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RME TECHNICAL 1
  • Talon Una Ulo

  • 問題数 100 • 2/12/2025

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    問題一覧

  • 1

    Flexible cords to portable electricity heated appliances rated at more that ___ watts shall be approved for heating cords

    50

  • 2

    The output voltage of a single loop generator is a ___

    pulsating ac

  • 3

    ____are typically used as enclosures for splicing or terminating telephone cables. I. splice cases Il. terminal boxes IlI. octagonal boxes

    I and II only

  • 4

    How many #12 XHHW conductors can you install in a 3/8” flexible metal conduit with the use of inside fittings?

    1

  • 5

    Units of apparent power

    volts-ampere

  • 6

    Which resistor is physically larger in size?

    10 ohms, 50W

  • 7

    An oil switch is a switch having contacts which operate under ___. i.askarel ii.oil iii.other suitable liquids

    i, ii, or iii

  • 8

    An electrician should not wear shoes that have sponge rubber soles while working mainly because they ___

    are easily punctured when steeping on a nail

  • 9

    A fuse puller is used in replacing

    cartridge fuses

  • 10

    any interruption of the circuit, even circuits as low as ___ volts, either by any switch, or loose or defective connections anywhere in the circuit, may produce a spark sufficient to ignite flammable anesthetic agents.

    10

  • 11

    Which of the following is NOT a cause for a generator to vibrate

    loose pigtails

  • 12

    It ids generally recognized that ___ is the largest size EMT hand bender

    1 1/4”

  • 13

    Bare conductors on a 30 volt lightning system shall not be installed less than ___ mm above thee finished floor, unledd ghe listed for a lower height

    2100

  • 14

    The speed of a synchronous motor

    it’s constant

  • 15

    The branch circuit overcurrent devices in emergency circuitd shall be ___

    accessible to only authorized personel

  • 16

    When installing a type FCC system under carpet squares, not more than ___ crossing of cable runs shall be permitted at any one points

    2

  • 17

    ___ locations are those that are hazardous because of the presence of easily ignitable fibers or flyings

    Class III

  • 18

    The definition of accessible (wire)

    not permanently closed in by the building or structure

  • 19

    Autotransformers used to start large induction motors are frequently called starting ___

    compensator

  • 20

    To determine directly whether all finished wire installations possess resistance between conductors , and between conductors and ground, use ___.

    a megger

  • 21

    A substance whose molecules consist of the same kind of atoms is called ___

    element

  • 22

    The resistance of an electrical conductor is inversely proportional to its ___.

    cross sectional area

  • 23

    A transformer would most likely have a ___ efficiency

    90%

  • 24

    Identified, as used in the CODE in reference to a conductor or its terminals, means that such a conductor or terminal is to be recognized as ___

    Grounded

  • 25

    The length of a type S cord connecting a trash compactor must nit exceed ___

    4”

  • 26

    The connection of a ground clamp to a grounding electrode shall be ___

    accessible

  • 27

    The minimum wire bending space within the enclosure for motor controllers for a 1/0 conductor (2 wires per terminal) would be __ mm

    130

  • 28

    In areas where walls are frequently washed conduit should be mounted with __ inches of air space between the wall and the conduit

    1/4”

  • 29

    The term “15-ampere” is commonly used in identifying a/an

    fuse

  • 30

    The voltage per turn of the primary of a transformer is __ the voltage per turn of the secondary

    the same as

  • 31

    A circuit breaker that has purposely introduced into it a delay in the tripping action and which delay decrease as the magnitude of the current increases is a ___ circuit breaker.

    inverse time

  • 32

    Except where computations result in a major fractions of an amphere __, such fractions may be dropped

    0.5 or larger

  • 33

    Counter emf is measured in

    volts

  • 34

    A type of AC motor that runs at a constant speed and is used for such purposes as an electric clock motor is a ___ motor.

