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WorksheetsNC2 REVIEW SET B-2
Total questions: 15
Worksheet time: 8mins
The current is directly proportional to the voltage and inversely proportional to resistance.
Lenz’s Law
Power Law
Faraday’s Law
Ohm’s Law
Before adding or an altering an installation, you must ensure that
Partially tightened
loosely installed
safety precaution are allowed
the power is alive
What amount of current will be drawn by incandescent bulb connected to a 115-volt circuit if its resistance is 264.5 ohms?
0.45 amps
0.43 amps
0.42 amps
2.3 amps
When measuring ballast resistance if it is defective or good, it is necessary that the source
energized
de-energized
unloaded
loaded
A circuit breaker is an electrical protective device that _________.
protects electrical equipment from incoming spike voltage
protects electrical equipment from surges and overloads
breaks power flow when a very low voltage is encountered
trips off when a very low current is encountered
The 24 hours protection for home and commercial building to monitor and access the video anytime anywhere on this device
Fire Alarm System
Building Remote Controller
Telephone Monitoring Cabinet
CCTV camera
The auxiliary device of CCTV that monitor the motion daily.
camera
recorder
monitor
adapter
Which of the following is the input device?
Door lock
Exit Button
Biometric Reader and Controller
All of the above
A part of auxiliary device that capture live events and save as video files
power splitter
camera
monitor
recorder
The minimum size of conduit commonly used in laying-out of auxiliary devices.
½” diameter
¾” diameter
½” PVC molding
¾” PVC molding
An electrician should always have his tools in good working condition, the most important reason being is _________
you have to exert more effort when using defective tools
your job cannot be satisfactory done without good tools
it is part of your job to keep tools in good working condition
defective tools can cause accident or damage to equipment
What type of hand tools commonly used in boring of ½” diameter hole in a panel board
cold chisel and hammer
hacksaw and hammer
knockout puncher and adjustable wrench
Hand drill
It is the connection between the grounded circuit conductor and the equipment grounding conduit at the
Bonding Jumper
Grounding Electrode Conductor
Bonding Jumper main
Bonding jumper equipment
What are the type of fittings commonly used for tightening between the boxes and the conduit?
straight connector
condulet
conduit strap
locknut and bushing
Part of the auxiliary system that set the motion trigger action individually for each camera
Live Previewing
Recording
Camera Scheduled
Motion Detection
