Journeyman Closed Book Exam #6: Start

JOURNEYMAN CLOSED BOOK EXAM #6
START
1. Something that would affect the ampacity of a conductor would be
__________.
I. voltage II. amperage
III. Length IV. temperature
A. I only B. II only
C. III only D. IV only

2. Alternating currents may be increased or decreased by means of a
__________.
A. motor B. transformer
C. dynamo D. megger
3. Fixtures supported by the framing members of suspended ceiling systems shall
be securely fastened to the ceiling framing member by mechanical means such as
__________.
I. Bolts or screws II. Rivets III. Clips identified for this use.
C. III only D. I, II & III

4. Which has the highest electrical resistance?
A. Brass B. Iron
C. Water D. Paper
5. Conductor sizes are expressed ______________.
A. only in circular mils B. in AWG or in circular mils
C. in diameter or area D. in AWG or millimeters

6. Of the following, which is not a type of file?
A. Half-round B. Bastard
C. Tubular D. Mill
7. Oil is used in many large transformers to ________________.
A. prevent breakdown due

B. lubricate the core
to friction
C. cool and insulate the

D. lubricate the coils
transformer
8. Fractional horsepower universal motors have brushes usually
made of _____________.
A. copper strands B. mica
C. carbon D. thin wire rings

9. When administering first aid to a worker suffering from fright as a result
of falling from a ladder, the most important thing to do is
______________.
A. position the person to a B. cover the person and

sitting position keep the person warm
C. apply artificial D. check the rungs of the

respiratory immediately ladder
10. Which of the
following would be
used as a stop
button?
A. figure a B. figure b
C. figure c D. figure d
11. If a co-worker is burned by acid from a storage battery, the
proper first aid treatment is to wash with _______.
A. iodine and leave it open B. vinegar and apply a wet

to the air dressing
D. lye and apply a dry

C. water and apply vaseline
bandage
12. A type of motor that will not operate on DC is the ___________.
A. series B. short shunt
C. long shunt compound D. squirrel cage

13. Receptacles installed on ____ ampere branch circuits shall be of
the grounding type.
A. 15 and 20 B. 25
C. 30 D. 40
14. Where conductors carrying alternating current are installed in metal enclosures or
metal raceways, they shall be so arranged as to avoid heating the surrounding metal by
induction, to accomplish this _____ shall be grouped together.
I. All phase conductors II. Where used the neutral III. All equipment grounding conductors
A. I only B. I & II only
C. I & III only D. I, II & III

15. A (an) __________ changes AC to DC.
A. battery B. capacitor
C. alternator D. rectifier
16. A steel measuring tape is undesirable for use around electrical
equipment. The least important reason is the ____________.
A. danger of
entanglement in rotating B. shock hazard
machines
C. short circuit hazard D. magnetic effect

17. ________ is the ability of a material to permit the flow of
electrons.
A. Voltage B. Current
C. Resistance D. Conductance
18. Automatically is self-acting, operating by its own mechanism when
actuated by some impersonal influence, such as change in ___________.
I. Temperature II. Pressure III. Current strength
A. I only B. I & II only
C. II only D. I, II & III

19. A fitting is ______________.
A. part of a wiring system that

B. pulling cable into a confined
is intended primarily to
area
perform an electrical function
D. part of a wiring system that

C. to be suitable or proper for is intended primarily to
perform mechanical function
20. The neutral conductor ______________.
B. has 70% applied for

A. is always the “white”
household clothes dryer for
grounded conductor
a branch circuit
C. never apply ampacity D. carries the unbalanced

corrections current
21. An appliance that is not easily moved from one place to another
in normal use is a ____ appliance.
A. fastened in place B. dwelling-unit
C. fixed D. stationary
22. All wiring must be installed so that when completed _________.
A. it meets the current-

B. it is free of shorts and
carrying requirements of
unintentional grounds
the load
C. it is acceptable to Code D. it will withstand a hy-pot

compliance authorities test
23. Rosin is preferable to acid as a flux for soldering wire because
rosin is ____________.
A. a powder dry B. a better conductor
C. a nonconductor D. noncorrosive
24. Utilization equipment is equipment which utilizes ____ energy
for mechanical, chemical, heating, lighting or similar purposes.
I. Chemical II. Electric III. Heat

25. The main purpose of using a cutting fluid when threading
conduit is to __________.
A. prevent the formation of B. wash away the metal

rust chips
C. improve the finish of the D. prevent the formation of

thread electrolytic pockets
26. Of the following, the best indication of the condition of the
charge of the lead acid battery is the ___.
A. temperature of the
B. level of the electrolyte
electrolyte
C. open circuit cell voltage D. specific gravity

27. In general, the most important point to watch in the operation
of transformers is the ________.
A. core loss B. exciting current
C. temperature D. primary voltage

28. When mounting electrical equipment, wooden plugs driven into
holes in ____ shall not be used.
I. Masonry II. Concrete III. Plaster

29. Mica is commonly used in electrical construction for
______________.
A. commutator bar
B. heater cord insulator
separators
C. strain insulators D. switchboard panels

