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Closed Book Exams > Journeyman > Flashcards

Journeyman Flashcards

1
Q

An instrument that is used to measure the diameter of a wire or cable to thousandths of an inch is a ________.

A

Micrometer

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2
Q

A ______ squirrel cage motor can be started at full voltage.

  1. Design A 2. Design B 3. Design C 4. Design D

A.) 1 only
B.) 1 and 2 only
C.) 3 and 4 only
D.) 1,2,3 and 4

A

D

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3
Q

A ______ is braking system for an electric motor.

  1. Friction braking
  2. Plugging
  3. Dynamic braking

A.) 1 only
B.) 3 only
C.) 1 and 3 only
D.) 1,2 and 3

A

D

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4
Q

The purpose of s clip clamp is to

A

Ensure good contact between the fuse terminals of cartridge fuses and the fuse clips

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5
Q

Galvanized conduit is made of

A

Zinc

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6
Q

Wheb wrapping a splicd with both rubber and friction tape, the main purpose of the friction tape is to

  1. Provide extra insulation
  2. Build up the insulation to the minimum thickness required
  3. Protect the rubber tape
  4. Provide a waterproof seal
A

Protect the rubber tape

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7
Q

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

  1. Wear out too quickly
  2. Are not waterproof
  3. Are not insulated
  4. Are easily punctured when stepping on a nail
A

4

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8
Q

A hacksaw with fine teeth used to cut rafeways is commonly called

  1. Tube saw
  2. Keyhole saw
  3. Sabre saw
  4. Crosscut saw
A

1

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9
Q

The brightness of an incandescent lamp is rated in

A

Lumens

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10
Q

Electrician’s diagonal lineman pliers should not be used to cut

Aluminum wire
Copper wire
Steel wire
Copper-clad wire

A

Steel wire

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11
Q

A tap tool is s tool used to

Cut external threads
Remove broken bolts
Ream raceways
Cut internal threads

A

Cut internal threads

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12
Q

The flux commonly used for the soldering of electrical conductors is

Zinc chloride
Rosin
Borax
None of these

A

Rosin

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13
Q

The continuity of an electrical circuit can be determined in the field by the means of

An ammeter
Wheatstone bridge
Bell and battery set
Wattmeter

A

Bell and batt set

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14
Q

A shunt is sometimes used ti increase the range of an electrical measurement instrument. The shunt is normally used when measuring

Ac voltage
Dc voltage
Dc amperes
Ac amperes

A

Dc amperes

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15
Q

Rubber insulation on an electrical conductor would quickly be damaged by continous contact with

Water
Acid
Oil
Alkali

A

Oil

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16
Q

With respect to fluorescent lamps it is correct to state

The filaments seldom burns out
The starters and tubes must be replaced at the same time
They are easier to install than incandescent light bulbs
Their efficiency is less than the efficiency of incandescent light bulbs

A

The filaments seldom burn out

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17
Q

The connection between the grounded circuit conductor and the egc at the service is called the ____ bonding jumper

Circuit
Equipment
Main
Appliance

A

Main

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18
Q

The electrician’s tapered reamer is used for

Reaming the threads on couplings
Reaming the holes in bushings
Reaming the end of rigid conduit after it is cut
Making holes in boxes

A

C

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19
Q

Three way switching does not use the ff conductor

Ungrounded
Traveler
Grounded
Switch leg

A

Grounded

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20
Q

A fuse puller is used in replacing

Cartridge fuses
Plug fuses
Link fuses
Ribbon fuses

A

Cartridge fuses

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21
Q

The rigid conduit connecting to an outlet box should have a ____.

Bushing and locknut on the inside
Bushing on the outside and L on the inside
L and B on the inside
L on the o and a B on the inside

A

D

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22
Q

A toaster will produce less heat on low voltage because

Its total watt output decreases
The current will decrease
The resistance has not changed
All of these

A

All of these

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23
Q

The standard residential service is a 3 wire, 240V single phase system. The max voltage to gr in this system would be ____ V.

A

120

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24
Q

Where galvanized conduit is used, the main purpose of the galvanizing is to

Slow down rust
Provide better continuity
Provide better strength
Provide a better surface for painting

A

Slow down rust

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25
Q

To lubricate a motor sleeve bearing you would use

Grease
Oil
Vaseline
Graphite

A

Oil

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26
Q

When soldering conductors, flux is used

To heat the conductors quicker
To keep the surfaces clean
To prevent loss if heat
To bond the conductors

A

To keep the surface clean

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27
Q

In electrical wiring, wire nuts are used to

Connect wires ti terminals
Join wires and insulate the joint
Connect the electrode
Tighten the panel studs

A

Join wires and insulate the joint

28
Q

In a residence the wall switch controlling the ceiling light is usually

Connected across both lines
A double pole switch
Connected in one line only
A 4 way switch

A

Connected in one line only

29
Q

Acid is not considered a good flux when soldering conductors because it

Smells bad
Is corrosive
Is non-conductive
Costs too much

A

Is corrosive

30
Q

The conductor with the highest installation temp rating is

RH
TW
THWN
THHN

A

Thhn

31
Q

To fasten a raceway to a solid concrete ceiling, you would use

Toggle bolts
Expansion bolts
Wooden plugs
Rawl plugs

A

Expansion bolts

32
Q

The grounded cond of a lighting ckt is always connected to the screw of a light socket to

Reduce the possibility of accidental shock
Ground the light fixture
Improve the efficiency of the lamp
Provide the easiest place to connect the wire

A

A

33
Q

A _____ helps prevent arcing in movable contacts.

