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21 Cards in this Set
- Front
- Back
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In which section of the Tag-Out
Log will you find DANGER/CAUTION tag-out record sheets that have been cleared and are no longer in effect? |
5
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The instrument log is found in
which section of the Tag-Out Log? |
4
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DANGER/CAUTION tag-out record
sheets that are still in effect are kept in which section of the Tag-Out Log? |
3
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Which of the following is the
greatest hazard associated with working aloft? |
The danger of a fall
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An RF burn is the result of RF
voltages passing through the body. |
True
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Which of the following is the best
basic description of a laser beam? |
A concentrated beam of optical
radiation |
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When removing or replacing an ESDS
device, which of the following actions should you take? |
-Ensure that you are grounded
-Hold the device through electrostatic-free wrap if possible |
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When measuring voltage above 300
volts, you should attach the test probe while the equipment is deenergized. |
True
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What is the first action that you
should take if you see someone being shocked? |
Secure the power
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Information on equipment grounding
can be found in which of the following publications? |
MIL-STD-1310
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How much time, in seconds, is
required for 44 milliamperes to cause your heart to begin fibrillation? |
7 Seconds
*21mA - 30 Seconds *67mA - 3 Seconds |
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What is the “can’t let go” current
in milliamperes for a person weighing 175 pounds? |
16.0
*120lbs - 10mA |
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Voltages over 240 volts will burn
through the skin and leave deep third-degree burns where the charge enters the body. |
True
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What is the resistance, in ohms,
between major extremities of an average human body? |
1500
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Of the following, which is the
most dangerous path current can take through the body? |
1st most dangerous path -- Hand to hand
2nd most -- Left hand to either foot |
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Which of the following factors
cause(s) electric shock? |
Current
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When personnel work aloft, a
verbal warning must be passed over the 1MC prior to commencement of the work and at what time intervals,in minutes, until the work is completed? |
15
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Whose permission is required to
work aloft? |
Officer of the Deck
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Only qualified ship’s force
personnel may perform the second check of tag installation. |
True
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The number “70” in tag number
70-16 represents which of the following information? |
The log serial number
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When tag requirements have been
identified and the affected system will be rendered out-ofcommission as a result of the tag-out, the authorizing officer must obtain permission from which of the following individuals prior to effecting the tag-out? |
Commanding officer & Cognizant Department head
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