Download 244E3-R

REVIEW FOR
EXAMINATION # 3
MATERIAL COVERED
MATERIAL COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE ENTRANCE
EQUIPMENT
INTERIOR WIRING
LOADS
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE QUESTIONS
STUDY THE FOLLOWING MATERIAL:
1.
OUTLINES #16 THROUGH #20.
2.
READINGS FROM BRADSHAW, PP. 289-340.
3.
REVIEW HOMEWORK ASSIGNMENT #3. YOU SHOULD
KNOW HOW TO MAKE POWER CALCULATIONS,
CALCULATIONS OF TOTAL RESISTANCE AND
CALCULATIONS USING OHM’S LAW.
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE FOLLOWING TERMS FROM
OUTLINE #16:
1.
CURRENT
INTERIOR WIRING
2.
POTENTIAL
LOADS
3.
RESISTANCE
VOLTAGE SYSTEMS
4.
ENERGY
5.
POWER
6.
SHORT CIRCUIT
7.
RECTIFICATION
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE FOLLOWING TERMS FROM OUTLINE
#17:
1.
PRIMEMOVER
INTERIOR WIRING
2.
GENERATOR
LOADS
3.
COGENERATION (TOTAL ENERGY) SYSTEM
4.
TOPPING CYCLE
5.
BOTTOM CYCLE
6.
INVERTER
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE FOLLOWING TERMS FROM OUTLINE
#18:
1.
TRANSFORMER
2.
METER
LOADS
3.
FUSE
VOLTAGE SYSTEMS
4.
CIRCUIT BREAKER
GROUNDING
5.
PANELBOARD
RESIDENTIAL
APPLICATIONS
6.
SWITCHBOARD & SWITCHGEAR
MEDIUM & LARGE
BUILDINGS
7.
UNIT SUBSTATION
INTERIOR WIRING
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE FOLLOWING TERMS FROM OUTLINE
#18:
1.
CONDUCTOR
INTERIOR WIRING
2.
AMPACITY
LOADS
3.
BUSBAR
VOLTAGE SYSTEMS
4.
CABLE
5.
WIRE
6.
FLEXIBLE CORD
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
KNOW THE FOLLOWING TERMS FROM OUTLINE
#18:
SERVICE
ENTRANCE
EQUIPMENT
1.
RACEWAY
2.
CONDUIT
INTERIOR WIRING
3.
WIREWAY
LOADS
4.
SURFACE METAL RACEWAY
5.
CABLE TRAY
6.
BUSWAY
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
KNOW THE FOLLOWING TERMS FROM OUTLINE
#18:
SERVICE
ENTRANCE
EQUIPMENT
1.
HORSEPOWER
2.
SERVICE FACTOR
INTERIOR WIRING
3.
DUTY CYCLE
4.
UNIVERSAL MOTOR
5.
RESISTIVE LOAD
6.
INDUCTIVE LOAD
LOADS
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
KNOW THE FOLLOWING TERMS FROM OUTLINE
#19:
SERVICE
ENTRANCE
EQUIPMENT
1.
SERVICE GROUNDING
2.
APPLIANCE GROUNDING
INTERIOR WIRING
3.
GROUND-FAULT CIRCUIT INTERUPTER
4.
THREE-WAY SWITCH & FOUR-WAY SWITCH
5.
SPECIAL PURPOSE CIRCUIT
6.
GENERAL PURPOSE CIRCUIT
7.
DEMAND FACTOR
LOADS
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE FOLLOWING TERMS FROM OUTLINE
#20:
1.
WATCHMAN’S TOUR
2.
RISER SHAFT
VOLTAGE SYSTEMS
3.
RISER CLOSET
GROUNDING
4.
BUILDING AUTOMATION SYSTEM (BAS)
INTERIOR WIRING
LOADS
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
CALCULATIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
LOADS
VOLTAGE
SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
KNOW HOW TO MAKE CALCULATIONS USING
OHM’S LAW
WHAT IS THE CURRENT FLOW IN A 12-VOLT DC CIRCUIT
CONTAINING A TOTAL RESISTANCE OF 2 OHMS?
