Apprentice III Test

10. A ground wire can be guarded by location. For example, a ground wire can be placed on the quarter of a pole that is not facing oncoming traffic. Which rule addresses this?

093D#

16 What is the turns ratio of an isolation transformer?

1-1 #

6 Converting a single phase Wye line to a three phase Wye line can reduce line loss by?

1/3 #

18. The required clearance for energized parts inside the perimeter fence of a substation starts at?

10 FEET #

12. Using Figure 11.4 (ExampleChart) found in section 11.1, what is the minimum clearance of a secondary voltage cable over a catwalk?

11 FEET #

7. In a conduit system the required separation of electric supply conduits from communication conduits is _______ INCHES when earth is used for backfill

12 inches

15. Using Figure 11.4 ( Example Chart ) found in section 11.1, determine the minimum clearance of primary voltage open phase conductors over a building roof not accessible to pedestrians.

12.5 FEET #

19. Using Figure 11.4 ( Example Chart ) found is section 11.1, what is the minimum clearance of primary voltage open phase conductors over an area accessible to pedestrians?

13.5 FEET #

25. Using Figure 9.1 (Example Chart) in Chapter 9.2 what is the minimum clearance of open supply conductors (751V to 22KV) above cuts, etc, in rural areas where trucks are not likely?

16.5 FEET #

9 What is the minimum distance trench spoils (tailings) must be stored from the edge of a trench or excavation?

2 FEET #

1. Rule 236 states that a minimum climbing space of ___ inches nX ___inches be provided.

24x24#

5. Using figure 9.1 (Example Chart) in chapter 9.2 determine the minimum clearance of primary voltage open phase conductors (751V to 22KV) from top of rails.

26.5 ft #

7. The basic crossing clearance between communication conductors and covered supply conductors energized up to 750 volts is?

2ft #

23. Using Figure 11.4 (Example Chart) found in section 11.1, what is the minimum clearance of a supply neutral over a building roof not accessible to pedestrians?

3 FEET #

20. The basic crossing clearance between communication conductors and open supply conductors energized up to 750 volts is?

4 FT #

2. Rule 380D requires that pad mounted equipment be not less than _________ feet from fire hydrants to allow operation of the hydrants by firefighters.

4 feet#

6. At no place in the span can the facilities of one utility have less than ___ inches clearance to those of another utility, except by agreement.

4 inches

11. Rule 235C states that the communication worker safety zone be at least?

40 INCHES #

22. At what trench depth is a means of access and egress (Ladder, or equivalent required)?

4FEET#

18 How deep does a trench have to be before protection is required?

5 FEET #

18. The horizontal clearance for parallel lines is specified to not be less than?

5 FEET #

3. Before work is performed on capacitors, they must be disconnected from energized sources and, after waiting ____ MINUTES from the time of disconnection, short circuit.

