auditorium of a civic center
, Which of the following is true of digital meters? - ANSWER They are easier to read than analog meters.
A knee in a leakage current-versus-voltage plot indicates a - ANSWER breakdown current
Which of the following termination classes is the only one that provides a seal against external
elements? - ANSWER Class 1
In temporary installations, single insulated feeder and branch circuit conductors may be used to supply
power for temporary testing, emergencies, experiments. and developmental work where accessible -
ANSWER to qualified persons only
A suitable connector for medium-voltage cable splices is a compression or - ANSWER crimp type
Most digital ohmmeters have an audible tone to indicate a closed or low-resistance circuit, making them
useful for performing - ANSWER continuity tests
In agricultural buildings that require equipotential planes, the equipotential plane must be bonded to
the grounding system with a bare or insulated solid copper wire no smaller than - ANSWER No. 8 AWG
Which instrument should be used to verify that there is power available to run a three-phase motor that
will not start? - ANSWER Voltage tester
Proof tests are made at what percentage of the original factory voltage? - ANSWER 60%
If a duty cycle includes significant plugging or jogging, select an - ANSWER AC-4 rated motor control
device
What instrument is used to take readings at specified intervals for later review? - ANSWER Data logger
figure - ANSWER C108H
AND ANSWERS WITH SOLUTIONS 2024
Image - ANSWER Pressure switch
image - ANSWER Float switch
image - ANSWER Temperature switch
Which of the following is the recommended abrasive cloth used to clean cable during a splice? -
ANSWER 120 grit abrasive cloth
Any fixed or stationary electric sign that is installed within a fountain must be at least how many feet
inside the fountain, as measured from the fountain's outside edge? - ANSWER 5 feet
To eliminate air voids when preparing a splice, pencil the insulation and then - ANSWER buff it using
abrasive cloth
When two or more wired partitions are electrically connected together, the cord must be terminated at
an attachment plug and cord connector equipped with a - ANSWER strain relief device
A quick test that can be made to determine if an installation is good is known as a - ANSWER go/no-go
test
Which of the following is TRUE with regard to fixed stage switchboards? - ANSWER They are permitted to
supply both stage and non-stage equipment
Which of the following is an approved wiring method allowed in fire-rated construction? - ANSWER MC
Cable
Which of the following qualifies as an assembly occupancy? - ANSWER The auditorium of a civic center
, Which of the following is true of digital meters? - ANSWER They are easier to read than analog meters.
A knee in a leakage current-versus-voltage plot indicates a - ANSWER breakdown current
Which of the following termination classes is the only one that provides a seal against external
elements? - ANSWER Class 1
In temporary installations, single insulated feeder and branch circuit conductors may be used to supply
power for temporary testing, emergencies, experiments. and developmental work where accessible -
ANSWER to qualified persons only
A suitable connector for medium-voltage cable splices is a compression or - ANSWER crimp type
Most digital ohmmeters have an audible tone to indicate a closed or low-resistance circuit, making them
useful for performing - ANSWER continuity tests
In agricultural buildings that require equipotential planes, the equipotential plane must be bonded to
the grounding system with a bare or insulated solid copper wire no smaller than - ANSWER No. 8 AWG
Which instrument should be used to verify that there is power available to run a three-phase motor that
will not start? - ANSWER Voltage tester
Proof tests are made at what percentage of the original factory voltage? - ANSWER 60%
If a duty cycle includes significant plugging or jogging, select an - ANSWER AC-4 rated motor control
device
What instrument is used to take readings at specified intervals for later review? - ANSWER Data logger
figure - ANSWER C108H
