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IMS > Haz Control > Flashcards

Haz Control Flashcards

1
Q

Who shall conduct an inspection of the lockout/tagout procedure?

A

An authorized employee

who is not involved in the procedure

possibly risk management

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2
Q

Procedure for shift or personnel changes

A

On coming personnel exchange with outgoing/tags

Retesting to ensure deenergized

Discuss status

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3
Q

Natural gas is not toxic or poisonous. Tests have shown that persons breathing concentrations of _____% natural gas med with air have no ill effects.

A

25%

However asphyxiation can occur because of lack of oxygen in an enclosed space.

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4
Q

Locks and tags are found where?

A

ISO bag

Rescue 8

Hazmat 5

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5
Q

Installation of gas mains, services and related facilities must conform to _____?

A

DOT

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6
Q

What are the limitations to the tagout system?

A

Tags are warning devices and do not provide physical restraint

Tags may provide a false sense of security.

Tags may become detatched.

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7
Q

The lockout/tagout program is evaluated_____

A

annually.

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8
Q

Natural gas pressure used by the appliances in your home is called?

A

utilization pressure

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9
Q

Natural gas is only about ____% as heavy as air.

A

65%

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10
Q

What gas valves should you not operate?

A

gas valves in the street.

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11
Q

If it is absolutely necessary to extinguish the gas flame before the gas flow can be shut off use_____

A

Dry chemical at the base of the flame.

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12
Q

The limits of flammability for natural gas are ____% to _____% gas in air mixture.

A

5 to 15%

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13
Q

The ignition point of natural gas is _____F

A

1100 to 1200 degrees

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14
Q

The odorant that is added to natural gas is noticeable when there is less than ___%

A

1%

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15
Q

The OKC Safety Officer will have the overall responsibility of the program to ensure that

A

Employees receive training

Program is evaluated annually

Lock out/ Tag out equipment is used

Procedures are followed

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16
Q

Lockout/tagout devices must meet the following requirements:

A

SWISD

substantial

wording

Identifiable

Standardized

Durable

17
Q

In case of a plug in power source the tag will be placed where?

A

on the plug

18
Q

What 2 things will be on a lockout tag?

A

who applied it

and

Warn against the hazards if it is charged

19
Q

Low voltage installations are considered to be _______

A

Below 600 volts

20
Q

The IC must provide employees with the necessary protective material and hardware to perform lockout/tagout. This may include?

A

Locks

Tags

Chains

wedges

key blocks

adapter pins

21
Q

The lockout/tagout standard requires that OKC FD establish an energy control program that includes what 3 things?

A

Documented energy control procedures

Employee training

Periodic inspections

22
Q

What is the preferred method of energy isolation?

A

Lockout

23
Q

If an energy isolating device is not capable of being locked out, then _______

A

a tagout and secondary measure shall be used.

FF on standby

Remove a circuit

Block a switch

Remove a fuse

Open extra disconnecting device

24
Q

During training the lockout/tagout device must be removed by______

A

the authorized employee who applied it.

25
Q

Tagout devices must be attached with nylon cable ties that are

Non-reusable,

self locking

non-releasable

with a minimum unlocking strength of no less than ___pds

A

50 pds

26
Q

What is the last step in the lockout/tagout procedure?

A

Verify the Isolation of the equipment by operating the push button

27
Q

Who’s responsibility is it to reenergized equipment that has been locked out?

A

the occupant or business owner

28
Q

ONG encourages cities to adopt one of the model codes. In area’s not covered by a city code ___ should be followed.

A

BOCA

29
Q

Leakage surveys are conducted _____ at public, private and vocational schools. ONG also utilizes Bar hole surveys where possible.

A

annually

30
Q

How many regulators are ahead of the meter in a intermediate or high pressure distribution system?

A

2 regulators ahead of the meter

31
Q

The most common method of distributing gas is through a ____ line

A

Medium Pressure line

1-60 pds

Reduced to 5.3 ounces by a service regulator ahead of the meter.

32
Q

One method of distributing gas to a city is through a pressure system, carrying approx. ____ ounces of pressure. In this instance gas goes directly through a meter at the house and is used by appliances.

A

5.3 ounces

33
Q

Cut wires only to protect a life. Pull a meter only

A

as a last resort.

34
Q

_____ and _____ are non conductive and may be used around energized facilities.

A

Dry Chemical

Carbon Diozide

35
Q

The wires for the highest voltage in the range are generally mounted ___ft or more above the ground.

A

30 ft.

36
Q

Pole mounted facilities generally have nominal voltages ranging from _____ to _____.

A

120v to 34,000 volts

IMS (79 decks)

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