WorksheetsQB02TGHYUJKI
Total questions: 100
Worksheet time: 3hrs 43mins
A SMALL LAMP USED TO INDICATE THAT A CIRCUIT IS ENERGIZED
PILOT LAMP
ELECTRIC SIGN LAMP
CONTROL LAMP
TEST LAMP
A BATTERY IS CHARGED AT 15 A FOR 10 HOURS. IF THE CHARGING VOLTAGE IS 120 V, WHAT IS THE CHARGING COST AT 1.00 PESO PER kW-hr?
15 PESOS
18 PESOS
12 PESOS
20 PESOS
WHAT IS THE DIAMETER OF A COPPER WIRE HAVING A CROSS SECTIONAL AREA OF 3969CM?
1.6 mm
7.9 mils
0.16 inch
6.3 mm
AN APPLICANT FOR THE REGISTERED MASTER ELECTRICIANS' EXAMINATION MUST AT LEAST BE A GRADUATE OF ___ YEAR ELECTRICIAN COURSE OF INSTRUCTION AND HAS AT LEAST ___ YEARS OF APPRENTICESHIP AFTER COMPLETION OF THE COURSE.
2, 2
1, 1
1, 2
2, 3
IN DC CIRCUITS, THE POWER IS EXPRESSED AS THE PRODUCT OF WHICH OF THE FOLLOWING?
COULOMBS AND AMPERES
AMPERES AND OHMS
AMPERES AND VOLTS
COULOMBS AND VOLTS
THE UNIT OF MAGNETIC FLUX IN SI
TESLA
VOLT-AMPERE
MAXWELL
WEBER
IF THE SERIES FIELD IS CONNECTED IN SERIES WITH THE ARMATURE, AND THE SHUNT FIELD IS CONNECTED ACROSS THE COMBINATION, WHAT TYPE OF DC GENERATOR IS THIS?
SHUNT
SERIES
LONG SHUNT COMPOUND
SHORT SHUNT COMPOUND
AN INSTRUMENT THAT MEASURES THE ELECTRICAL PRESSURE IN A CIRCUIT
AMMETER
MEGGER
GALVANOMETER
VOLTMETER
A LUBRICANT TO MAKE PULLING OF WIRES OR CABLES THROUGH THE CONDUIT EASIER
GREASE
RESIN
TALC
IRON FILINGS
GIVE AN EXAMPLE OF AN ELECTRICAL CONDUCTOR
BRASS
ASBESTOS
SLATE
LATEX
THE START WINDING OF A SPLIT-PHASE INDUCTION MOTOR IS SWITCHED OUT OF THE CIRCUIT BY WHAT DEVICE?
MAGNETIC CONTACTOR
ZERO SPEED SWITCH
CENTRIFUGAL SWITCH
PROXIMITY SWITCH
WHEN A CIRCUIT BREAKER IS SELECTED, WHICH OF THE FOLLOWING IS THE MOST IMPORTANT FACTOR TO CONSIDER?
VOLTAGE RATING
INTERRUPTING RATING
MOMENTARY RATING
CONTINUOUS CURRENT RATING
IF 18 RESISTANCES, EACH OF A VALUE OF 36 OHMS, ARE CONNECTED IN PARALLEL, THEN THE TOTAL RESISTANCE IS ___.
36 OHMS
2 OHMS
648 OHMS
54 OHMS
A SMALL LIGHT BULB WITH A RESISTANCE OF 1000 OHMS IS CONNECTED ACROSS A 120-V LINE. WHAT IS THE CURRENT THROUGH THE BULB?
1.2 A
0.12 A
0.012 A
12 A
WHAT TYPE OF ENERGY IS STORED IN AN ELECTROLYTIC CELL?
ELECTRICAL
MAGNETIC
MECHANICAL
CHEMICAL
A 200-V LAMP HAS A HOT RESISTANCE OF 400 OHMS. WHAT IS ITS POWER RATING IN WATTS?
