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WorksheetsRME-JOURNEYMAN #2
Total questions: 73
Worksheet time: 24mins
Electrical current is measured in terms of __________.
Electron pressure
Electron passing a point per second
Watts
Resistance
A stop switch is wired __________ in a motor circuit.
Series
Series-shunt
Series-parallel
Parallel
An autotransformer has __________.
One coil
Two coil
Three coil
Four coil
What type of meter is shown below?
Wattmeter
Ammeter
Ohmmeter
Voltmeter
Concrete, brick or tile are considered as being __________.
Isolated
Insulators
Grounded
Dry locations
is the symbol for a __________ panel.
Power
Wall-mounted
Lighting
Surface-mounted
A corroded electrical connection __________.
Decreases the voltage drop
Decreases the resistance of the connection
Increases the resistance of the connection
Increases the ampacity at the connection
An AC ammeter or voltmeter is calibrated to read RMS values; this means the meter is reading the __________ value.
Maximum
Peak
Average
Effective
The correct connection for the two 120 volt lights to the single-pole switch would be __________.
1-4 2-6 3-5-7
1-6 2-5 3-4-7
1-7 2-5-6 3-4
1-5 2-6-7 3-4
The location of a wall receptacle outlet in the bathroom of a dwelling shall be installed __________.
The Code does not specify the location
Adjacent to the toilet
Within 36” of outside edge of basin
Across from the shower
On a delta three-phase four-wire secondary, how many hot wires may use the common neutral?
1
2
3
4
It shall be permissible to apply a demand factor of __________ to the nameplate-rating load of four or more appliances fastened in place served by the same feeder in a dwelling.
70%
75 %
60%
80%
Insulated nonmetallic boxes are made of __________.
I. Polyninyl chloride
II. Bakelite
III. Bower-Barff lacquer
I only
II only
I & II only
I, II & III
Tungsten-filament lamps can be used on __________ circuits.
AC
DC
AC and DC
d. None of these
An overcurrent protective device with a circuit opening fusible part that is heated and severed by the passage of overcurrent through it is called a __________.
Current-limiter
Fuse
Circuit breaker
Thermal overload
The service conductors between the terminals of the service equipment and a point usually outside the building, clear of building walls, where joined by a tap or splice to the service drop is called the __________.
Service drop
Service-entrance conductors
Service equipment
None of these
If you needed to know the provisions for the installation of stationary storage batteries, you would refer to the Article __________ of the Code.
225
445
460
480
A chain wrench can be used __________.
I. With one hand only
II. In confined places & close to walls
III. For all sizes of conduit.
I & II only
I & III only
II & III only
I, II & III
To cut rigid conduit you should __________.
Use 3-wheel pipe cutter
Use cold chisel and ream the ends
Use hacksaw and ream the ends
Order it to cut size
A fixture that weighs more than __________ pounds shall be supported independently of the outlet box.
25
30
35
50
Is it permissible to install direct current and alternating current conductors in the same outlet box?
Yes, if insulated for the maximum voltage of any conductor
No, never
Yes, if the ampacity is the same for both conductors
Yes, in dry locations
Electrical equipment shall be installed __________.
Better than the minimum Code allows.
According to the Local Code when more stringent than the N.E.C.
According to the N.E.C regardless of Local Code
According to the Local Code when less stringent than the N.E.C.
Voltage drop in a wire is __________.
The wire resistance times the voltage
The percentage of the applied voltage
A function of insulation
Part of the load voltage
Conductors shall not be installed in locations where the operating temperature will exceed that specified for the type of __________ used.
Connectors
Protection
Insulation
Wiring
Galvanized conduit has a finish exterior and interior of __________.
Lead
Copper
Nickel
Zinc
Which of the following is the best type of saw to use to cut a 3” diameter hole through ½” plywood?
Circular Saw
Saber saw
Hack saw
Cross-cut saw
Which of the following machine screws has the smallest diameter?
6-32 x 1”
10-32 x ¾”
8-32 x ½”
10-24 x 3/8”
Which of the following is the most important factor contributing to an electricians safety on the job?
Work at slow pace
Always wear leather gloves
Be alert at all times
Never be late for break
A one-quarter bend in a raceway is equivalent to an angle of __________ degrees.
90
45
25
180
A 3Ω, a 6Ω, a 9Ω and a 12Ω resistor are connected in parallel. Which resistor will consume the most power?
3Ω
6Ω
9Ω
12Ω
. Listed ceiling (paddle) fans that do not exceed __________ pounds in weight, with or without accessories, shall be permitted to be supported by outlet boxes identified for such use.
35
45
50
60
The best way to lay out a 40 foot long straight line on a floor is to __________.
Use a steel measuring tape with dark crayon
. Use a plumb bob with long string
Use a long 2 x 4 and a lead pencil
Use a chalk line
Silver is used on electrical contacts to __________.
Avoid corrosion
Improve efficiency
Improve continuity
Improve appearance
Electricians should be familiar with the rules and regulations of their job mainly to __________.
Eliminate overtime
Increase wages
Perform their duties properly
Save time
To determine if the raceway is truly vertical an electrician would use a __________.
Plumb bob
Transmit level
Square
Level
In order to prevent a safety hazard an electrician should never __________.
Strike a hardened steel surface with a hardened steel hammer.
Use a soft brass hammer to strike a soft brass surface.
Strike a soft iron surface with a hardened steel hammer.
Use a soft iron hammer to strike a hardened steel surface.
Service drop conductors not in excess of 600 volts shall have a minimum clearance of __________ feet over residential property and driveways, and those commercial areas not subject to truck traffic.
10
12
15
18
When conduit or tubing nipples having a maximum length not to exceed 24” arc installed between boxes they shall be permitted to be filled __________ percent of its total cross-sectional area.