5 minutes

6. A substation fence is required to be _______feet or more in height.

7 feet#

22. Rule 125 specifies a working space of _____ FEET HIGH and ____FEET DEEP IN FRONT OF ENERGIZED PARTS BELOW 600 VOLTS.

7 ft. High and 2.5 ft. deep

24. In regards to working around excavations, which of the following statements about a competent person is true?

A COMPETENT PERSON MUST BE ABLE TO IDENTIFY UNSANITARY CONDITIONS#

16. Which of the following best describes an abnormal condition?

A CONDITION SUCH AS HIGH/LOW VOLTAGE, EXCESSIVE CURRENT, OR INCORRECT FREQUENCY#

8. A ballast is a component of?

A LUMINAIRE #

22 Which of the following best describes VOLTAGE SAG?

A MOMENTARY DIP OR DROP #

2 Shoring is best described as?

A PORTABLE STRUCTURE USED TO SUPPORT THE SIDES OF A TRENCH OR EXCAVATION #

22. Working spaces allow the lineworks?

ACCESS TO ALL THE PIN AND INSULATOR POSSITIONS #

9. If an operator cannot accurately determine the distance between the boom and an energized line, what must be done?

ANOTHER PERSON MUST WATCH AND GIVE WARNINGS#

1. What can cause harmonic interferences?

ANY LOAD THAT IS NOT PURELY RESISTIVE #

14 Which of the following is NOT safe when working with helicopters?

APPROACH THE HELICOPTER FROM THE REAR ONCE THE PILOT HAS SIGNALED

20. Rule 110A requires?

APPROPRIATE SAFETY SIGNS AT EACH ENTRANCE OF A SUBSTAION #

21. Lead wire lengths on arrestors should be

AS SHORT AS POSSIBLE#

15. The Primary location of fungal decay in poles occurs?

AT GROUND LEVEL #

21. In reference to rule 093A and 093B, an equipment (Transformer for example) lead coming from the primary line should?

ATTACH TO THE ARRESTOR FIRST THEN THE EQUIPMENT #

3. Rule 224A requires the installation of communication cables in the supply space to be?

AUTHORIZED BY THE COMPANY CONTROLLING THE SUPPLY SPACE#

9. Babe, this one didn't have a question? Love you though

BECAUSE OF THE RELIANCE ON DEVICES THAT ARE SENSITIVE TO SMALL DISTURBANCES

5 Which is NOT a common method for controlling capacitor banks?

CHARGING CONTROL #

4. To safely bypass a regulator, step 4 is to?

CHECK ACROSS THE SOURCE AND LOAD TERMINALS WITH AN APPROVED NEUTRAL DETECTOR#

23 To safely bypass a regulator, step 1 is to?

CHECK THE POSITION INDICATOR AND DETERMINE WHAT POSITION THE REGULATOR IS ON #

7 To safely bypass a regulator, step 3 is to?

CHECK TO SEE THAT THE NEUTRAL LIGHT IS ON CONFIRMING THE REGULATOR IS ON THE NEUTAL POSSISSION

7 What is the purpose of an SDS?

COMMUNICATE THE HAZARDS OF CHEMICALS #

17. Which of the following is not a clearance concern around grain bins?

CONTACTING THE LINE WITH A VACUUM SKIMMER POLE #

2. A hydraulic actuator?

CONVERTS LIQUID PRESSURE TO LINEAR OR ROTARY MOTION #

12. If several pieces of protection equipment on the same line operate in the proper sequence during a fault, they are said to be?

COORDINATED #

4 Why do companies and safety professionals agree to record job briefings?

CREATE PERMANENT RECORD OF THE JOB BREIFING #

12 A magnetic field is caused by?

CURRENT ( AMPERAGE) #

11. These valves are the type that the operator uses to send fluid to extend or retract a cylinder?

DIRECTIONAL CONTROL VALVES #

22. A zone of protection is best described as

EACH DEVICE HAS A PRIMARY AND A BACKUP ZONE OF PROTECTION THAT ASSURES A RELIABLE PROTECTION SCHEME

14. In regards to pulling and/or tensioning equipment, which of the following best method for minimizing differences in electrical potential?

ELECTICALLY BOND THE EQUIPMENT TOGETHER AND USE GROUND MATS#

3 Which statement is true regarding EMF?

EVERYONE IS EXPOSED TO EMF #

1. A wave trap is a device that traps current spikes on a transmission line.

FALSE #

13 (T/F) Osha requires job briefings

FALSE #

16 (T/F) A magnetic field exists around the entire earth?

FALSE #

16. Rule 381 G2 requires enclosures that contain exposed live parts (live front transformers for example to have a three door barrier system.

FALSE #

17 Pascals law states that liquids are easily compressed?

FALSE #

21. (T/F) Workers working in an excavation must be protected from a cave in if the excavations is 3 ft deep?

FALSE#

2. Which of the following statements about Federal Energy Regulatory Commission is TRUE?

FERC PROMOTED THE ESTABLISHMENT OF REGIONAL INDEPENDENT SYSTEM OPERATORS

20. An attendant must be trained in?

FIRST AID AND EXTERNAL RESCUE PROCEDURES#

18 What is the difference between fixed and switched capacitor banks?

FIXED BANKS ARE MANUALLY TURNED ON OR OFF AND SWITCHED CAPACITOR BANKS AUTOMATICALLY TURNS ON AND OFF #

12 According to the book which of the following is considered a common continuing disturbance that lineworkers are called to investigate?

FLICKERING LIGHTS

25 Which of the following is the term used to describe the amount of light falling on a one square foot surface, one foot away from one candela source?