100 W
200 W
600 W
250 W
A 25-W INCANDESCENT BULB RATED AT 120V AND OPERATED ON A 120V LINE HAS BURNT OUT AND HAS TO BE REPLACED AS SOON AS POSSIBLE. THERE ARE SEVERAL LAMPS AVAILABLE BUT NOT OF THE SAME RATING. WHICH OF THE BULB BELOW SHOULD BE USED TO APPROXIMATE THE POWER CONSUMPTION OF THE BUSTED BULB?
20 WATTS, 110 VOLTS
100 WATTS, 240 VOLTS
50 WATTS, 240 VOLTS
75 WATTS, 220 VOLTS
WHAT IS THE RESISTANCE READING OF A GOOD CAPACITOR?
NEGLIGIBLE
NEGATIVE
INFINITY
1 OHM
AN INDUCTOR HAS A REACTANCE OF 10,000 OHMS AT 10kHz. WHAT IS ITS REACTANCE AT 2kHz?
20,000 OHMS
500 OHMS
2,000 OHMS
32,000 OHMS
ALL BATTERIES HAVE A NOMINAL RATING BASED ON HOW MANY HOURS OF STANDARD RATE OF DISCHARGE?
8
24
16
12
THE PROPERTY THAT OPPOSES ANY CHANGE IN CURRENT.
IMPEDANCE
RESISTANCE
INDUCTANCE
CAPACITANCE
WHICH OF THE FOLLOWING IS AN INTEGRATING INSTRUMENT?
AMMETER
VOLTMETER
WATTMETER
THERMOMETER
WHICH OF THE FOLLOWING BREAKS DOWN RUBBER INSULATION?
WATER
OIL
ACID
NONE OF THESE
FOR CURRENT TO FLOW, A CIRCUIT MUST BE _____.
ISOLATED
INSULATED
COMPLETE
PROTECTED
ELECTRICAL SYMBOL REPRESENTED BY A RECTANGLE WITH A LETTER PB INSIDE.
PUSH BUTTON
PULL BOX
BATTERY PANEL
BOX PANELBOARD
WHEN THE SPEED OF THE PRIME MOVER OF AN ALTERNATOR IS INCREASED, WHAT PARAMETER IN THE ALTERNATOR IS AFFECTED?
FREQUENCY
VOLTAGE
BOTH FREQUENCY & VOLTAGE
VOLTAGE & CURRENT
THE CURRENT CARRYING CAPACITY OF THE FUSE MATERIAL DEPENDS ON
CROSS-SECTIONAL AREA
LENGTH
MATERIAL
ALL OF THESE
THE RESISTANCE OF A MATERIAL IS INVERSELY PROPORTIONAL TO ITS ________.
LENGTH
TEMPERATURE
CROSS-SECTIONAL AREA
ALL OF THESE
A 0.4µF CAPACITOR HAS A CHARGE OF 20 µC. HOW MUCH IS THE VOLTAGE ACROSS IT?
0.02 V
8 V
50 V
0.8 V
A RESISTOR OF 3 OHMS IS CONNECTED IN SERIES WITH ONE OF 2-OHM RESISTANCE. IF THE COMBINATION IS CONNECTED IN SERIES WITH A 4-OHM RESISTOR, WHAT IS THE EQUIVALENT RESISTANCE OF THE WHOLE COMBINATION OF THREE RESISTORS?
6.4 OHMS
5.8 OHMS
4.5 OHMS
5.2 OHMS
HOW MUCH CURRENT IS PRODUCED BY 60-V SOURCE CONNECTED ACROSS A 12k OHM RESISTANCE?