I = V/R
I = 12/2
I = 6 AMPS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
CALCULATIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
LOADS
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
KNOW HOW TO MAKE CALCULATIONS USING
OHM’S LAW
IN A 24-VOLT D-C CIRCUIT, THE FLOW OF CURRENT IS
MEASURED AS 8 AMPS. WHAT IS THE RESISTANCE OF
THIS CIRCUIT?
R = V/I
R = 24/8
R = 3 OHMS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
CALCULATIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
KNOW HOW TO DETERMINE THE TOTAL
RESISTANCE ON A SERIES CIRCUIT?
SERVICE
ENTRANCE
EQUIPMENT
A SERIES CIRCUIT CONSISTS OF ONE 5-OHM RESISTANCE
AND ONE 10-OHM RESISTANCE. WHAT IS THE TOTAL
RESISTANCE ON THE CIRCUIT?
INTERIOR WIRING
RTOTAL = R1 + R2
LOADS
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
RTOTAL = 5 + 10
RTOTAL = 15 OHMS
REVIEW FOR
EXAMINATION # 3
CALCULATIONS
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
LOADS
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
KNOW HOW TO DETERMINE THE TOTAL
RESISTANCE ON A PARALLEL CIRCUIT?
WHAT IS THE TOTAL RESISTANCE ON A PARALLEL CIRCUIT
WITN ONE RESISTANCE OF 5-OHMS & ONE OF 10OHMS?
RTOTAL =1/ (1/ R1 + 1/R2)
RTOTAL = 1(1/5 + 1/10)
RTOTAL = 1/ (3/10)
RTOTAL = 10/3
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
CALCULATIONS
KNOW HOW TO MAKE CALCULATIONS OF POWER FOR
D-C SYSTEMS :
A 12-V BATTERY IS CONNECT TO A 4 OHM RESISTOR. WHAT IS
THE WATTAGE?
I = V/R
INTERIOR WIRING
I = 12/4 OR 3 AMPS
LOADS
P = VI
VOLTAGE
SYSTEMS
P = 12 X 3
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
P = 36 WATTS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
CALCULATIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
LOADS
KNOW HOW TO MAKE CALCULATIONS OF POWER
FOR SINGLE-PHASE A-C SYSTEMS:
A SINGLE-PHASE 240-V AC POWER SYSTEM DRAWS 14
AMPS OF CURRENT WITH A POWER FACTOR OF 0.7.
WHAT IS THE WATTAGE OF THE SYSTEM?
P = VI x PF
VOLTAGE SYSTEMS
P = 240 x 14 x 0.7
GROUNDING
P = 2352 WATTS
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
CALCULATIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
KNOW HOW TO MAKE CALCULATIONS OF POWER
FOR THREE-PHASE A-C SYSTEMS:
SERVICE
ENTRANCE
EQUIPMENT
IN A 208-V THREE-PHASE MOTOR LOAD, THE CURRENT
DRAWN BY THE MOTOR IS 25 AMPS, AND THE POWER
FACTOR IS 0.6. WHAT IS THE WATTAGE OF THE SYSTEM?
INTERIOR WIRING
P = VI x PF x 1.73
LOADS
P = 208 x 25 x 0.6 x 1.73
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
P = 5397.6 WATTS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
PRINCIPLES OF ELECTRICITY
TERMINOLOGY
CALCULATIONS
PRINCIPLES
KNOW THE FOLLOWING :
GENERATION
1.
THE EFFECTS OF SHORT-CIRCUITS
2.
PROPERTIES OF SERIES CIRCUITS
3.
PROPERTIES OF PARALLEL CIRCUITS
LOADS
4.
USES OF DIRECT CURRENT
VOLTAGE SYSTEMS
5.
USES OF SINGLE- AND THREE-PHASE ALTERNATING
CURRENT.
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
GENERATION OF ELECTRICAL POWER
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE CHARACTERISTICS OF THE
FOLLOWING :
1.
INTERNAL COMBUSTION ENGINES
2.
GAS TURBINES
LOADS
3.
STEAM TURBINES
VOLTAGE SYSTEMS
4.
COGENERATION SYTEMS
GROUNDING
5.