    synchronous

  • 35

    A switch or breaker should disconnect the grounded conductors of a circuit __

    simultaneously as it disconnects the ungrounded conductors

  • 36

    The horsepower rating of the disconnecting means of hermetic refrigerant motor-compressors shall be determined from the ___ I. nameplate rated-load current II. branch-circuit selection current III. loads

    I or II only

  • 37

    Fluorescent lighting fixtures may be used as raceways if ___

    listed for use as a raceway

  • 38

    Exposed non-current carrying metal parts of fixed equipment must be grounded under all of the following conditions except ___

    electrically heated devices with the frames insulated ground

  • 39

    In a D.C circuit, the ratio of watts to volt amperes is ___

    Unity

  • 40

    At what angle does a header attach to a floor duct?

    right angle

  • 41

    This refers to the choice of electrical systems, including planning and detailing of requirements for protection, control, monitoring, coordination and interlocking of electrical systems among others

    electrical system design

  • 42

    A motor with a wide speed range is a(n) ___

    DC motor

  • 43

    Reactance will cause the current in a circuit to vary only when ___

    AC current flows

  • 44

    Type ITC cable is permitted to be used in industrial establishments with proper supervision in which of the following? I. aerial cable on a messenger Il. cable trays III. with nonpower-limited circuits

    I and II only

  • 45

    Artificial respiration after a severe electrical shock is necessary when the shock results in ___

    stoppage of breathing

  • 46

    ___ cable shall be flame retardant, moisture-resistant, fungus-resistant, and corrosion-resistant

    NMC

  • 47

    The ___ shall be executive officer of the board (BEE)

    President of the Philippines

  • 48

    The resistance in a circuit may be increased by ___

    loose connection

  • 49

    Locknuts are sometime used in making electrical connections on studs. In these cases fhe purpose of the locknuts is to ___

    prevent the connection from loosening under vibration

  • 50

    The field winding of a self-excited generator is supplied from

    its own generated emf

  • 51

    The process of adding impurities to a pure semiconductor

    Doping

  • 52

    An appliance, which is fastened or otherwise, secured at a specific location

    Fixed

  • 53

    The advantage of AC over DC incudes which of the following?

    ease of voltage variation

  • 54

    an electrical timer switch for lighting is normally connected in ___ with the lighting circuit being controlled

    Series

  • 55

    An electrical time switch for lighting is normally connected in ___ with the lighting circuit being controlled

    series

  • 56

    The temperature of the shunt field motor increases from 20°C to 30°C after 3 hours of operation. This increase in temperature produces what effect on the behavior of the motor?

    It will speed up the motor due to decrease in the field current

  • 57

    Which one refers to the generator’s mechanical driver?

    prime mover

  • 58

    This refers to department stores, supermarkets, shopping malls, office buildings, hotels, theatres, stadiums, condominiums, conventions, convention centers, restaurants and the like, used for business or profit

    commercial establishments

  • 59

    A cord connector that is supported by a permanently installed cord pendant shall be considered a (an) ____

    receptacle outlet

  • 60

    An appliance that is not easily moved from one place to another in normal use is a _ appliance

    stationary

  • 61

    All lights and any receptacles adjacent to the mirror(s) and above the dressing table counters in dressing rooms of theaters shall be controlled by wall switches installed in the

    dressing rooms

  • 62

    The definition of ambient temperature is ____

    The temperature of the area surrounding the conductor

  • 63

    For open conductors of not over 600 volts, clearance from ground shall be __ mm, above finished grade where the supply conductors have a nominal voltage limited to 150 volts to ground and accessible to pedestrians only.

    3000

  • 64

    Conductors which supply one or more AC transformers or DC rectifiers are welders shall be protected by an overcurrent decide rate or set at not more than ___ percent of the conductor rating

    200

  • 65

    What would be the advantage of 240 volts rather than 120 volts on a load with the same wattage?

    less voltage drop

  • 66

    An auxiliary gutter shall not extend a greater distance than ___ feet beyond the equipment which it supplements

    30

  • 67

    PEE, REE and RME whose Certificate of Registration has been revoked may, after the lapsed of from the surrender thereof, be re-issued upon approval of the Commission.