5 A
7.2 A
20 mA
5 mA
IN A CIRCUIT BREAKER, THE CURRENT WHICH EXISTS AT THE INSTANT OF CONTACT SEPARATION IS KNOWN AS
RECOVERY CURRENT
SURGERY CURRENT
INTERRUPTING CURRENT
RESTRIKING CURRENT
WHEN THE EMFS IN THE TWO WINDINGS OF THE TRANSFORMER ARE OPPOSITE IN DIRECTION, THE POLARITY OF THE WINDING IS
ADDITIVE
SUBTRACTIVE
EITHER A OR B
NEITHER A OR B
WHICH OF THE FOLLOWING IS USED TO IMPROVE OR CORRECT A LOW POWER FACTOR?
CAPACITORS
SYNCHRONOUS MOTORS
SYNCHRONOUS CONDENSERS
ALL OF THESE
EXPIRED LICENSES SHALL BE RENEWED ONLY AFTER COMPLYING THE REQUIRED CPE UNITS. WHAT DOES CPE STANDS FOR?
CREDIT PROFESSIONAL EXPENSES
CERTIFICATE OF PRACTICE AND EXPERIENCE
COURSE OF PROFESSIONAL ETHICS
CONTINUING PROFESSIONAL EDUCATION
AN ELECTRIC IRON DRAWS 15 A AT 220V. IT IS DESIRED TO REDUCED THE CURRENT TO 12 A BY CONNECTING A SERIES RHEOSTAT. WHAT IS THE RESISTANCE OF THE RHEOSTAT?
3.67 OHMS
4.55 OHMS
5.12 OHMS
1.86 OHMS
COMMERCIAL UNIT OF ELECTRIC ENERGY.
JOULE
WATT-HOUR
MEGAWATT
KILOWATT-HOUR
WHAT RESISTANCE MUST BE CONNECTED IN PARALLEL WITH A 1.0 OHM RESISTANCE TO GIVE AN EQUIVALENT RESISTANCE OF 0.2 OHM?
0.75 OHM
0.25 OHM
1.20 OHMS
.50 OHM
AN AMMETER SHOULD BE CONNECTED IN ________ WITH THE LOAD.
SERIES
PARALLEL
SERIES-PARALLEL
DELTA-WYE
THREE 120-OHM RESISTORS ARE CONNECTED IN PARALLEL-SERIES. WHAT IS THE EQUIVALENT RESISTANCE OF THE COMBINATION?
360 OHMS
80 OHMS
180 OHMS
40 OHMS
WHAT ARE THE TWO PRIMARY PARTS OF A THREE-PHASE INDUCTION MOTOR?
ROTOR & STATOR
STATOR & FIELD
SLIP RING & BRUSHES
ROTOR & ARMATURE
THE ABILITY OF A CONDUCTOR TO ALLOW CURRENT FLOW.
RESISTANCE
COEFFICIENT OF RESISTANCE
CONDUCTANCE
PERMEABILITY
WHAT IS THE MOST COMMON USAGE OF RESISTORS IN ELECTRONIC CIRCUITS?
LIMIT CURRENT
INTRODUCE A VOLTAGE DROP
GENERATE HEAT
ALL OF THESE
FOR A CEILING FAN, WHICH OF THE SINGLE-PHASE MOTOR IS USED
SPLIT-PHASE TYPE
CAPACITOR START & RUN TYPE
PERMANENT CAPACITOR TYPE
CAPACITOR START TYPE
BLUE IS ASSIGNED TO WHAT DIGIT VALUE IN THE RESISTANCE COLOR CODE?
5
6
7
4
WATT-HOUR IS EQUIVALENT TO HOW MANY JOULES?
4,186
3,600
44,760
3,415
IF THE NUMBER OF VALENCE ELECTRONS IS EXACTLY FOUR, HOW DO YOU CLASSIFY THE MATERIALS
CONDUCTOR
SEMI-CONDUCTOR
INSULATOR
SUPERCONDUCTOR
A HALF WAVE RECTIFIER USES HOW MANY DIODES?
AT LEAST TWO DIODES
ONLY ONE DIODE
ONLY TWO DIODE
ONE OR MORE DIODES DEPENDING ON DESIGNER
A WATER HEATER TAKES 2.5 A AT 230V. WHAT IS ITS HOT RESISTANCE?