FOOT CANDLE #

16. If a hazardous atmosphere exists in an enclosed space, what must be done to try to maintain a safe atmosphere?

FORCED AIR VENTILATION#

2. NESC section 24 states three grades of construction. Which grade is the HIGHEST

GRADE B#

8. Which grade of construction is required for lines running over railroads and limited access highways?

GRADE B#

4. Which grade of construction is considered THE USUAL CONSTRUCTION?

GRADE C#

13. According to the NESC which of the following methods provides the most effective ground source?

GROUND ROD INSTALLED IN UNDISTURBED SOIL #

18. Enclosed spaces?

HAVE LIMITED MEANS OF EGRESS#

10. Which of the following best describes why HUNTING occurs in regards to voltage regulators?

INCORRECT DELAY AND BANDWIDTH SETTINGS#

14. In order to have a successful outage report system?

INFORMATION FROM FIELD PERSONNEL IS NECESSARY#

24. What is a possible solution to reduce the number of customers affected (improve service reliability) if outages continually occur in a specific location along a distribution circuit?

INSTALL RECLOSERS AND FUSES IN THE PROBLEM AREA#

17 The disadvantage of sloping a trench is?

IT CREATES HUGE AMOUNTS OF TRENCH SPOILS #

19 According to the book, which of the following is not a typical question during a coordination study?

LENGTH OF SECONDARY CONDUCTORS#

21 Which of the following helicopter applications includes the use of a platform attached to the helicopter

LIVE-LINE CONDUCTOR MANTANCE

16. When speaking of loads on line structure, horizontal loads are further divided into?

LOADS ALONG THE LINE AND ACROSS THE LINE

3. Which of the following is NOT true when working around helicopters?

MANY UTILITY COMPANYS DO NOT REQUIRE RUBBER GLOVES #

23. Critical safety components are associated with?

MECHANICAL EQUIPMENT#

2. Which of the following is a system protection objective as mentioned in the book?

MINIMIZE THE NUMBER OF CUSTOMERS OUT OF SERVICE AND THE TIME THEY ARE OUT OF SERVICE

20. This type of outage is short term and a recloser can restore service.

MOMENTARY OUTAGE#

7. Conductive fences surrounding substations? '

MUST BE GROUNDED''

8. Which of the following transmission relaying schemes utilize some form of a telecommunication system to provide communication between relays?

PILOT WIRE RELAYING#

15 Which of the following helicopter applications utilizes a "Lay Down Yard"?

POLE SETTING#

7. Which of the following best describes an environmental hazard associated with the capacitors in street light ballasts manufactured before 1979?

POLYCHLORINATED BIPHENOLS #

9 Parallel Path Flows are associated with the concept that?

POWER FLOW IN AN INTERCONNECTED TRANSMISSION SYSTEM CAN TAKE MANY PATHS #

14 Which of the following statements about rule 153 is TRUE?

POWER TRANSFORMERS IN STATIONS MUST HAVE THE MEANS TO PROTECT THEMSELVES FROM SHORT CIRCUITS #

8 The arrangement for one utility to deliver power to another utility over its lines is best described as?

POWER WHEELING #

6. What functions do current and potential transformers typically perform in a protection scheme?

PROVIDE REDUCED VOLTAGE AND CURRENT VALUES TO RELAYS #

25 Which of the following statements about reactors is TRUE?

REACTORS ADD AN INDUCTIVE LOAD TO AN ELECTRICAL SYSTEM UNDER LIGHT LOADING CONDITIONS #

19 How can hydraulic spills ( caused by motorized equipment) be reduced or prevented?

REGULAR INSPECTION AND REPAIR OF EQUIPMENT#

1. Soil used for backfill material around direct buried cables should be free of debris that can harm the cables as stated by which rule?

RULE 352 #

12 Power system losses are typically much higher in?

RURAL AREAS #

3. Which piece of equipment cannot interrupt fault current?

SECTIONALIZERS #

11 What is the first step taken when an oil spill occurs?

SECURE THE AREA #

21 Surge protection on the customers system is critical for preventing damage to?

SENSITIVE ELECTRONIC EQUIPMENT #

10. Outage performance indices are used by utilities to monitor?

SERVICE RELIABILITY#

11 Series capacitors are typically used on transmission lines and have the effect of?

SHORTENING THE LINE #

1. Soil types need to be known when?

SLOPING A TRENCH #

11. What is the purpose of the NESC?

SPECIFY BASIC SAFETY REQUIREMENTS #

12. What does rule 092E, grounding methods require?

SUBSTATION FENCES AND OTHER EXPOSED NON CURRENT CARRYING METAL PARTS MUST BE EFFECTIVELY GROUNDED #

4. Differential protection is the main scheme of protection for?

SUBSTATIONS#

5. Which of the following voltage variation terms typically refers to transmission lines, and is not likely to propagate into a distribution customers service?

