2-5 test

47.) after centering the black stress control tube over the splice area, you will need to use a torch to shrink the tubing. You should start at the center and shrink toward one end and stop approximately _______ from the end of the tubing A. 3" B. 4" C. 5" D. 6"

A. 3"

31.) time and money might be saved be performing a(n)_______ test on a cable that may have been damaged during shipping and handling. A. Acceptance B. Factory C. Maintenance D. Shipping

A. Acceptance

14.) to upgrade a basic (tubular) 15-kilovolt heat shrink termination for 25-kilovolt use, you _______? A. Add separate heat shrink skirts B. Apply silicone tape over creepages area. C. Increase insulation thickness at the shield termination D. Increase the jacket opening

A. Add separate heat shrink skirts

33.) when checking a faulted cable run, the section must be grounded to drain any ________ In the cable. A. Capacitance B. Current C. Reactance D. Resistance

A. Capacitance

40.) In some cable faults, a path must be _______ before arcing will occur during a thumper test. A. Carbonized B. Insulated C. Moist D. Narrowed

A. Carbonized

49.) when using a manufacturer's termination kit, the key to making a quality installation is ________?. A. Carefully follow IEEE installation guidelines B. Carefully follow the manufacturer's instructions C. Proper use of manufacturer's specialty tools: penciling tool, speed stripper, semi-con scorer, etc D. Using IEEE class 3 terminations for all terminations-with complete external leakage insulation between the cable conductor(s) and ground

A. Carefully follow IEEE installation guidelines

42.) when troubleshooting an underground system, a grounding spike is used to _______ ?. A. Connect a ground-gradient mat to the cable conductor. B. Ground the shielding of the cable you are about to work on. C. Isolate the cable that is faulted from the other cables in the system. D. Verify the cable you are about to work on is de-energized

A. Connect a ground-gradient mat to the cable conductor.

7.) a safe method of performing work on high voltage conductors is to bond together all exposed conductors, after they have been isolated, and connect them to a point of common safety grounding. This is called ________ A. Equipotential bonding B. Ground-fault protection C. Grounding electrode D. Hazardous location bonding jumper

A. Equipotential bonding

44.) The fan used for delivering air into a permit-required space should be at least ______ away from the opening A. 5' B. 10' C. 15' D. 20'

B. 10'

2.) Cables in the _______ insulation level shall be used on circuits that are provided with relay protection such that the ground fault will be cleared within one hour. A. 100% B. 133% C. 176% D. 200%

B. 133%

37.) A cable will have a voltage on it long after a highly voltage test is completed because the cable's structure makes it a(n) _________ A. Battery B. Capacitor C. Conductor D. Inductor

B. Capacitor

16. A terminations _______ distance is the surface distance between a conductor and a ground. A. Arcing B. Creepage C. Dielectric D. Live-front

B. Creepage

25.) the advantage of ________ bonding is that it neutralizes shielding currents and reduces fault currents. A. Concentric B. Cross C. Double-end D. Single point

B. Cross

5.) A typical manhole is considered a(n)________ space. A. Confined B. Enclosed C. Permit required D. Ventilation required

B. Enclosed

43.) A device that points the way to the general area of a fault on an underground system is a(n) _________ A. Cable-route indicator B. Fault-circuit indicator C. Isolating indicator D. Over-voltage recorder

B. Fault-circuit indicator

46.) ideally, all entrants into a confined space should wear a(n) _______ A. Air-monitoring device B. Full-body harness C. Lanyard D. Safety belt

B. Full-body harness

39.) to test a secondary cable that has no sheath , with the inductive-coupling method, a _________ must be placed on each end of the cable. A. Corona cutting capacitor B. Ground C. Receiver D. Transmitter

B. Ground

6.) Rubber gloves shall be worn when a vault or cabinet with a live cable is opened and shall be worn continuously until the vault or cabinet is locked, is known as the _____ rule. A. general entry B. lock to lock C. OSHA 1910.259 D. Personal protective equipment

B. Lock to lock

29.) Cable ends that have been cut after installations and exposed to the atmosphere will collect ______?. A. Carbon deposits B. Moisture and contamination C. Stray voltage D. Tracking induced erosion

B. Moisture and contamination

11.) which item listed below is common cause of cable failure due to poor workmanship ? A. Cutting the metallic shielding evenly B. Not removing of semi-conducting material C. Removing insulation at the end of the cable, causing the insulation to be shaped like a sharp pencil D. Using a non-conductive abrasive to clean the cable insulation

B. Not removing of the semi-conducting material

34.) very low frequency testing is becoming the test of choice when conducting cable insulation testing because of concern that other testing method. A. Are most costly and less reliable B. Reduce the life of field-aged cable C. Require more equipment and manpower D. Require more time and expense

B. Reduce the life of filed-aged cable

32.) when using a megohmmeter for an insulation test, if the meter reads ______ for each kilovolt of cable ratings, the cable is considered good. A. 10 ohms B. 1,000 ohms C. 1 M ohms D. 10 M ohms

C. 1 M ohms

45.) oxygen content within a perm-required confined space must be between ______ and______ A. 16.5%/22.5% B. 17.5%/23.5% C. 19.5%/23.5% D. 25%/26.8%

