EIM NCII SET__B____
Name ______________________________ Score___________
1. There are sheet metal troughs with hinged or removable covers for housing and
protecting electrical wires and cables and in which conductors are laid in place.
A. Bus ways
B. Wire ways
C. Cable ducts
D. Cable trays
2. Most of the required electrical parameters apply to an incandescent bulb are
A. Rated power and rated voltage
B. Rated resistance and rated current
C. Rated current and rated voltage
D. Rated power and rated current
3. When tightening a terminal screw connection, the end of the wire should pass around
the screw in the same direction as the screw is turned so that
A. the wire will act as locknut
B. any full on the wire will tighten the screw
C. the wire will not turn off
D. the screw can be removed more easily
4. A part providing an appropriate degree protection of equipment against contains external
influences and defined degree of protection again contacts with live parts any direction.
A. Cabinet
B. Enclosure
C. Panel board
D. Switch gear
5. Locknut , bushing and connectors are called electrical_______________
A. Conduit
B. Fittings
C. Expander
D. Tighteners
6. Why is if necessary to use torque wrench in tightening bottled joints of copper bus bars
inside bus ducts and bus ways?
A. To prevent heating of joints
B. To reduce the resistance in the joint
C. To make sure the joints are well tightened
D. To give the bolt allowance for thermal expansion
7. What is the commonly used conduit in Service Entrance?
A. PVC
B. EMT
C. RSC/RMC
D. Flex Conduit
8. What is the types of fitting commonly used for exposed conduit support?
A. Conduit strap/Clamp
B. Condulet
C. Connector
D. Lock nut and bushing
9. When raceways are exposed to widely different temperatures it should be
_____________.
A. Sealed
B. Bonded
C. Grounded
D. Isolated
10. Before adding to or altering an installation, you must ensure that____________.
A. You are well familiar with the existing installation.
B. Such work will not impair any part of the existing installation
C. Safety precautions are followed
D. All of the above
11. What will you do if the load schedule reflects a 20AT/2.0 sq.mm. Lighting Branch
of which breaker is over rated?
A. Wait for your superior and let him do the corrections.
B. Look for another load schedule and check for differences.
C. Look for the wiring layout and check groupings.
D. Change rating to 15AT to conform with PEC requirement
12. The size of circuit breaker to be used in 40 A motor full load current is
A. Not less than 125% of the full load
B. More than 115% of the full load
C. Less than 50AT
D. Equal to 100AT
13. The selection requirements for circuit breaker are
A. Ampacity, rated power and rated voltage
B. Ampere Frame, Ampacity and Kilo Ampere Interrupting Capacity
C. Kilo Ampere Interrupting Capacity, Ampere Trip and Ampere Frame
D. Ampere Frame, Full load Current and Rated voltage
14. When measuring load current, the ammeter is connected_________
A. Parallel with the source
B. In series with the load
C. Across the terminals of the load
D. From one load terminal to ground
15. The material used in long length bus bar joints to give allowance for thermal expansion
is____________
A. Annealed soft drawn copper
B. Solid copper plates
C. Flexible braided copper plates
D. Flexible copper plates
16. The current is directly proportional to the voltage and inversely proportional to
resistance.
A. Lenz’s Law
B. Power Law
C. Faraday’s Law
D. Ohm’s Law
17. Before adding to or altering an installation, you must ensure that
A. Partially tightened
B. Loosely installed
C. Safety precaution are followed
D. The power is alive
18. What amount of current will be drawn by incandescent bulb connected to a 115-volt
circuit if its resistance is 264.5 ohms?
A. 0.45 amps.
B. 0.43 amps.
C. 0.42 amps.
D. 2.3 amps.
19. When measuring ballast resistance if it is defective o good, it is necessary that the
source.
A. Energized
B. de-energized
C. unloaded
D. loaded
20. A circuit breaker is an electrical protective device which_________
A. Protects electrical equipment from incoming spike voltage
B. Protects electrical equipment from current surges and on
C. Breaks power flow when a very low voltage is encounter
D. Trips off when a very low current is encountered
21. The 24 hours protection from home and commercial building to monitor and access
the video any time anywhere on this device.
A. Fire alarm system
B. Building Remote Controller
C. Telephone monitoring Cabinet
D. CCTV Camera
22. The Auxiliary device of CCTV that monitor the motion daily.
A. Camera
B. Recorder
C. Monitor
D. Adapter
23. Which of the following is the input device
A. Door Lock
B. Exit Button
C. Biometric Reader and Controller
D. All of the above
24. A part Auxiliary device that capture live events and save as video files
A. Power splitter
B. Camera
C. Monitor
D. Recorder
25. The minimum size of conduit commonly used in laying-out of Auxiliary Devices
A. ½” diameter
B. ¾” diameter
C. ½” PVC molding
D. ¾” PVC molding
26. An electricians should always have his tools in good working condition, the most
important reason being is__________
A. You have to exert more effort when using defective tools.
B. Your job cannot be satisfactory done without good tools
C. It is part of your job to keep tools in good working condition
D. Defective tools can cause accidents or damage to equipment
27. What type of hand tools commonly used in boring of ½” diameter hole in panel board
A. Cold Chisel and a hammer
B. Hacksaw and Hammer
C. Knock out Puncher and Adjustable Wrench
D. Hand drill
28. It is the connection between the grounded circuit conductor and the equipment
grounding conductor at the service.
A. Bonding jumper
B. Grounding electrode conductor
C. Bounding jumper, main
D. Bonding jumper, equipment
29. What is the fitting commonly used for tightening between the boxes the RSC conduit?
A. Straight Connector
B. Condulet
C. Conduit strap
D. Lock nut and bushing
30. Part of the Auxiliary System that set the motion-trigger action individually for each
camera.
A. Live Previewing
B. Recording
C. Camera Scheduled
D. Motion detection