3-4 Lesson 1-8

Employer safety manuals are written to establish the what expected on the work site?

Safety culture

Electrical power is transmitted over long distances at low currents in high voltages. True or false

True

If a worker is supplied with a safety manual by his or her employer, here she can assume that the practices in the manual meet osha regulations. True or false

True

Heart fibrillation can occur with an electrical shock of how many mill amps to 100 milli amps

75

When adding letters to substation device numbers, industry standard S53 must be followed. true or false

False

There are how many pieces of equipment used in a substation to adjust voltage?

For

each employee shall comply with occupational safety and health standards and all rules, regulations, and orders issue pursuant to this act which are applicable to his own actions and conduct. This is osha's what clause pertaining to employees

General duty

The part of the ocean regulation that mandates each employee complies with all rules, regulations, and orders issued pursuant to the act is in the what

General duty clause

The class of hard hat worn by a powerline worker must be what type?

e

Spill prevention, control, and countermeasure plans are required by what

epa

The occupational safety and health administrator and was established when

1970

Capacitors manufactured before what year have a likelihood of being filled with PCB Laden fluid

1980

Tissue and organ Burns are a result of electrical shocks over how many amps

1.5

In a substation and qualified workers in mechanical equipment must be kept at least how far away from overhead power lines and or energised equipment

10 ft

unqualified workers in mechanical equipment must be kept at least how far away from overhead power lines and equip.

10 ft

Construction in energised substations is covered in osha what

1926

Part what of standard 29 cfr covers construction industry?

1926

Title 29 of the code of federal regulations,

1926

A substation ground grid is connected to the substation fence and is extended about how far outside the fence?

3'

The voltage supplied by substations found near end users is normally in the 2.4 KV to what Kavi range

34.5

In a substation electrical diagram, if electrical line is represented by an unbroken straight line, the voltage represented is how many Kv

55

The use of a crane in a sub is covered under osha 1926.______(d)(1)

957

The standard system of numbers adopted by the industry used for substation device ranges from one to what number

99

A rural substation is normally more complex in construction than an urban substation. True or false

False

All utilities use the same terms and meanings when it comes to lockout tagout. True or false

False

An employee must comply with occupational safety and health standards promulgated under osha, button employer does not. 2 or false

False

Capacitors used in substations do not help adjust voltage. True or false

False

After a substation transformer is isolated, in approved what tester should be used to check for nominal voltage

Audio and/or visual

The acronym AED stands for what

Automated external defibrillator

A current carrying line, when located inside a substation yard, is called what

Bus

Osha States the end result of what is required _____?

But not exactly how to achieve it

Each employee is mandated to read every standard that applies to his or her job. true or false

False

The type of substation used to change AC to DC and back again is what

Converter

When a copper conductor is connected to a flat copper terminal, what type of terminal lug is used

Copper or electrical bronze

A substation which houses the source circuit breakers for the outgoing distribution feeders is what type of substation

Distribution

In a substation, a re closure is used to protect what type of feature

Distribution

Written work procedures for substations include what

Excavations

If there is an electrical shock with no loss of consciousness, it is not necessary to seek medical attention. True or false

False

Metallic measuring tapes are approved to use in an energised substation because they help form an equal potential zone

False

Sf 6 gas is not used as an arc quenching medium and circuit breakers because it's highly toxic in normal state. True or false

False

Since the majority of work in a substation is on the ground, falling from heights is never covered in daily job briefing. True or false

False

The ABC's of priority basic life support is airway, bones, and circulation. True or false

False

The size of a substation transformer, in Kavi a, is never shown on a one line diagram because it is only used to show the power flow. True or false

False

When way to help avoid heat stress is to avoid caffeine, sugar, and eat larger meals. True or false

False, smaller meals

Fall protection is required when working above how many feet including on top of a transformer

Four feet

Letters added to substation device numbers are used to what

Further define a device

When operating in energised switch in a substation yard the operator should be standing on what for his or her safety

Ground gradient mat

Charging batteries in a substation should be done in a well ventilated area because charging batteries gives off what kind of gas

Hydrogen

According to ocean 1910.157 cama portable fire extinguisher in substations must be visually inspected how often

Monthly

In a substation, the most hazardous type of oil fire situation is a fire of what

PCB contaminated oil

Osha was established in what year

Nineteen seventy

What is a colorless, odourless, taste list, inert gas that is commonly used in substation Transformers as a barrier on top of the oil to keep oxygen and moisture out?