30. If a fuse becomes hot under normal load, a probable cause is
_______________.
A. excessive tension in the B. rating of the fuse is too

fuse clips low
C. insufficient pressure at D. rating of the fuse is too

the fuse clips high
31. For the maximum safety the magnetic contactors used for
reversing the direction of rotation of a motor should be
__________.
A. operated from
B. electrically interlocked
independent sources
D. electrically and
C. mechanically interlocked
mechanically interlocked
32. Large squirrel cage induction motors are usually started at a
voltage considerably lower than the line voltage to
______________.
A. allow the rotor current B. permit starting under full

to build up gradually load
C. avoid excessive starting D. obtain a low starting

current speed
33. Which of the
following is a motor
starter?
34. If the voltage on a light bulb is increased 10%, the bulb will
________________.
A. fail by insulation
B. have a longer life
breakdown
C. burn more brightly D. consume less power

35. All edges that are invisible should be represented in a drawing
by lines that are ___________.
A. dotted B. curved
C. solid D. broken
36. A light bulb usually contains ___________.
A. air B. neon
C. H2O D. either a vacuum or gas

37. The service disconnecting means shall be installed ___________.
I. Outside a building II. Inside a building III. At the meter
C. III only D. either I or II

38. Critical burns are potentially ____________.
A. life-threatening B. disfiguring
C. disabling D. all of these

39. A set of lights switched from three different places can be
controlled by ______ switches.
A. two 3-way and one B. two 3-way and one

4-way 2-way
C. 2 single-pole D. four pole

40. 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 _____________.
A. start artificial respiratory B. cover the person and

immediately keep warm
C. move the person to a D. remove the persons

window shoes
41. A wrench you would not use to connect rigid metal conduit is a
____ wrench.
A. box end B. chain
C. strap D. stillson
42. The instrument that would prove least useful in testing for
opens, grounds, and shorts after the wiring has been completed is
the __________.
A. voltmeter B. ammeter
C. ohmmeter D. megger
43. A stranded wire is given the same size designation as a solid
wire if it has the same _________.
A. weight per foot B. overall diameter
C. strength D. cross-sectional area

44. 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 __________.
A. double-pole, double- B. double-throw, single-

throw pole
C. single-throw, double-
D. single-throw, single-pole
pole
45. The rating “1000 ohms, 10 watts” would generally apply to a
_________.
A. transformer B. relay
C. resistor D. heater
46. The open circuit test on a transformer is a test for measuring its
________.
A. insulation resistor B. copper losses
D. equivalent resistance of
C. iron losses
the transformer
47. The proper way to open a knife switch carrying a heavy load is
to ___________.
A. open it with care, to B. open it slowly so that

avoid damage to the there will not be a
auxiliary blade by the arc flashover at the contacts
C. tie a 5 foot rope on the

D. open it with a jerk so as
switch handle and stand
to quickly break any arc
clear of the switch
48. 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 _____________.
A. short circuit between

B. low line voltages
phase
C. reversal of phases in the

D. sustained overload
supply
49. The National Electrical Code is sponsored by the __________.
A. Underwriters Lab B. National Safety Council
C. National Electrical D. National Fire Protection

Manufacturers Association Association
50. Which of
the following
is an LB
conduit body?
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JOURNEYMAN CLOSED BOOK EXAM #6

C. III only D. IV only

C. III only D. I, II & III

A. only in circular mils B. in AWG or in circular mils

C. in diameter or area D. in AWG or millimeters

A. prevent breakdown due

C. cool and insulate the

A. copper strands B. mica

C. carbon D. thin wire rings

A. position the person to a B. cover the person and

C. apply artificial D. check the rungs of the

A. iodine and leave it open B. vinegar and apply a wet

D. lye and apply a dry

A. series B. short shunt

C. long shunt compound D. squirrel cage

A. I only B. I & II only

C. I & III only D. I, II & III

C. short circuit hazard D. magnetic effect

A. I only B. I & II only

C. II only D. I, II & III

A. part of a wiring system that

D. part of a wiring system that

B. has 70% applied for

C. never apply ampacity D. carries the unbalanced

A. fastened in place B. dwelling-unit

A. it meets the current-

C. it is acceptable to Code D. it will withstand a hy-pot

A. a powder dry B. a better conductor

C. III only D. I, II & III

A. prevent the formation of B. wash away the metal

C. improve the finish of the D. prevent the formation of

C. open circuit cell voltage D. specific gravity

A. core loss B. exciting current

C. temperature D. primary voltage

C. III only D. I, II & III

C. strain insulators D. switchboard panels

A. excessive tension in the B. rating of the fuse is too

C. insufficient pressure at D. rating of the fuse is too

A. allow the rotor current B. permit starting under full

C. avoid excessive starting D. obtain a low starting

C. burn more brightly D. consume less power

C. H2O D. either a vacuum or gas

C. III only D. either I or II

C. disabling D. all of these

A. two 3-way and one B. two 3-way and one

C. 2 single-pole D. four pole

A. start artificial respiratory B. cover the person and

C. move the person to a D. remove the persons

A. box end B. chain

A. weight per foot B. overall diameter

C. strength D. cross-sectional area

A. double-pole, double- B. double-throw, single-

A. insulation resistor B. copper losses

A. open it with care, to B. open it slowly so that

C. tie a 5 foot rope on the

A. short circuit between

C. reversal of phases in the

A. Underwriters Lab B. National Safety Council