3rd step test

The "E" in Ohms law is for: A.) Electromotive force (EMF) B.) Electromagnetic force C.) Electrical potential force D.) Electrical current force

Electromotive force

When two batteries are connected together with the negative to the positive the: A.) voltage decreases B.) voltage increases C.) current decreases D.) current increases

Voltage increases

The unit of power "P" is measured in: A.) Amps B.) Volts C.) Watts D.) Horsepower

Watts

An isolation certification has to do with: A.) a line or equipment clearance B.) on or near non reclosing orders C.) no test orders D.) all of the above

a line or equipment clearance

When current is interrupted by opening a neutral a voltage will appear where? A.) at the ground connection B.) across the open point C.) for a short time only D.) no voltage will appear

across the open point

A second point of contact is made when a worker: A.) touches a phase and a neutral at the same time B.) touches a phase and a ground at the same time C.) touches a phase and a phase at the same time D.) all of the above

all of the above

For protective grounds to be effective they must be: A.) able to withstand the available fault current B.) have a clean tight connection to the wire C.) able to withstand the clearing time to operate a clearing device D.) all of the above

all of the above

An emergency stop signal can be given by: A.) only qualified rigger B.) only signal person C.) only foreman D.) anyone

anyone

Whenever you approach a scene of an accident or approach someone who has suddenly taken ill, always: A.) run over to provide assistance B.) give CPR first C.) assess personal danger D.) stop the bleeding

assess personal danger

stickers should not be put on hardhats because they: A.) are a distraction B.) are offensive C.) can hide cracks in the hard hat D.) always conductive

can hide cracks in the hardhat

What is it called when a circuit is re-energized after a long period of time and the equipment on the line is set to come on all at once? A.) circuit diversity B.) peak load periods C.) cold load pick up D.) load shedding

cold load pick up

"I" represents ___ in Ohms law. A.) voltage B.) resistance C.) current D.) power

current

Ground equipment shall be: A.) electrically tested annually B.) 4/0 copper C.) used on all circuits D.) stored ready for use

electrically tested annually

Short circuit current is called? A.) fault current B.) load demand C.) peak load current D.) peak load demand current

fault current

The one call (USA) system is used too: A.) identify the location of a pole hole B.) identify the digging zone C.) identify buried utilities D.) identify the proposed excavation

identify buried utilities

Guy insulators (Johnny Balls) are: A.) meant for 12kv insulation B.) meant for line worker protection C.) meant for public protection D.) of no value at all

meant for public protection

The term nominal voltage means? A.) average voltage on a circuit B.) highest voltage a circuit carries C.) Normal operating voltage D.) Lowest voltage a circuit normally carries

normal operating voltage

The radio term "10-4" means: A.) OK B.) back in service C.) repeat D.) awaiting instructions

ok

The total resistance is less that any individual resistance describes a ___ circuit? A.) series B.) parallel C.) combination D.) AC

parallel

The most common electrical circuit is the: A.) series circuit B.) parallel circuit C.) combination circuit D.) none of the above

parallel circuit

Three resistors in parallel are 15 ohms, 25 ohms, 34.571 ohms. What is the R total? A.) .107 B.) 34.6110 C.) 9.3724 D.) 34,611

C

A single transformer is connected delta on the primary side. To find current in the primary winding you divide the KVA by? A.) phase to phase voltage x 3 B.) phase to phase voltage C.) phase to neutral voltage D.) not listed above

phase to phase voltage

Rubber gloves are rated by? A.) phase to neutral voltage B.) phase to phase voltage C.) the contractor D.) none of the above

phase to phase voltage

The FCC prohibits ___ while using a two ways radios. A.) any non-licensed radio operators B.) three-way radio communications C.) concise communication D.) profanity

profanity

Protective grounds are installed to: A.) keep all equipment protected B.) promote a fast trip out of the circuit C.) shunt all current away from the worker D.) take all the fault current to the ground

promote a fast trip out of the circuit

What circuit has current staying the same through all resistors? A.) Series circuit B.) parallel circuit C.) combination circuit D.) none of the above

series circuit

A minor injury that may not need to be reported: A.) could be the cause of blood poisoning B.) should be documented in a log for protection later C.) can cause insurance rates to climb and be expensive D.) must be reported on a company form or document

should be documented in a log for protection later

The final proof that you are about to work on the correct de-energized circuit is: A.) the clearance tags B.) the order from the operation center C.) the clearance statement used D.) testing and grounding

testing and grounding

A class H-3 pole is stronger than a class H-1. T/F

true

Defective tools shall be removed from service and tagged. T/F

true

List the 7 steps of a tailboard briefing (pre job discussion) in order.

what are you to do what are they to do job to be done supervisors manner of doing the job identify hazards and mitigating steps status of lines and equipment emergency plan

Testing for potential for grounding purposes must be done: (circle all that apply) A.) before grounds are applied B.) with an approved testing device C.) by fuzzing the conductor D.) as soon as the clearance is received

A & B

Before employee enters a vault what must be done? (circle all that apply) A.) test the atmosphere B.) make a heat scan C.) use a ladder D.) have an observer

A,B,C,D

What are the advantages to an underground system? (circle all that apply) A.) public safety B.) more reliable C.) better looking D.) storm resistant

A,B,C,D

A motor uses 8 Amps and operates at 120 volts. What is its possible horsepower? A.) 11.29 B.) 1.29 C.) 960 D.) 96

1.29

The minimum approach distance (MAD) for non-qualified person up to 50kv is ___ feet. A.) 5 B.) 10 C.) 15 D.) 20

10

An electrical power line has 10 Ohms and is carrying 1000 amps. What voltage loss is on the line? A.) 10 volts B.) 100 volts C.) 1,000 volts D.) 10,000 volts

10,000 feet

What is the current of a 25KVA transformer at 12,000 volts? A.) 0.48 amps B.) 2.083 amps C.) 25 amps D.) 480 amps

2.083 amps

When working in a trench, how close do you need a means of escape? A.) 10 feet B.) 20 feet C.) 25 feet D.) 50 feet

25 feet

When practical an extension or straight ladder must extend a minimum of ___ feet above the point of support? A.) 0 B.) 1 C.) 2 D.) 3

3

Where possible, the horizontal distance from the top support to the foot of the ladder shall be at a ratio of what? A.) 1:1 B.) 2:1 C.) 3:1 D.) 4:1

4:1

A line from Hoover Dam to Riverside carries 1,000 Amps and has 5 ohms of resistance. What is the line loss in volts? A.) 200 B.) 5,000 C.) 0.005 D.) there is no line loss

5,000

Line loss is seen as heat. If a line carries 1,000 amps and has 6 ohms or resistance. What is the heat loss in watts? A.) 6,000 B.) 36,000 C.) 60,000 D.) 6,000,000

6,000,000

A third step apprentice will be allowed to work on voltages up to what while under direction of a journeyman lineman? A.) 240 v B.) 480 v C.) 600 v D.) 1000 v

600 v

An electric heater has a resistance of 10 Ohms and draws 8.05 amps of current. what is the heaters wattage? A.) 80.5 B.) 648.025 C.) 1.24 D.) 805

648.025

Most electrical energy is generated at a voltage of: A.) 13,800 to 24,000 volts B.) 24,000 to 30,000 volts C.) 30,000 to 36,000 volts D.) all of the above

A