WIND TURBINES
RESIDENTIAL
APPLICATIONS
6.
HYDROPOWER
INTERIOR WIRING
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
SERVICE ENTRANCE EQUIPMENT
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
KNOW THE FOLLOWING ABOUT TRANSFORMERS:
GENERATION
1.
USE
2.
TYPES
3.
RATING: KILOVOLT-AMPS.
LOADS
4.
LOCATION
VOLTAGE SYSTEMS
5.
FACTORS WHICH DETERMINE WHEN TO USE A
CUSTOMER-OWNED TRANFORMER.
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
SERVICE ENTRANCE EQUIPMENT
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
KNOW THE FUNCTION & PROPERTIES OF THE
FOLLOWING:
SERVICE
ENTRANCE
EQUIPMENT
1.
INTERIOR WIRING
3.
PANELBOARDS
LOADS
4.
SWITCHBOARDS & SWITCHGEAR
5.
UNIT SUBSTATIONS (LOAD CENTER-SUBSTATIONS)
6.
METERS
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
2.
SERVICE DISCONNECT SWITCH.
OVERCURRENT PROTECTION DEVICES.
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
INTERIOR WIRING & DISTRIBUTION
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
LOADS
VOLTAGE
SYSTEMS
KNOW THE FOLLOWING :
1.
THE CHARACTERISTICS OF COPPER AND ALUMINUM
AS CONDUCTORS OF ELECTRICITY.
2.
THE AWG & THE MCM CONDUCTOR NUMBERING
SYSTEMS.
3.
COLOR CODING OF INSULATION OF WIRE.
4.
THE CHARACTERISTICS OF THE VARIOUS TYPES OF
CONDUIT.
5.
THE CHARACTERISTICS OF THE VARIOUS TYPES OF
FLOOR RACEWAYS SYSTEMS & CEILING RACEWAYS
SYSTEMS.
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
LOADS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
KNOW THE FOLLOWING :
GENERATION
1.
WHAT A FRACTIONAL MOTOR IS.
SERVICE
ENTRANCE
EQUIPMENT
2.
WHAT AN INTEGRAL MOTOR IS.
3.
PROPERTIES OF D-C MOTORS.
INTERIOR WIRING
4.
PROPERTIES OF SINGLE-PHASE A-C MOTORS.
5.
PROPERTIES OF THREE-PHASE A-C MOTORS.
6.
THE MEANING OF MOTOR NAMEPLATE INFORMATION.
LOADS
VOLTAGE SYSTEMS
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
VOLTAGE SYSTEMS
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE CHARACTERISTICS & THE
APPROPRIATE APPLICATION OF THE
FOLLOWING VOLTAGE SYSTEMS:
1.
120-V, SINGLE-PHASE, 2-WIRE
INTERIOR WIRING
2.
120/240-V, SINGLE-PHASE, 3-WIRE
LOADS
3.
120/208-V, THREE-PHASE, 4-WIRE
VOLTAGE SYSTEMS
4.
277/480-V, THREE-PHASE, 4-WIRE
GROUNDING
5.
2400/4160-V, THREE-PHASE, 4-WIRE
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
GROUNDING & GROUND-FAULT
PROTECTION
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE FUNCTION, POTENTIAL HAZARDS &
APPLICATION OF THE FOLLOWING :
1.
SERVICE GROUNDING
INTERIOR WIRING
2.
APPLIANCE GROUNDING
LOADS
3.
GROUND FAULT CIRCUIT INTERRUPTION
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SMALL RESIDENTIAL APPLICATIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
KNOW THE FOLLOWING :
GENERATION
1.
SERVICE
ENTRANCE
EQUIPMENT
NUMBER AND TYPE OF SWITCHES REQUIRED FOR
MULTIPLE SWITCH LOCATIONS.
2.
THE CRITERIA FOR LOCATING OUTLETS.
INTERIOR WIRING
3.
COMMON OUTLET TYPES & THEIR APPLICATION
LOADS
4.
THE NUMBER OF OUTLETS TYPICALLY PLACED ON 15
AMP & 20 AMP CIRCUITS.
5.