C. 19.5%/23.5%

20.) when constructing a medium or high voltage splice, there is/are _______ layer(s) of shielding replaced. A. 1 B. 2 C. 3 D. 4

C. 3

9.) the electrical grounding brand used to ground a splice or termination has a high current-carrying capacity equal to that of a(n)______ wire. A. 1/0 AWG B. 2 AWG C. 6 AWG D. 8 AWG

C. 6 AWG

3.) The ability of insulation to contain electricity within the conductor is known as its ______ strength. A. Capacitive B. Conductive C. Dielectric D. Resistive

C. Dielectric

30. Avoid sharp bending of the cable at the ________ in overhead installation by locating the pay-off reel far enough away so that the lead-in angle is kept relatively flat. A. Capstan winch B. Duct entrance C. First pulley D. Line truck

C. First pulley

22.) A(n) _______ is used to park an energized (and de-energized) elbow. A. Feed-through stand B. Grounded stand-off C. Insulated stand-off D. Parking ground stand

C. Insulated stand-off

21.) A component designed to make and break an energized circuit is called a ________ elbow connector A. Bushing insert B. Dead break C. Loadbreak D. Modular

C. Loadbreak

48.) stress relief material (SRM) is also referred to as ________ A. A stress cone B. Jacketing C. Mastic D. Semiconductive insulation

C. Mastic

4.) On underground cable, a _______ shield is placed over the insulation shield. This shield serves as a path for the return current (neutral) A. Capacitive B. Corona C. Metallic D. Tape

C. Metallic

50.) Kits for external grounding contains a bonding braid with a solder or ________ close to one end . A. a terminal lug B. Constant force spring C. Moisture block area D. Tape shield

C. Moisture block area

19.) A splice jacket provides mechanical protection and ________ protection? A. Arcing B. Corona C. Moisture sealing D. Transit voltage

C. Moisture sealing

41.) when installing an underground system ________ is a main cause of future cable failure. A. Corrosion B. Excessive cable pulling lubricant C. Poor workmanship D. Stopping and starting pulls

C. Poor workmanship

28.) when a solid dielectric cable is cut , unless splicing will be done immediately, the ends should be _______ ?. A. Free of insulation B. Placed in a cable sleeve C. Properly sealed D. Soldered

C. Properly sealed

13.) if not cautious when scoring the semi-conductive layer, damage can be done to the underlying insulation layer when making a spiral cut, a longitudinal cut, or a _______ ? A. Pencil B. Primary insulation C. Ring D. String

C. Ring

18.) the product which first allowed medium and high voltage splices to be connected with standard crimp type connectors is _______?. A. Aluminum oxide B. Insulation tape C. Semi-conducting tape D. The MD-6 crimping tool

C. Semi-conducting tape

26.) the traditional method of connecting a cable accessory's metallic ground to a cables metallic shield is _______?. A. a split-bolt connector B. An automatic sleeve C. Soldering D. Wire metallic mesh

C. Soldering

27.) voltage rating is only one of many items that should be checked against the ________ before installation to be certain that the correct cable is being installed. A. Job specifications B. Project assignment sheets C. Splicing and terminating prints D. Work permit

C. Splicing and terminating prints

24.) To reduce shield voltage to 25 volts or less, the RUS (Rural Utility Service) introduced regulations stating that a jacketed cable must be grounded a minimum of _________ ground(s) per mile. A. 1 B. 2 C. 3 D. 4

D. 4

38.) after conducting a test with a thumper, most manufacturers recommend leaving the ground in place for at least ________ times the duration of the test. A. 2 B. 3 C. 4 D. 5

D. 5

15.) corona is another name for a ______ discharge? A. Full voltage B. High current C. Low current D. Partial

D. Partial

17. An ideal cable joint (splice) should be as strong and reliable, both electrically and ______ As the cable in which it is installed. A. Dimensionally B. Hydrostatically C. Longitudinally D. Physically

D. Physically

36.) A high potential (Hi-pot) test is also called a withstand or ______ test. A. Acceptance B. Current C. High voltage D. Proof

D. Proof

1.) A(n) _______ layer on the outer surface of the insulation will spread the electric field uniformly and prevent a concentration of any electric field induced by the concentric neutral wire. A. Grounding conductor B. Insulation C. Jacketing D. Semi-conducting

D. Semi-conducting

12.) scoring tool is used for removing the _______ layer sod cable. A. Insulation shield B. Primary insulation C. Semi-conducting D. Strand shield

D. Semi-conducting

8.) which item listed below is NOT a common shape of stranded conductor ?. A. Compact sector B. Concentric round C. Segmental D. Solid round

D. Solid round

23.) A two-way 600-ampere modular component can perform the same basic service as a _________ A. Loadbreak B. Pothead termination C. Single stress cone termination D. Splice

D. Splice

10.) the three main categories of cable insulation are thermosetting, Laminated, and _______ A. Corona limiting B. Full dielectric C. Thermoelectric D. Thermoplastic

D. Thermoplastic

35.) which method/test instrument listed below is NOT used for testing cable insulation. A. Hi-potential (Hipot) B. Megohmmeter C. Very low frequency (VLF) D. Voltmeter

D. Voltmeter