82 OHMS
74 OHMS
92 OHMS
70 OHMS
SI UNIT OF POTENTIAL DIFFERENCE.
COULOMBS
AMPERE
SIEMENS
VOLT
CLASS II, DIVISION 1
CLASS II, DIVISION 2
CLASS III, DIVISION 1
CLASS III, DIVISION 2
IN HAZARDOUS LOCATION, THE USE OF NON-METALLIC CONDUIT SHALL BE PERMITTED PROVIDED IT IS BURIED NOT LESS THAN ____ BELOW THE EARTH LEVEL.
400 mm
600 mm
1,000 mm
500 mm
SERVICE ENTRANCE CABLES SHALL BE SUPPORTED BY STRAPS OR OTHER APPROVED METHODS WITHIN ________ OF EVERY SERVICE HEAD.
300 mm
500 mm
400 mm
600 mm
HAZARDOUS LOCATION IN WHICH EASILY IGNITABLE FIBERS OR MATERIAL PRODUCING COMBUSTIBLE FLYINGS ARE HANDLED, MANUFACTURED OR USED.
CLASS III, DIVISION 1
CLASS IIII, DIVISION 2
CLASS I, DIVISION 1
CLASS I, DIVISION 2
TYPE MC CABLE SHALL BE SUPPORTED AND SECURED AT INTERVALS NOT EXCEEDING____.
2000 mm
1800 mm
1500 mm
2500 mm
HOW MUCH IS THE MINIMUM COMPUTED LOAD FOR EACH 2-WIRE LAUNDRY BRANCH CIRCUIT?
1800 VA
1500 VA
2000 VA
1200 VA
BOARD OF ELECTRICAL ENG'G
CODE ENFORCING AUTHORITY
IIEE CODE COMMITTEE
PHILIPPINE REGULATION BOARD
2000 mm
1800 mm
1900 mm
1700 mm
A POINT IN A WIRING SYSTEM AT WHICH CURRENT IS TAKEN TO BE USED IN SOME EQUIPMENT.
GROUNDED
CONDUCTOR
SERVICE ENTRANCE
OUTLET
SHEET STEEL METAL BOXES OVER 1640 cm3 IN SIZE SHALL BE MADE FROM STEEL NOT LESS THAN ____ THICK UNCOATED.
1.25 mm
1.35 mm
1.6 mm
1.8 mm
LIVE VEGETATION OR TREES ________ USED FOR SUPPORT OF OVERHEAD CONDUCTOR SPANS.
SHALL BE
SHOULD BE
SHALL NOT BE
SHOULD NOT BE
760 mm
900 mm
1000 mm
600 mm
A CONDUCTOR HAVING NO COVERING OR ELECTRICAL INSULATION.
BARE CONDUCTOR
CONCEALED CONDUCTOR
ENCASED CONDUCTOR
EXPOSED CONDUCTOR
CONDUCTORS USED IN LIGHTNING PROTECTION SYSTEM MAYBE COURSED THROUGH AIR WITHOUT SUPPORT FOR A DISTANCE OF _____ OR LESS
1000 mm
900 mm
760 mm
800 mm
TYPE FC CABLE SHALL HAVE THE TEMPERATURE RATING DURABLY MARKED ON THE SURFACE AT INTERVALS NOT EXCEEDING_______.
600 mm
550 mm
800 mm
760 mm
1200
1500
1800
1000
THE POWERS OF THE MEMBERS OF THE BOARD ARE VESTED IN THEM BY WHO'S AUTHORITY?