Nitrogen

The dotted lines used in a one line diagram are called what kind of lines

Operator

Osha is written as what type of standard

Performance standard

Is subordinate regulation governing a particular matter is called a what

Rule

A qualified worker may approach and energise line in a substation yard no closer than established in what osha table

S five

When numbering substation devices, what is used to indicate an alarm relay?

Seventy four

In a substation construction, a one line drawing is what of electrical installation

Simplified diagram

In a substation, the minimum approach distance from 230KV lines for unqualified workers as how many feet

Sixteen

A practice that is widely recognised or employed, primarily because of its excellence, is called a what

Standard

A distribution substation will typically do what to the incoming voltage

Step down

Of the types of substations that are downstream from a generating station, the one closest to the generating station would be what

Step up

Many regulations pertain to a job it is safest to follow what regulations

Strictest

In the osha standards, what subpart covers power transmission and distribution?

Subpart V

According to this lesson for adult CPR consists of how many compressions in 2 breaths

Thirty

electricity is transmitted at high voltages to substations why?

To reduce losses

A gas insulated substation can be constructed completely underground. True or false

True

A substation yard is one large equal potential zone. True or false

True

According to osha, a designated person is one who is qualified to perform specific

True

If the word shall is used in a rule, it means that workers are obligated to comply with it. 2 or false

True

Occasionally, the meaning of a device letter used in a substation print can only be determined by considering the context of the device with the overall drawing. True or false

True

Rescue capabilities of a crew working in a substation should include removing workers from aerial devices, confined spaces, and substation structures. 2 or false

True

The most obvious hazard when working in a substation is the presence of electricity true or false

True

Number substation devices what number is used to indicate distance relay

Twenty one

If work has to be performed in a substation vote, the ventilator must provide clean air at a rate of at least how many cfm per occupant

Two hundred

Osha incorporate other publications by what

Using them as references

Qualified electrical workers follow rules normally issues by the what to clarify safety standards and regulations

Worker's employer

Opening the secondary of an energised current transformer without shunting the CT may result in what

arcing and insulation failure

If work in a substation involves work which may contain corrosive substances such as battery fluid what should be readily available?

eye flushing station

A converter is not one of the types of substations that are downstream from a generating station. True or false

false

A one line drawing used in a substation construction is a details comatic of the entire station. 2 or false

false

A substation construction site is not required to have a spill prevention, control, and countermeasure plan in place

false

All work can be performed in a substation is covered by osha 1910.269

false

States cannot impose safety regulations that are not covered by osha. true or false

false

The American Red Cross is the only agency that concern if I qualified electrical workers in the 1st aid practices needed to work in a substation. True or false

false

The national electric safety code applies only to electricians, and osha does not require that line construction workers comply with its rules. True or false

false

The words rule, standard, and regulation mean the exact same thing. True or false

false

To help prevent heat stress, a qualified electrical worker should wear tight fitting breathable clothing. True or false

false

When operating a switching device in a substation Kama rubber gloves do not have to be warned because the substation is an equal potential zone. True or false

false

a live line tool is not required when removing a ground from A-line because the line is already been DE energised. True or false

false

disulfur Decca fluoride is used as an insulating medium in substation circuit breakers. True or false

false

The 1st step DE energising a substation transformer is to remove what

load

The agency that advises employers and employees regarding education and training in the recognition of unsafe or unhelpful working conditions is what

niosh

The osha act also established what, research in consulting agency

niosh

The what circuit breaker is the most common type found in substations

oil

Substations without Transformers are referred to as what

switch yard

A tool used for managing substation construction project is what type of diagram

time line

When carrying equipment such as a ladder in a substation, it should never be carried on the shoulder because it can extend the workers reach. True or false

true

The contents of a generic 1st aid kit that might be found in a substation are listed in ansi what

z 308-1978