DIFFERENCE BETWEEN SPECIAL-USE & GENERAL
PURPOSE CIRCUITS.
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
TERMINOLOGY
ELECTRICAL SYSTEMS FOR MEDIUM &
LARGE BUILDINGS
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE FOLLOWING :
1.
RELATIONSHIP & RESPONSIBILITIES BETWEEN THE
ARCHITECT & CONSULTING ENGINEERS
LOADS
2.
DIFFERENCE BETWEEN LIGHTING AND POWER PLANS.
VOLTAGE SYSTEM
3.
CRITERIA FOR AND PLACEMENT OF ELECTRICAL
CLOSETS.
4.
USE OF DEMAND FACTORS
INTERIOR WIRING
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SECURITY & COMMUNICATION SYSTEMS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE CHARACTERISTICS OF THE FOLLOWING
INTRUSION DETECTION DEVICES :
1.
NORMALLY OPEN CONTACT DEVICES.
2.
NORMALLY CLOSED CONTACT DEVICES.
LOADS
3.
MECHANICAL MOTION DETECTORS.
VOLTAGE SYSTEM
4.
PHOTOELECTRIC DETECTORS.
GROUNDING
5.
PASSIVE INFRARED DETECTORS.
RESIDENTIAL
APPLICATIONS
6.
MOTION DETECTORS.
MEDIUM & LARGE
BUILDINGS
7.
ACOUSTIC SYSTEMS.
INTERIOR WIRING
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SECURITY & COMMUNICATION SYSTEMS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
KNOW THE SECURITY & COMMUNICATION
SYSTEMS USED IN THE FOLLOWING BUILDING
TYPES :
1.
PRIVATE RESIDENCES.
2.
MULTIPLE-FAMILY DWELLINGS.
VOLTAGE SYSTEM
3.
HOTELS & MOTELS.
GROUNDING
4.
SCHOOLS
RESIDENTIAL
APPLICATIONS
5.
OFFICE BUILDINGS
6.
INDUSTRIAL BUILDINGS.
INTERIOR WIRING
LOADS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SYSTEMS
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
THE NUMBER OF ELECTRONS FLOWING PAST A
GIVEN POINT IN AN ELECTRICAL CIRCUIT IS
WHICH OF THE FOLLOWING?
A.
POTENTIAL
LOADS
B.
POWER
VOLTAGE SYSTEM
C.
CURRENT
GROUNDING
D.
ENERGY
INTERIOR WIRING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
ANSWER
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
THE NUMBER OF ELECTRONS FLOWING PAST A
GIVEN POINT IN AN ELECTRICAL CIRCUIT IS
WHICH OF THE FOLLOWING?
A.
POTENTIAL
LOADS
B.
POWER
VOLTAGE SYSTEM
C.
CURRENT
GROUNDING
D.
ENERGY
INTERIOR WIRING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
SERVICE
ENTRANCE
EQUIPMENT
A TOASTER CONSTRUCTED OF A 55-OHM
RESISTANCE WIRE REQUIRES 2 AMPS FOR
ITS OPERATION. WHAT VOLTAGE SHOULD
BE APPLIED?
INTERIOR WIRING
A.
480-V
LOADS
B.
240-V
VOLTAGE SYSTEM
C.
208-V
D.
110-V
PRINCIPLES
GENERATION
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
ANSWER
TERMINOLOGY
CALCULATIONS
SERVICE
ENTRANCE
EQUIPMENT
A TOASTER CONSTRUCTED OF A 55-OHM
RESISTANCE WIRE REQUIRES 2 AMPS FOR
ITS OPERATION. WHAT VOLTAGE SHOULD
BE APPLIED?
INTERIOR WIRING
A.
480-V
LOADS
B.
240-V
VOLTAGE SYSTEM
C.
208-V
D.
110-V
PRINCIPLES
GENERATION
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
WHICH OF THE FOLLOWING STATEMENTS ABOUT
PARALLEL CIRCUITS IS INCORRECT?
A.
THE VOLTAGE DROP ACROSS EACH BRANCH IS EQUAL
TO THE VOLTAGE OF THE SOURCE.
B.