31
40
53
60
Before using rubber gloves when working on high voltage equipment in the gloves should be __________.
Cleaned inside & out
Tested to withstand the high voltage
Oiled inside & out
Brand new
Stranded wire should be __________ before being placed under a screw head.
Tinned
Twisted together tightly
Coated with an inhibitor
Sanded
A 3Ω, a 6Ω, a 9Ω and a 12Ω resistor are connected in series. The resistor will consume the most power is the __________ ohm.
3Ω
6Ω
9Ω
12Ω
What Article of the NEC refers to grounding?
230
240
250
300
The total of the following numbers 8 5/8”, 6 ¼”, 7 3/16”, and 5 ¼” is __________.
27 5/16”
26 1/8”
28 7/8”
none of these
A fusestat is different from the ordinary plug fuse because a fusestat __________.
Doesn’t have threads
Has left-hand threads
Has different size threads
Has an aluminum screw shell
The symbol usually indicates a (an) __________.
A switch
Receptacle
Ceiling outlet
Exhaust fan
A fuse on a 20 amp branch circuit has blown. The fuse is replaced with a 20 amp fuse and the fuse blows when the switch is turned on. The electrician should __________.
Check the ground rod connection first
Change to a circuit breaker
Install a 30 amp fuse
Check the circuit for a problem
To sharpen an electrician’s knife, you would use a __________ stone.
Rubber
b. Carborundum
Rosin
Bakelite
The decimal equivalent of 3/16” is __________.
0.125
0.1875
5.33
None of these
When drilling into a steel I-beam, the most likely cause for breaking a drill bit would be __________.
The drill bit is too dull
Too slow a drill speed
Too much pressure on the bit
Too much cutting oil on bit
Which of the fuses is blown?
L1 fuse is blown
L2 fuse is blown
Both fuses are blown
Neither fuse is blown
Locknuts are sometimes used in making electrical connections on studs. In these cases the purpose of the locknuts is to __________.
Be able to connect several wires to one stud
Make it difficult to tamper with the connection
Make a tighter connection
Prevent the connection from loosening under vibration
To cut rigid conduit you should __________.
Use a 3-wheel pipe cutter
Use a cold chisel and ream the ends
Use a hacksaw and ream the ends
Order it to cut size
In the course of normal operation the instrument which will be least effective in indicating that a generator may overheat because it is overloaded, is __________.
A wattmeter
A voltmeter
An ammeter
A stator thermocouple
Two switches in one box under one face-plate is called a __________.
Double-pole switch
Two-gang switch
2-way switch
Mistake
A conduit body is __________.
A cast fitting such as an FD or FS box
A standard 10foot length of conduit
A sealtight enclosure
A “LB” or “T”, or similar fitting
A dwelling unit is __________.
One unit of an apartment.
One or more rooms used by one or more persons.
One or more rooms with space for eating, living and sleeping
One or more rooms used as a housekeeping unit and having permanent cooking and sanitation provisions.
Enclosed means, surrounded by a __________ which will prevent persons from accidentally contacting energized parts.
I. Wall
II. Fenced
III. Housing or case
I only
II only
.III only
I, II & III
Where the conductor material is not specified in the Code, the conductors are assumed to be __________.
Bus bars
Aluminum
Copper-clad aluminum
Copper
The voltage lost across a portion of a circuit is called the __________.
Power loss
Current
Voltage drop
Wattage
In a series circuit __________ is common.
Resistance
Current
Voltage
Wattage
The service disconnecting means shall be installed ___________.
I. Outside a building
II. Inside a building
III. At the meter
I only
II only
III only
either I or II
Critical burns are potentially ____________.
Life-threatening
Disfiguring
Disabling
All of these
A set of lights switched from three different places can be controlled by ______ switches.
Two 3-way and one 4-way
Two 3-way and one 2-way
2 single-pole
Four pole
A fellow electrician is not breathing after receiving an electrical shock, but is no longer in contact with the electricity; the most important thing for you to do is _____________.
Start artificial respiratory immediately
Cover the person and keep warm
Move the person to a window
Remove the persons shoes
A wrench you would not use to connect rigid metal conduit is a ____ wrench.
Box end
Chain
Strap
Stillson
The instrument that would prove least useful in testing for opens, grounds, and shorts after the wiring has been completed is the __________.
Voltmeter
Ammeter
Ohmmeter
Megger
A stranded wire is given the same size designation as a solid wire if it has the same _________.
Weight per foot
Overall diameter
Strength
Cross-sectional area
A lighting fixture is to be controlled independently from two different locations. The type of switch required in each of the two locations is a __________.
Double-pole, double-throw
Double-pole, single-throw
Single-pole, double-throw
Single-pole, single-throw
The rating “1000 ohms, 10 watts” would generally apply to a _________.
Transformer
Relay
Resistor
Heater
The open circuit test on a transformer is a test for measuring its ________.
Insulation resistor
Copper losses
Iron losses
Equivalent resistance of the transformer
The proper way to open a knife switch carrying a heavy load is to ___________.
Open it with care, to avoid damage to the auxiliary blade by the arc.
Open it slowly so that there will not be a flashover at the contacts.
Tie a 5 foot rope on the switch handle and stand clear of the switch.
Open it with a jerk so as to quickly break any arc.
When the thermal overload relays are used for the protection of polyphase induction motors, their primary purpose is to protect the motors in case of _____________.
Short circuit between phase
Low line voltages
Reversal of phases in the supply
Sustained overload
The National Electrical Code is sponsored by the __________.
Underwriters Lab
National Safety Council
National Electrical Manufacturers Association
National Fire Protection Association
