Journeyman Closed Book Exam 6 | REE Board Exam

This is the Multiple Choice Questions Part 6 of the Series in Journeyman Closed Book Exam as one of the Electrical Engineering Board Exam and Registered Master Electrician References. In Preparation for the REE and REE Board Exam make sure to expose yourself and familiarize yourself with each and every question compiled here taken from various sources including but not limited to past Board Exam Questions in the Electrical Engineering field, Electrical Engineering Books, Journals and other Electrical Engineering References.

Continue Practice Exam Test Questions Part 6 of the Series

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Choose the letter of the best answer in each question.

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.

a. I only

b. II only

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 to friction

b. Lubricate the core

c. Cool and insulate the transformer

d. Lubricate the coils

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 sitting position.

b. Cover the person and keep the person warm.

c. Apply artificial respiratory immediately.

d. Check the rungs of the ladder.

10. Which of the following would be used as a stop button?

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 to the air

b. Vinegar and apply a wet dressing

c. Water and apply Vaseline

d. Lye and apply a dry 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 machines

b. Shock hazard

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 is intended primarily to perform an electrical function.

b. Pulling cable into a confined area.

c. To be suitable or proper for.

d. Part of a wiring system that is intended primarily to perform mechanical function.

20. The neutral conductor ______________.

a. Is always the “white” grounded conductor.

b. Has 70% applied for household clothes dryer for a branch circuit.

c. Never apply ampacity corrections.

d. Carries the unbalanced 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-carrying requirements of the load.

b. It is free of shorts and unintentional grounds.

c. It is acceptable to Code compliance authorities.

d. It will withstand a hy-pot 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

a. I only

b. II only

c. III only

d. I, II & III

25. The main purpose of using a cutting fluid when threading conduit is to __________.

a. Prevent the formation of rust

b. Wash away the metal chips

c. Improve the finish of the thread

d. Prevent the formation of 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 electrolyte

b. Level of the 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

a. I only

b. II only

c. III only

d. I, II & III

29. Mica is commonly used in electrical construction for ______________.

a. Commutator bar separators

b. Heater cord insulator

c. Strain insulators

d. Switchboard panels

30. If a fuse becomes hot under normal load, a probable cause is _______________.

a. Excessive tension in the fuse clips

b. Rating of the fuse is too low

c. Insufficient pressure at the fuse clips

d. Rating of the fuse is too high

31. For the maximum safety the magnetic contactors used for reversing the direction of rotation of a motor should be __________.

a. Operated from independent sources

b. Electrically interlocked

c. Mechanically interlocked

d. Electrically and 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 to build up gradually

b. Permit starting under full load

c. Avoid excessive starting current

d. Obtain a low starting 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 breakdown

b. Have a longer life

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

a. I only

b. II only

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 4-way

b. Two 3-way and one 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 immediately

b. Cover the person and keep warm

c. Move the person to a window

d. Remove the persons 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-throw

b. Double-throw, single-pole

c. Single-throw, double-pole

d. Single-throw, single-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

c. Iron losses

d. Equivalent resistance of the transformer

47. The proper way to open a knife switch carrying a heavy load is to ___________.

a. Open it with care, to avoid damage to the auxiliary blade by the arc.

b. Open it slowly so that there will not be a flashover at the contacts.

c. Tie a 5 foot rope on the switch handle and stand clear of the switch.

d. Open it with a jerk so as to quickly break any arc.

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 phase

b. Low line voltages

c. Reversal of phases in the supply

d. Sustained overload

49. The National Electrical Code is sponsored by the __________.

a. Underwriters Lab

b. National Safety Council

c. National Electrical Manufacturers Association

d. National Fire Protection Association

50. Which of the following is an LB conduit body?