SWITCHING SURGE #

17 Transmission systems have limits regarding loading. Whose responsibility is it to make sure these limits are not excedded?

SYSTEM OPERATOR #

15 One way to ensure that every employee is using safety is to make the SDS readily available for all chemicals in the workplace. What are the SDS?

Safety Data Sheets#

15. Which types of faults are most common?

TEMPORARY #

19 If a problem defect is found and cannot be fixed at that time, the NESC requires?

THAT THE PROBLEM BE RECORDED UNTIL IT CAN BE REPAIRED

6. Two precautionary measures must be taken before installing or removing draw out-type substation circuit breaker. What is one of them? '

THE BREAKER MUST BE IN OPEN POSSITION''

11. Which of the following does not belong before entering an enclosed space?

THE CABLES AND EQUIPMENT MUST BE DE-ENERGIZED''

24. With respect to inspection frequency.

THE CODE ALLOWS THE UTILITY TO DETERMINE HOW OFTEN INSPECTIONS OCCUR #

25. What must be done before climbing a pole?

THE EMPLOYEE MUST DETERMINE THAT IT CAN WITHSTAND THE STRESSES WITHOUT FALLING#

23. A linecrew accidentally left a line recloser in the non reclose position after completing their live line work. Sometime later a fault occurred on that circuit. What would the result be?

THE ENTIRE CIRCUIT WOULD LOCK OUT AND AN EXCESSIVE NUMBER OF CUSTOMERS WOULD BE OUT OF POWER#

10. Maximum SAG is?

THE GREATEST SAG THAT WILL OCCUR UNDER THE WORST CASE LOADING CONDITIONS.#

24. When calculating the width of right of way?

THE HORIZONTAL DISPLACEMENT OF THE CONDUCTORS UNDER WIND LOADING MUST BE CONSIDERED #

8. A direct-reading meter is used to test?

THE INTERNAL ATMOSPHERE OF AN ENCLOSED SPACE''

19. The job briefing prior to each job performed in a substation must include at least two additional subjects. One of which is?

THE LOCATION OF ENERGIZED EQUIPMENT ADJACENT TO THE WORK AREA#

6. Who determines the frequency of the line inspections?

THE NESC #

25. What change was made with the 1993 edition of the code?

THE NESC APPLIES TO THE PERSON DOING THE WORK, NOT NECESSARILY THE OWNER #

6 Who is responsible to lead the job briefing?

THE PERSON IN CHARGE #

2. If a pole is to be climbed and it is determined that it may not withstand the added stresses imposed on it, what must be done?

THE POLE MUST BE BRACED OR SUPPORTED

23 An electric field is caused by?

THE PRESENCE OF VOLTAGE# Magnet field is caused by current flow.

1. What is the benefit of convert a distribution line to a higher voltage?

THERE WILL BE A REDUCTION IN CURRENT#

9. When a short span is next to a long span.

THERE WILL BE MORE SAG CHANGE IN SHORT SPAN AND LESS IN THE LONG SPAN#

23 How do the NESC, NEC AND OSHA standards compare?

THEY COORDINATE WITH EACH OTHER #

4. If induction from an energized parallel line is a hazard, what must be done before two de-energized conductors are spliced?

THEY MUST BE BONDED AND GROUNDED#

25. What is the function of a relay?

TO DETECT A FAULT CURRENT AND INITIATE THE TRIPPING OF THE CIRCUIT BREAKERS OR RECLOSERS#

14 Sheilding is used?

TO PREVENT A TRENCH OR EXCAVATION FROM CAVE IN #

8. Why are Manhole covers round?

TO PREVENT THEM FROM FALLING INTO THE MANHOLES #

7. Which of the following statements best describes the function of a sectionalizer?

TO SECTIONALIZE FAULTS DOWNSTREAM FROM RECLOSERS OR BREAKERS#

10 An SDS should be available for all chemicals stored on company property such as WD_40 and paint?

TRUE #

13 (T/F) Lineworkers should advise customers to install quality surge protection equipment on there systems.

