Worksheets12 EIM LONG TEST
Total questions: 30
Worksheet time: 15mins
Why are GFCIs typically required in areas where water is present?
To regulate the voltage in wet areas.
To control the flow of electricity in wet areas.
To protect against overloads in wet environments.
To prevent electrical shocks from contact with water.
You are installing a new GFCI outlet in a kitchen. How would you determine the best location for the GFCI outlet?
Install it at the end of the circuit.
Install it anywhere in the circuit.
Install it at the beginning of the circuit.
Install it only in areas where water is present.
How does a GFCI detect a ground fault?
By monitoring the temperature of the wiring.
By detecting a change in the resistance of the circuit.
By measuring the current flowing through the ground wire.
By measuring the voltage difference between the hot and neutral wires.
You are installing a new GFCI outlet in the garage. What type of GFCI outlet should you use?
A standard GFCI outlet.
A combination GFCI outlet.
A weatherproof GFCI outlet.
A tamper-resistant GFCI outlet.
It is important to test a GFCI outlet regularly because:
it ensures the outlet is functioning properly and can protect against electrical shock.
it increases the voltage output of the outlet.
it reduces the need for circuit breakers.
it improves the energy efficiency of the outlet.
What does CCTV stand for?
Closed Circuit Television
Closed Circuit Transmission
Centralized Control Television
Centralized Control Transmission
What is the primary function of a CCTV system?
To control access to restricted areas.
To communicate with individuals remotely.
To monitor and record activities in a specific area.
To provide live streaming of events to multiple locations.
You are installing a CCTV system in a retail store. Which of the following devices would you NOT need?
Cameras
Monitors
DVR/NVR
Microwave oven
9. For a high-security environment, which type of CCTV camera would be a better choice and why?
Analog cameras, because they offer higher image quality.
IP cameras, because they provide better security features and remote access.
Analog cameras, because they are easier to install.
IP cameras, because they are less expensive.
What is the purpose of a DVR/NVR in a CCTV system?
To record and store video footage.
To transmit video signals to monitors.
To provide remote access to the system.
To control the operation of the cameras.
What is the difference between a DVR and an NVR?
A DVR is more expensive than an NVR.
A DVR is easier to install than an NVR.
A DVR is more energy-efficient than an NVR.
A DVR records analog video signals, while an NVR records digital video signals.
You are installing a CCTV system in a warehouse. Which type of cabling would be most suitable for connecting the cameras to the DVR/NVR?
Coaxial cable
Telephone wire
Fiber optic cable
Cat5/Cat6 cable
Why is it important to comply with PEC provisions when installing a CCTV system?
To maximize the system's lifespan.
To minimize the cost of installation.
What does PEC stand for in the context of electrical wiring?
Power Electrical Code
Personal Electrical Code
Philippine Electrical Code
Professional Electrical Code
Why are PEC provisions important when installing CCTV systems in a household?
To maximize the system's lifespan.
To protect the system from damage.
To minimize the cost of installation.
To ensure the system is installed safely and meets regulatory standards.
You are installing a CCTV camera in a bedroom. What type of cable should you use to connect the camera to the DVR/NVR?
Coaxial cable
Telephone wire
Fiber optic cable
Cat5/Cat6 cable
Why is it important to use the correct size wire for the CCTV system's power supply?
To reduce the cost of materials.
To prevent the wire from overheating.
To make the wiring look aesthetically pleasing.
You are installing a CCTV system in a living room. How would you determine the best location for the DVR/NVR to ensure it is accessible and protected?
Place it in a closet for easy access.
Place it near the TV for easy monitoring.
Place it in the attic for better signal reception.
Place it in a secure location, like a locked cabinet.
What is the minimum distance required between a CCTV camera and the DVR/NVR for optimal signal quality?
10 meters
50 meters
100 meters
There is no minimum distance.
What is the purpose of a ground fault circuit interrupter (GFCI) in a CCTV system?
To prevent electrical shocks.
To protect against overloads.
To regulate the voltage of the circuit.
To control the flow of electricity to the outlet.
You are installing a CCTV camera in a bathroom. What type of outlet should you use to power the camera?
GFCI outlet
Standard outlet
Why is it important to use the correct type of connectors for the CCTV system's cabling?
To reduce the cost of materials.
To prevent the connectors from overheating.
To make the wiring look aesthetically pleasing.
To ensure a secure connection and prevent signal loss.
What is the primary purpose of creating a CCTV system diagram?
To estimate the cost of the system's installation.
To troubleshoot problems with the system's operation.
To provide a detailed description of the system's features.
To visually represent the system's components and their connections.
What are the essential components that should be included in a CCTV system diagram?
Cameras, DVR/NVR, monitors, cabling, power supply.
Cameras, DVR/NVR, routers, switches, network cables.
Cameras, DVR/NVR, microphones, speakers, recording devices.
Cameras, DVR/NVR, motion detectors, alarms, access control systems.
Why is it important to use standard symbols and conventions when creating a CCTV system diagram?
To comply with industry regulations.
To minimize the cost of creating the diagram.
To prevent errors during the system's installation.
You are reviewing a CCTV system diagram created by another technician. What criteria would you use to evaluate the quality of the diagram?
Cost-effectiveness and timeliness.
Compliance with industry standards.
Aesthetics, creativity, and originality.
Clarity, accuracy, completeness, and ease of understanding.
Why is it important to consider the scale and layout of a CCTV system diagram?
To comply with industry standards.
To minimize the cost of creating the diagram.
To prevent errors during the system's installation.
To ensure the diagram is easy to read and understand.
What is the primary function of a multimeter?
To measure electrical voltage.
To measure electrical current.
To measure electrical resistance.
All of the above.
You want to measure the voltage of a 12V battery. Which setting on the multimeter should you use?
AC voltage
DC voltage
Resistance
Continuity
Why is it important to select the correct measurement range on the multimeter before taking a reading?
To prevent damage to the meter.
To make the reading more accurate.
To ensure the meter can handle the voltage or current being measured.
All of the above.