PRESIDENT OF THE PHILIPPINES
COMMISSIONER OF PRC
UNDER RA 7920
NATIONAL PRESIDENT OF IIEE
75 V
50 V
100 V
40 V
A BUILDING OR OTHER STRUCTURE SERVE SHALL BE SUPPLIED BY ONLY ONE SERVICE DROP EXCEPT FOR
MULTIPLE OCCUPANCY BUILDING
FIRE PUMPS
EMERGENCY ELECTRICAL SYSTEM
ALL OF THESE
WHICH OF THE FOLLOWING CIRCUITS SHALL NOT BE GROUNDED
2-WIRE DC SYSTEMS
VEHICLE MOUNTED GENERATORS
HEALTH CARE FACILITIES
ALL OF THESE
THE CURRENT CARRYING CONDUCTORS IN CABLEBUS SHALL HAVE INSULATION RATING OF _____ OR MORE.
40 °C
50 °C
70 °C
60 °C
AIR TERMINALS EXCEEDING 600 mm IN HEIGHT SHALL BE SUPPORTED AT A POINT NOT LESS THAN _____ OF ITS HEIGHT.
3/4
2/5
1/2
1/3
AT LEAST HOW MANY ENTRANCE(S) SHALL BE PROVIDED TO GIVE ACCESS TO THE WORKING SPACE ABOUT ELECTRICAL EQUIPMENT?
2
1
3
NOT SPECIFIED IN THE CODE
NON-METALLIC BOXES SHALL BE PERMITTED ONLY WITH ___.
CONCEALED KNOB AND TUBE WIRING
NON-METALLIC SHEATHED CABLE
OPEN WIRING ON INSULATORS
ALL OF THESE
48
42
36
38
THIS TYPE OF CABLE IS A FABRICATED ASSEMBLY OF INSULATED CONDUCTORS ENCLOSED IN A FLEXIBLE METAL SHEATH
GROUND WIRE
INTEGRATED GAS SPACER CABLE
MEDIUM VOLTAGE CABLE
ARMORED CABLE
SO CONSTRUCTED OR PROTECTED THAT EXPOSURE TO A BEATING RAIN WILL NOT RESULT IN THE ENTRANCE OF WATER UNDER SPECIFIED TEST CONDITIONS.
RAINDRIP
RAINTIGHT
RAINPROOF
RAINSEALED
THE CROSS-SECTIONAL AREA IN SQUARE MILLIMETERS OF A CONDUCTOR SHALL BE DURABLY MARKED ON THE SURFACE REPEATED AT INTERVALS NOT EXCEEDING _______.
600 mm
900 mm
1000 mm
760 mm
THE FOLLOWING ARE COMMON SPLICING RULES EXCEPT ONE. WHICH ONE IS THIS?
ROOFS WITH A SERIES OF PARALLEL RIDGES SHALL HAVE AIR TERMINALS ALONG THE END RIDGE AT INTERVALS NOT EXCEEDING_____.
7600 mm
8000 mm
6000 mm
9000 mm
150 mm
175 mm
300 mm
200 mm
A______BRANCH CIRCUIT SHALL BE PERMITTED TO SUPPLY COOKING APPLIANCES THAT ARE FASTENED IN PLACE IN ANY OCCUPANCY.
30 OR 40 A
20 OR 30 A
50 OR 60 A
40 OR 50 A
ONE AND ONE-HALF YEARS
2 YEARS
HALF A YEAR
1 YEAR
AN OVERCURRENT DEVICE SHALL BE CONNECTED AT THE POINT WHERE THE CONDUCTORS TO BE PROTECTED____.
RECEIVES ITS SUPPLY
IS BEING TERMINATED
RECEIVES ITS LOAD
NONE OF THESE
A RUN OF TYPE IGS CABLE BETWEEN PULL BOXES OR TERMINATIONS SHALL NOT CONTAIN MORE THAN THE EQUIVALENT OF _________ QUARTER BENDS.
1
2
3
4
OVERHEAD CONDUCTORS USED IN FESTOON LIGHTING SHALL NOT BE LESS THAN __.
0.75 mm2
3.5 mm2
2.0 mm2
5.5 mm2
FIXED ELECTRIC SPACE HEATING LOADS SHALL BE COMPUTED AT OF TOTAL COMPUTED LOAD.