IF ONE OF THE LOADS BURNS OUT OR IS
DISCONNECTED, THE REMAINDER OF THE CIRCUIT
CONTINUES TO FUNCTION.
C.
THE CURRENT IS THE SAME EVERYWHERE IN THE
CIRCUIT.
D.
ALL OF THE ABOVE.
LOADS
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
WHICH OF THE FOLLOWING STATEMENTS ABOUT
PARALLEL CIRCUITS IS INCORRECT?
A.
THE VOLTAGE DROP ACROSS EACH BRANCH IS EQUAL
TO THE VOLTAGE OF THE SOURCE.
B.
IF ONE OF THE LOADS BURNS OUT OR IS
DISCONNECTED, THE REMAINDER OF THE CIRCUIT
CONTINUES TO FUNCTION.
C.
THE CURRENT IS THE SAME EVERYWHERE IN THE
CIRCUIT.
D.
ALL OF THE ABOVE.
LOADS
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
LOADS
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
WHICH OF THE FOLLOWING IS AN
APPLICATION OF DIRECT CURRENT?
A.
BATTERY POWER
B.
GEARLESS TRACTION MACHINES USE TO POWER
SOME TYPES OF ELEVATORS
C.
CONTROLS & TELEPHONES.
D.
ALL OF THE ABOVE.
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
ANSWER
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
INTERIOR WIRING
LOADS
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
WHICH OF THE FOLLOWING IS AN
APPLICATION OF DIRECT CURRENT?
A.
BATTERY POWER
B.
GEARLESS TRACTION MACHINES USE TO POWER
SOME TYPES OF ELEVATORS
C.
CONTROLS & TELEPHONES.
D.
ALL OF THE ABOVE.
REVIEW FOR
EXAMINATION # 3
SAMPLE QUESTIONS
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
WHICH OF THE FOLLOWING IS A CHARACTERISTICS
OF INTERNAL COMBUSTION ENGINES?
SERVICE
ENTRANCE
EQUIPMENT
A.
ABLE TO BURN A VARIETY OF LIQUID & GASEOUS FUELS.
B.
QUIET OPERATION
INTERIOR WIRING
C.
LOW MAINTENANCE.
D.
ALL OF THE ABOVE.
LOADS
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
ANSWER
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
WHICH OF THE FOLLOWING IS A CHARACTERISTICS
OF INTERNAL COMBUSTION ENGINES?
SERVICE
ENTRANCE
EQUIPMENT
A.
ABLE TO BURN A VARIETY OF LIQUID & GASEOUS FUELS.
B.
QUIET OPERATION
INTERIOR WIRING
C.
LOW MAINTENANCE.
D.
ALL OF THE ABOVE.
LOADS
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING IS A CHARACTERISTIC
OF COPPER CONDUCTORS?
A.
HIGHER COST THAN ALUMINUM
B.
LOWER RESISTIVITY THAN ALUMINUM.
LOADS
C.
WIDELY USED FOR SMALL CONDUCTORS.
VOLTAGE SYSTEM
D.
ALL OF THE ABOVE.
INTERIOR WIRING
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
ANSWER
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING IS A CHARACTERISTIC
OF COPPER CONDUCTORS?
A.
HIGHER COST THAN ALUMINUM
B.
LOWER RESISTIVITY THAN ALUMINUM.
LOADS
C.
WIDELY USED FOR SMALL CONDUCTORS.
VOLTAGE SYSTEM
D.
ALL OF THE ABOVE.
INTERIOR WIRING
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING IS THE
SMALLEST CONDUCTOR?
A.
500 MCM.
B.
250 MCM.
LOADS
C.
NO. 18 AWG.
VOLTAGE SYSTEM
D.
NO. 12 AWG.
INTERIOR WIRING
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
ANSWER
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING IS THE
SMALLEST CONDUCTOR?
A.
500 MCM.
B.
250 MCM.
LOADS
C.
NO. 18 AWG.
VOLTAGE SYSTEM
D.
NO. 12 AWG.
INTERIOR WIRING
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
SAMPLE QUESTIONS
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
WHICH OF THE FOLLOWING IS THE SAFEST?