TRUE #

13. (T/F) Rule 239 states that special protection is required for supply riser cable going through the communication space?

TRUE #

13. (T/F) The closer You are to the substation the higher the fault current?

TRUE #

14 (T/F) The higher the KVA of a transformer, the higher the loss will be?

TRUE #

14. (T/F) The 1996 Telecommunication Act mandates that existing pole line owners let every alternative communication provider on the poles unless there is a safety issue?

TRUE #

18 (T/F) Always maintain a clean landing zone when working with helicopters?

TRUE #

19 (T/F) Load Tap Changers and Regulators are similar devices?

TRUE #

21. (T/F) Some communication cables can be attached in the supply space on joint use poles?

TRUE #

22 (T/F) A capacitor is best described as a unit consisting of two conductors separated by a dielectric, which can store energy.

TRUE #

24 (T/F) Capacitors can be internally or externally fused?

TRUE #

3. Conduits cannot share a manhole or vault with gas lines?

TRUE #

4. (T/F) Series streetlight circuits require the use of a regulated output (RO) Transformer ( also called a constant-current transformer).

TRUE #

9 Pole butt plated and wire wraps cannot be used for transformer grounds.

TRUE #

9. (T/F) The main objective of substation protection is to isolate the faulted section of equipment before catastrophic failure occurs?

TRUE #

11. (T/F) Protecting the general public is one of the best objectives of system protection?

TRUE#

12. (T/F) When working in enclosed spaces, rescue equipment must be provided to ensure a prompt and safe rescue if needed?

TRUE#

13. (T/F) Shoring, shielding, or sloping is NOT required in a trench that is 4 ft in depth and where a competent person has determined that a cave in is unlikely?

TRUE#

15. (T/F) Outrigger must not be extended or retracted outside the clear view of operator if employees are within the range of the outriggers?

TRUE#

17. (T/F) Circuit breakers and line reclosers are set to protect both primary and backup zones?

TRUE#

18. (T/F) With powerline carrier relaying schemes, the communication signal between the relays is sent over the transmission line conductors

TRUE#

10. (T/F) It is an OSHA requirement that reliable two-way communications, through radios or other equivalent means, must be maintained between the reel-tender and the pulling rig?

TRUE''

5. (T/F) When work is performed on buried cable or on cable in manholes, metallic sheath continuity must be maintained, or the cable sheath must be treated as energized

TRUE''

20 To bypass a regulatoer, step 5 is to?

TURN THE REGULATOR CONTROL TO THE OFF POSITION ( THIS ENSURES THAT THE TAP CHANGING MOTOR WILL NOT RUN #

13 Cutoff design refers to a?

TYPE OF STREETLIGHT #

4. Both rule 215B and 314C4 prohibit?

USING THE EARTH AS THE # SOLE CONDUCTOR# IN ANY PART OF A CIRCUIT

16 To safely bypass a regulator, step 2 is to?

USING THE PROPER MANUAL CONTROL FUNCTION, ADJUST THE REGULATOR TO THE NEUTRAL POSITION #

10 Volt ampere reactive is commonly referred to as?

VAR FLOW #

24 According to the book, which type of PPE helps helicopter pilots quickly locate signal person?

VISIBILITY VESTS #

3. Which of the following devices is used to control power flow on the distribution system?

VOLTAGE REGULATORS#

8 When is job briefing not required according to OSHA standards?

WHEN AN EMPLOYEE IS WORKING ALONE #

15 A no load loss is present

WHENEVER A TRANSFORMER IS ENERGIZED AND DOES NOT VARY WITH LOAD #

17. When is atmosphere testing necessary?

WORKING IN AND AROUND ENCLOSED SPACES#

5. If a non reclose condition is not released after the completion of live line work, will it effect the protection system and the reliability of the circuit?

YES #

1. (Y/N) When speaking Of bare handing methods, does OSHA allow use of non conductive hand lines from conductor to the ground.

YES#

17. The bases of support insulators and equipment bushing insulators must be at least

_____ FEET # from the ground (vertical clearance) in supply stations as required by rule 124A3. #8.5 feet

5. Grounded means

connected to earth#, while #effectively grounded#? # ADDS AN EXPECTED LEVEL OF PERFORMANCE#