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IC vol 1A > Safety > Flashcards

Safety Flashcards

1
Q

OPNAVINST 3120.32B

A

Standard organization and regulations of the navy (Standard safety program)

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2
Q

OPNAVINST 5100.19E

A

NAVOSH Afloat safety

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3
Q

OPNAVINST 5100.23G

A

NAVOSH (aviation, weapons, off duty safety)

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4
Q

Color of Warning signs

A

Red

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5
Q

Color of caution signs

A

Yellow

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6
Q

When are danger shock hazard signs used

A

Where 30 to 500 volts are used

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7
Q

Warning plates are installed in small craft to warn personnel of what potential hazard

A

Explosive vapors

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8
Q

Caution tags/danger tags

A

Yellow/red

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9
Q

When are caution tags used

A

When temporary special instructions or unusual caution must be exercised to operate equipment

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10
Q

When are danger tags used

A

When operation could injure personnel or damage equipment

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11
Q

What is true if an instrument is labeled out-of-calibration

A

It should be used with extreme caution

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12
Q

When working on energized equipment which of the following safety precautions should you observe

A

Make sure that a person qualified to administer mouth to mouth ventilation and Cardiac massage is in the immediate area

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13
Q

What type of electrical distribution systems are found on Navy ships

A

Ungrounded

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14
Q

Isolated receptacle circuits are designed to limit ground leakage ckts to how many Milliamperes

A

10

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15
Q

When checking continuity between the equipment and the ships hull on a piece of equipment that uses a ground strap, what reference should you use to determine the allowable resistance to ground

A

PMS card

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16
Q

When are you allowed to block open an interlock switch on a piece of equipment

A

When authorized by the CO for operational reasons

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17
Q

Why must you short circuit the secondary of a current transformer before you disconnect the meter

A

To prevent an extremely high voltage build up

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18
Q

How do you discharge capacitors in de-energize equipment

A

Safety Shorting probe

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19
Q

What class rubber gloves would you use for a 5000 V equipment

A

Class 1 (7500 v rating)

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20
Q

When installing rubber floor mattings, you should ensure there are no seams within what minimum distance of an electrical hazard

A

3 ft

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21
Q

Why should A dummy outlet be installed near a workbench

A

To test the grounding conductors on portable power tools

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22
Q

What is an acceptable resistance reading for the ground connection between the ships hull and metal frame of a portable electric drill

A

Less than 1 ohm

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23
Q

What is the maximum length of an extension cord used with portable tools

A

25 ft, 100 ft on weather decks

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24
Q

The current coil of a wattmeter or an ammeter must be connected in what way

A

In series with the load

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25
Q

In signal generators and oscilloscopes how are the effects of Moisture minimized

A

By built in heaters

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26
Q

Before being used on electronic equipment metallic tools should be insulated by wrapping with what material

A

Two layers of rubber or vinyl plastic tape, half lapped

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27
Q

How do you clean a soldering iron of excessive solder

A

Wipe the soldering iron across a piece of canvas

28
Q

What is the maximum Of time that a lead acid storage battery can last if it is cared for properly

A

4 or more years

29
Q

When should the charging rate of a lead acid storage battery being charged should be lowered

A
  1. If the battery begins to gas

2. if the temperature of the battery reaches 125°F

30
Q

What is the proper way to mix electrolyte

A

Pour the acid slowly into the water

31
Q

Where are The alkaline storage batteries used

A

Bus failure alarms

32
Q

Dry cell batteries should be removed when the equipment they are used with is going to remain idle for what minimum length of time

A

2 weeks

33
Q

Why should you always be extremely cautious with handling a CRT

A

Because it’s glass envelope encloses a high vacuum and it may implode under atmospheric pressure

34
Q

Before disposing of a CRT you should break off the tip of the glass vacuum seal with what device

A

Pliers

35
Q

What is the proper method for disposing of aerosol dispensers

A

Put it in an approved waste receptacle

36
Q

Which of the following solvents should you never use for cleaning electrical equipment

A

Volatile solvents or flammable solvents (can clean with waterbase solvents)

37
Q

What is the preferred grade of insulating Varnish used in the Navy

A

CB

38
Q

Which of the following materials should you NEVER used to clean contacts

A

Emery cloth/paper and steel wood

39
Q

Which of the following electrical equipment is authorized for use aboard the ship

A

Electric shavers

40
Q

What is the first thing that you do if a fire breaks out in electric equipment

A

Secure the power

41
Q

What type of fire extinguishing agent should you use on an electrical fire

A

CO2 (carbon dioxide)

42
Q

What is a quick way Safe way to free a victim of electrical shock that is in contact with a portable drill

A

Unplug the drill if you cannot secure the power from the workbench switch first

43
Q

How would you free a victim that suffers from electrical shock from stationary equipment that cannot be de-energized quickly

A

With your own belt without the belt buckle

44
Q

What is the purpose of artificial ventilation

A

To provide a method of air exchange

45
Q

Artificial ventilation should be. Administered for who ?

A

Someone who has stopped breathing naturally (just because someone is unconscious does not mean they have stopped breathing)

46
Q

CPR must be started within what maximum length of time after a victim has suffered cardiac rest

A

4 minutes

47
Q

What is a wound that deals with the crushing of the tissues

A

Laceration

48
Q

When the direct pressure method is used on a victim and fails to stop the bleeding what action should you take

A

Use both the direct pressure method and the pressure point method

49
Q

What burn for the most part is not caused by heat

A

Chemical

50
Q

What is the most important factor in determining the seriousness of a burn

A

The extent of the body surface burned

51
Q

Hazardous noise areas are areas that produce continuous and intermittent sound levels greater than what minimum and maximum level

A

84 to 140 dB

52
Q

A worker should wear double hearing protection when working around noise sources above what minimum sound level

A

104 dB

53
Q

Excessive heat, humidity, and thermal radiation well under and continue work load can’t result in which conditions

A

Heat stress, heat stroke, heat exhaustion

54
Q

Chemicals is solvents come in which of the following type of forms: gas ,vapor, mist dust or fumes

A

They come in all of them. Gas,vapor,mist dust and fumes

55
Q

When cleaning electrical equipment with a cleaning solvent, equipment should be warm or hot to increase the cleaning power of the solvent. true or false

A

False. hot equipment increases the toxicity hazard

56
Q

When should you repaint electrical equipment or enclosure

A

When necessary to complete corrosion control

57
Q

When operating a portable CO2 extinguisher, you should grab the horn handle by the insulated/ thermal grip for what?

A

The grip is insulated against possible frost bite of the hand

58
Q

Soda acid extinguisher is used for what type of fire

A

Alpha

59
Q

CO2 is good for what kind of fires

A

All fires especially Charlie

60
Q

PKP is good for what type of fires

A

Bravo, never Charlie because it corrodes the equipment

61
Q

AFFF is good for what kind of virus

A

Bravo and Alpha, prefer not Charlie

62
Q

Halon 1301 is good for what type of fire

A

All classes except Delta

63
Q

When you consider the manner in which the skin or tissue is broken what are the general kinds of wounds

A

4 of them. Abrasions, incisions, lacerations and punctures

64
Q

Heat stress can cause poor mental and physical performance. true or false

A

True

65
Q

Which of the following people are responsible for understanding and Observing safety standards and regulations on board the ship

A

All hands

IC vol 1A (2 decks)

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