80%
90%
100%
125%
WHEN CIRCUIT BREAKERS ARE INSTALLED IN ENCLOSED SWITCHBOARDS, THEY ARE USUALLY DERATED TO A CERTAIN PERCENTAGE. WHAT IS THIS PERCENTAGE?
60%
80%
50%
70%
OPEN CONDUCTORS SHALL BE SEPARATED FROM OPEN CONDUCTORS OF OTHER CIRCUITS BY NOT LESS THAN A CERTAIN DISTANCE. WHAT IS THIS DISTANCE.
200 mm
100 mm
150 mm
120 mm
MOTOR CIRCUIT SWITCHES SHALL __ PERMITTED TO BE OF THE KNIFE SWITCH TYPE.
NOT BE
BE
BE OR NOT BE
NONE OF THESE
BRANCH CIRCUITS LARGER THAN _____ SHALL SUPPLY ONLY NON-LIGHTING OUTLET LOADS.
30 A
40 A
50 A
60 A
FOR OPTIONAL CALCULATION IN DWELLING UNITS, THE FIRST 10 kW SHALL BE COMPUTED AT 100% WHILE THE REMAINDER IS AT ____.
65%
60%
50%
40%
THE CLEARANCE FORM THE TOP OF A SWITCHBOARD TO A CEILING WHICH IS COMBUSTIBLE SHALL NOT BE LESS THAN ____.
1000 mm
800 mm
900 mm
1250 mm
WHICH OF THE FOLLOWING STATEMENT IS NOT TRUE?
ELECTRICAL EQUIPMENT AND WIRING NOT MENTIONED IN THE CODE SHALL REQUIRE A SPECIAL PERMISSION PRIOR TO INSTALLATION
EXTENDED USE OF TEMPORARY INSTALLATION SHALL NOT REQUIRE A NEW APPROVED ELECTRICAL PERMIT
AN APPLICATION OF INSPECTION SHALL BE FILLED WITH THE GOVERNMENT AGENCY CONCERNED BEFORE A PRELIMINARY AN OR FINAL INSPECTION IS DONE
A COPY OF THE ELECTRICAL PERMIT SHALL BE POSTED OR KEPT AT THE JOB SITE AT ALL TIMES, UNTIL THE APPROVAL OF THE WORK HAVE BEEN MADE.
THE RATING OF THE OVERCURRENT DEVICE SHALL NOT BE LESS THAN THE THE NONCONTINUOUS LOAD PLUS A PERCENTAGE OF THE CONTINUOUS LOAD.
125 %
80 %
100 %
140 %
OPERATION OF EQUIPMENT IN EXCESS OF NORMAL, FULL LOAD RATING OR OF A CONDUCTOR IN EXCESS OF RATED AMPACITY?
OVERLOAD
OVERVOLTAGE
OVERCURRENT
SURGE
FRO WATERCRAFTS, WHERE SHOULD THE SAID ELECTRICAL PERMIT BE FILED?
LOCAL BUILDING OFFICE
MARITIME INDUSTRIAL AUTHORITY
OFFICE OF THE PHILIPPINE PORTS AUTHORITY
OFFICE OF THE PHILIPPINE COAST GUARD
IN CONCEALED KNOB AND TUBE WIRING, THE CLEARANCE TO BE MAINTAINED BETWEEN CONDUCTORS IS ______.
55 mm
45 mm
76 mm
50 mm
LIQUIDTIGHT FLEXIBLE NONMETALLIC CONDUIT SHALL NOT BE USED WHERE THE VOLTAGE OF THE CONTAINED CONDUCTORS IS IN EXCESS OF ______.
600 V
300 V
250 V
1000 V
SERVICE ENTRANCE USING COPPER CONDUCTORS SHALL HAVE SUFFICIENT CAPACITY AND SHALL NOT BE SMALLER THAN ________.
5.5 mm2
3.5 mm2
14.0 mm2
8.0 mm2