Spring
Condenser
Resistor
Hydrometer

A

Condenser

34
Q

Determining a positive wire on a single phase ckt is

Possible with a wattmeter
Possible with a voltmeter
Possible with an ammeter
An impossibility

A

D

35
Q

The reason for installing electrical conductors in a conduit is

To provide a ground
To increase the ampacity of the conductors
To protect the conductors from damage
To avoid derating for continuous loading of conductors

A

To protect chuchu

36
Q

Wing nuts are useful on equipment where

Cotter pins are used
The nuts must be removed frequently
A wrench cannot be used
Screws cannot be used

A

B

37
Q

The best thing to cut pvc conduit within a tight area is

A short hacksaw
A nylon string
A knife
A pipe cutter

A

Nylon

38
Q

What is the normal taper on a standard conduit thread-cutting die?

1/2’’ per foot
1/4
3/8
3/4

A

3/4’’ per foot

39
Q

The average dry cell battery gives an approx voltage of

1.5
1.2
1.7
2

A

1.5

40
Q

The _____ ckt is that portion of a wiring system beyond the final ocp.

Lighting
Feeder
Signal
Branch

A

Branch

41
Q

What type of fastener would you use to mount to a hollow tile wall?

A

Toggle bolts

42
Q

A hook on the end of a fish tape is not to

Keep it from catching on joints and bends
Tie a swab to
Tie the wires, to be pulled
Protect the end of the wire

A

D

43
Q

In sockets, extension cord is protected by means of the ____ knot.

Underwriter’s
Clove hitch
Sheepshank
Western union

A

A

44
Q

A low energy power ckt

Is a remote control ckt
Is a signal ckt
Has its power supplied by transformer and batteries
None of these

A

C

45
Q

60 cycle frequency travels 180 degrees in how many seconds

A

1/120

46
Q

Note.
When stripping insulation from an aluminum conductor

Remove insulation as you would sharpen a pencil
Peel the insulation back and then cut outwards

A

Remember that

47
Q

Which of the ff is not used to fasten ewuipment to concrete

Expansion bolt
Lead shield
Rawl plug
Steel bushing

A

Steel bushing

48
Q

An electrical condenser is best defined as

A coil of wire
A wrapping of layers of metal foil
A coil of wire with layers of metal foil
A wrapping of many layers of metal foil set apart by waxed paper

A

D

49
Q

You would use an approved ____ to protect conductors from abrasion where they enter a box

Locknut
Bushing
All thread
Hickey

A

Bushing

50
Q

A ___ helps prevent arcing in movable contacts

Spring
Condenser
Resistor
Hydrometer

A

Condenser

51
Q

Which of the following is the poorest conductor of electricity

Mercury
Alum
Carbon
Silver

A

Carbon

52
Q

Galvanized conduit is made of

Iron
Zinc
Nickle
Lead

A

Iron

53
Q

When cutting holes in masonry which of the ff tools is most commonly used

Auger bit
Router bit
Star drill
Reamer

A

Star drill

54
Q

A wrench you would not use to connect rmc is a ____ wrench

Box end
Stillson
Strap
Chain

A

Box end

55
Q

The instrument that would prove least useful in testing for opens, grounds, and shorts after the wiring has been completed is the ____

Voltmeter
Ammeter
Ohmeter
Megged

A

Ammeter

56
Q

On a delta 3-phase 4 wire secondary, how many hot wires may use the common neutral

1
2
3
4

A

2

57
Q

Insulated nonmetallic boxes are made of

Polyvinyl chloride
Bakelite
Bower-barff lacquer

A

1 and 2

58
Q

Which of the ff is the best type of saw to use to cut a 3’’ dia hole thru 1/2’’ plywood?

Circular saw
Saber saw
Hack saw
Cross-cut saw

A

Saber

59
Q

A magnetic field is created around a conductor

A

Whenever current flows in the conductor

60
Q

A universal motor has brushes that ride on the

Commutator
Stator
Interpole
Field

A

Commutator

61
Q

Electrical power is s measure of

Work wasted
Voltage
Rate at which work is performed
Total work performed

A

Rate chuchu

62
Q

This statement is true: conduit painted with enamel cannot be used outdoors

True: emt raceway can be installed in an air conditioning space heating duct

A

Not true: pvc shall have a minimum burial depth of 24”

63
Q

If a 240v heater is used on 120v, the amount of heat produced will be

Twice as much
Four times as great
1/4 as much
The same

A

C

64
Q

The transferring of electrons from one material to another would be

A

Static electricity

65
Q

On a 120v 1phase ckt, grnd fault protection for personnel operates on the principle of unbalanced current between

The grounded and ungrounded c
The ungrounded c
The grounding c and the neutral c
The service disconnect and the bc

A

A

66
Q

Of the six ways of producing emf, which method is used the least?

Pressure
Solar
Chemical
Friction

A

Friction

67
Q

The armature current drawn by any dc motor is proportional to the

Motor speed
Voltage applied
Flux required
Torque applied

A

B

Closed Book Exams (1 decks)

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