    1 year

  • 68

    A piece of electrical equipment that is designed to operate at alternate intervals of (1) load and no load; or (2) load and rest; or (3) load, no load, and rest is called __ duty.

    intermittent

  • 69

    When calculating the conductor fill for strut-type channel raceway with internal joiners the raceway shall be permitted to be filled to ___ percent of the cross-sectional area

    25

  • 70

    Automatic device that operates at present values is known as ___.

    relay

  • 71

    Typical output of a lead acid cell.

    2.0 V

  • 72

    The voltage produced by electromagnetic induction is controlled by ____.

    the number of lines of flux cut per second

  • 73

    Fire protective signaling circuits shall be grounded the only exception is Dc power-limited circuits having a maximum current of __ amperes

    0.030

  • 74

    __ are permitted to protect motor branch circuit conductors from overload. I. Thermal relays II. Inverse time circuit breakers III. Time delay fuses

    I, II, III

  • 75

    When more than one calculated or tabulated ampacity could apply for a given circuit length, the __ value shall be used.

    lowest

  • 76

    Which of the following is standard size fuse?

    601

  • 77

    A common fuse and circuit breaker works on the principal that ___

    current develops heat

  • 78

    The wattmeter/s necessary to measure the power in the load of an unbalanced 3-phase, 4-wire system is __

    3

  • 79

    The load in an electrical circuit is use to ___

    utilize the electrical energy

  • 80

    An open coil can be detected by ___ reading

    high resistance

  • 81

    Boxes and fittings shl be ___ in a class III, Division * location

    dusttight

  • 82

    The input to a motor is 16,000 watts and the motor loses a total of 3,000 watts. The efficiency of the motor is most nearly

    81.25%

  • 83

    Branch circuits for heating and air conditioning equipment located on the elevator car shall not have a circuit voltage in excess of __ volts.

    600

  • 84

    Sensitivity of the voltmeter is expressed in

    ohm/volt

  • 85

    The important function of a type S-fuse is ___

    Non-interchangeable

  • 86

    The wheatstone bridge method is used for accurste measurements of ___

    resistance

  • 87

    The rating of a storage battery is expressed in __

    ampere-hours

  • 88

    When using compressed air to clean electrical equipment, the air pressure should not exceed 50 pounds. The main reason is higher pressures ___.

    may loosen insulating tape

  • 89

    A switch or circuit breaker should disconnect the grounded conductors of a circuit ___

    simultaneously as it disconnects the ungrounded conductors

  • 90

    When thermal overload relays are used for the protection of poly-phase induction motors, their primary purpose is to protect the motors in case of ___.

    sustained overload

  • 91

    all wiring must be installed so that when completed

    it is free of short and unintentional grounds

  • 92

    A manufactured assembly designed to support and energize lighting fixtures that are capable of being readily repositioned is ___

    lighting track

  • 93

    A nameplate data that will tell whether or not the motor is allowed to develop more that its rated nameplate horsepower without causing deterioration of its insulation.

    service factor

  • 94

    Hoist way is a ___ in which an elevator or dumbwaiter is designed to operate

    hatchway

  • 95

    Bussways rated over 600 volts shall have all conductor termination and connection hardware accessible for __. I. Maintenance II. Connection III. Installation

    I, II, & III

  • 96

    What is the VA input of a fully loaded 5hp 230 volt single-phase motor?

    6440

  • 97

    The maximum current a #12 THW copper conductor connected to a 20 amp circuit breaker would ever carry under any condition could be ___ amperes.

    5000 or more

  • 98

    Which of the following motors does not have a commutator

    squirrel cage

  • 99

    The definition of a qualified person is ___.

    persons familiar with the construction and operation of the equipment and the hazards

  • 100

    On s delta connected 3Ø, 4-wire system the phase arrangement for the busbar with the highest voltage to ground is ____ .

    B phase