SERVICE
ENTRANCE
EQUIPMENT
A.
INTERMEDIATE METALLIC CONDUIT.
B.
RIGID CONDUIT
C.
RIGID NONMETALLIC CONDUIT.
D.
ELECTRICAL METALLIC TUBING.
INTERIOR WIRING
LOADS
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
ANSWER
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING IS THE SAFEST?
A.
INTERMEDIATE METALLIC CONDUIT.
B.
RIGID CONDUIT
LOADS
C.
RIGID NONMETALLIC CONDUIT.
VOLTAGE SYSTEM
D.
ELECTRICAL METALLIC TUBING.
INTERIOR WIRING
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING INDICATES HOW
MUCH OVER THE NAMEPLATE RATING A
MOTOR CAN OPERATE WITHOUT OVER
HEATING?
INTERIOR WIRING
A.
SERVICE FACTOR.
LOADS
B.
ENERGY EFFICIENCY RATIO.
VOLTAGE SYSTEM
C.
VOLTAGE.
D.
DUTY CYCLE.
PRINCIPLES
GENERATION
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
ANSWER
TERMINOLOGY
CALCULATIONS
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING INDICATES HOW
MUCH OVER THE NAMEPLATE RATING A
MOTOR CAN OPERATE WITHOUT OVER
HEATING?
INTERIOR WIRING
A.
SERVICE FACTOR.
LOADS
B.
ENERGY EFFICIENCY RATIO.
VOLTAGE SYSTEM
C.
VOLTAGE.
D.
DUTY CYCLE.
PRINCIPLES
GENERATION
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
SAMPLE QUESTIONS
TERMINOLOGY
CALCULATIONS
PRINCIPLES
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING VOLTAGE SYSTEM
IS BEST SUITED TO A 3500 S.F SINGLE
FAMILY RESIDENCE?
INTERIOR WIRING
A.
120-V, SINGLE-PHASE, 2-WIRE.
LOADS
B.
120/208-V, THREE-PHASE, 4-WIRE.
VOLTAGE SYSTEM
C.
277/480-V, THREE-PHASE, 4-WIRE.
D.
120/240-V, SINGLE-PHASE, 3-WIRE.
GENERATION
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
MATERIAL
COVERED
ANSWER
TERMINOLOGY
CALCULATIONS
PRINCIPLES
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING VOLTAGE SYSTEM
IS BEST SUITED TO A 3500 S.F SINGLE
FAMILY RESIDENCE?
INTERIOR WIRING
A.
120-V, SINGLE-PHASE, 2-WIRE.
LOADS
B.
120/208-V, THREE-PHASE, 4-WIRE.
VOLTAGE SYSTEM
C.
277/480-V, THREE-PHASE, 4-WIRE.
D.
120/240-V, SINGLE-PHASE, 3-WIRE.
GENERATION
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
SAMPLE QUESTIONS
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING ESTABLISHES A
NEUTRAL LINE AT ZERO POTENTIAL FOR THE
ENTIRE BUILDING?
A.
SERVICE GROUNDING.
INTERIOR WIRING
B.
GROUD-FAULT CIRCUIT INTERRUPTION.
LOADS
C.
METERS.
D.
APPLIANCE GROUNDING.
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS
REVIEW FOR
EXAMINATION # 3
SAMPLE QUESTIONS
MATERIAL
COVERED
TERMINOLOGY
CALCULATIONS
PRINCIPLES
GENERATION
SERVICE
ENTRANCE
EQUIPMENT
WHICH OF THE FOLLOWING ESTABLISHES A
NEUTRAL LINE AT ZERO POTENTIAL FOR THE
ENTIRE BUILDING?
A.
SERVICE GROUNDING.
INTERIOR WIRING
B.
GROUD-FAULT CIRCUIT INTERRUPTION.
LOADS
C.
METERS.
D.
APPLIANCE GROUNDING.
VOLTAGE SYSTEM
GROUNDING
RESIDENTIAL
APPLICATIONS
MEDIUM & LARGE
BUILDINGS
SECURITY &
COMMUNICATION
SAMPLE
QUESTIONS