Electronics Technician Volume 1 Safety; Ch2 Ch3

Front 1

The quantity of hazardous material stored in the the work space should be limited to what amount?
1. Enough for one work shift
2. Enough for one week
3. Enough for one month

Back 1

Enough for one work shift

Front 2

Used in most cordless, rechargable equuipment; should not be stored in an area where lead acid batteries are stored.

Back 2

Nickel cadium cell battery

Front 3

Commonly called mecury cells; small and powerful; should not be exposed to heat over 400 degrees.

Back 3

mecuric oxice zinc cell battery

Front 4

Most widely used wet cell battery; battery gases are expremely explosive; containing sulfuric acid

Back 4

Lead acid cell battery

Front 5

Has high energy; is long lasting; could release toxic gases or explode

Back 5

Lithium cell battery

Front 6

Commly called and alkaline battery; used in portable radios; safety precautions same as for carbon zinc batteries.

Back 6

Maganese dioxide alkaline zince cell batteries

Front 7

Most common battery in the Navy; could explode if put into fire.

Back 7

Carbon zinc dry cell battery

Front 8

What group is responsible for the proper stowage of hazardous material in the area under thier cognizance on board ships?
1. The supply department
2. Individual workcenter personnel
3. Both 1 and 2

Back 8

Both 1 and 2

Front 9

True or false
You should Never remove a cathode ray tube unless its high voltage anode has been charged.

Back 9

False

Front 10

True or False
The form and appearance of PCBs can range from oily liquids to crystalline solids.

Back 10

True

Front 11

True or False
All hazardous material and hazardous material containers do not have to be labeled.

Back 11

False

Front 12

If you dispense a hzardous material into an unlabled container, what must you do?
1. Place a large red "X" on the outside of the container
2. Use all the dispensed material within one hour and then dispose of the container
3. Both 1 and 2
4. Indicate on the new container the same label inofrmation shouwn on the orginal container

Back 12

4. Indicate on the new container the same label inofrmation shown on the orginal container

Front 13

Which of the following items must manufacturers of hazardous materials provide for users?
1. Information sheets on all hazardous materials they produce
2. A material safety data sheet (MSDS) to the user for each hazardous material
3. Both 1 and 2
4. Protective clothing

Back 13

3. Both 1 and 2

Front 14

Where are the MSDSs for a work center located at a shore station?
1. At the main supply center
2. Within the work center
3. The Saftey Officer's files
4. At public works

Back 14

Within the work center

Front 15

What is the background color of the DOT hazardous material shipping symbols for non-flammable gas?
1. Red
2. Orange
3. Yellow
4. Green

Back 15

Green

Front 16

True or False
You have the authority to relabel proplerly labeled hazardous material

Back 16

False

Front 17

Which of the following actions should you take when using hazardous solvents?
1. Spray solvents on electrical windings only
2. Apply cleaning solvents to heated elements only
3. Ensure there is adequate ventillation
4. Place all rags used witht the solvents in an open air container outside of the work space

Back 17

Ensure there is adequate ventillation

Front 18

Which type of solvent is the safest?
1. oil based
2. petrolatum based
3. ammonia based
4. water based

Back 18

water based

Front 19

What should you do before using an aerosol container?
1. Clear the area of all personnel
2. Read the label
3. Point the can away from you and test it
4. Reove the label

Back 19

Read the label

Front 20

Whic of the followiing is comtained on an MSDS?
1. Ingredients and Identity information
2. Transportaion data
3. An emergency phone number
4. All of the above

Back 20

All of the above

Front 21

Which of the following is used by the navy on hazardous material?
1. DOD Hazardous chemical warning label
2. Suppy corp identification label
3. DON identification label
4. Supply department hazardous warning label

Back 21

1. DOD Hazardous chemical warning label

Front 22

In which section of the tag out log will you find the Danger/Caution tag out record sheets that have been cleaded and are no longer in effect?
1. 2
2. 3
3. 4
4. 5

Back 22

4. 5

Front 23

The istrument log is found in what section of the tag out log?
1. 1
2. 2
3. 3
4. 4

Back 23

4. 4

Front 24

Danger/Caution tag out record sheets that are still in effect are kept in which section of the tag out log?
1. 1
2. 2
3. 3
4. 5

Back 24

3. 3

Front 25

Which of the following is the greatest hazard associated with working aloft?
1. The danger of a fall
2. The dropping of objects
3. Radiation burns
4. Asphyxiation

Back 25

1. The danger of a fall

Front 26

True or False
An RF burn is the result of RF
voltages passing through the body.

Back 26

False

Front 27

Which of the following is the best
basic description of a laser beam?
1. A concentrated beam of
infrared light
2. A concentrated beam of medical
X-rays
3. A concentrated beam of optical radiation
4. A concentrated beam of
electricity

Back 27

3. A concentrated beam of optical radiation

Front 28

When removing or replacing an ESDS
device, which of the following
actions should you take?
1. Ensure that you are grounded
2. Move around, so you don't
build up a static charge
3. Hold the device through
electrostatic-free wrap if
possible
4. Both 1 and 3 above

Back 28

4. Both 1 and 3 above

Front 29

True or False
When measuring voltage above 300 volts, you should attach the test probe while the equipment is deenergized.

Back 29

True

Front 30

What is the first action that you should take if you see someone being shocked?
1. Call for medical personnel
2. Secure the area
3. Remove the victim from the
live circuit
4. Secure the power

Back 30

4. Secure the power

Front 31

Information on equipment grounding
can be found in which of the
following publications?
1. NAVEDTRA 12052
2. SECNAVINST 5216.5C
3. MIL-STD-1310
4. SPCCINST 4441.170

Back 31

3. MIL-STD-1310

Front 32

How much time, in seconds, is
required for 44 milliamperes to cause your heart to begin
fibrillation?
1. 3
2. 7
3. 14
4. 30

Back 32

2. 7

Front 33

What is the “can’t let go” current in milliamperes for a person weighing 175 pounds?
1. 10.0
2. 16.0
3. 18.0
4. 65.0

Back 33

1. 10.0

Front 34

True or False
Voltages over 240 volts will burn through the skin and leave deep third-degree burns where the charge enters the body.

Back 34

True

Front 35

What is the resistance, in ohms, between major extremities of an average human body?
1. 500
2. 1000
3. 1500
4. 2000

Back 35

3. 1500

Front 36

Of the following, which is the
most dangerous path current can
take through the body?
1. Hand to hand
2. Left hand to either foot
3. Right hand to either foot
4. Foot to foot

Back 36

Left hand to either foot

Front 37

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?
1. 5
2. 10
3. 15
4. 20

Back 37

15

Front 38

Whose permission is required to work aloft?
1. Officer of the Deck
2. Commanding officer
3. Operations officer
4. Engineer officer

Back 38

Officer of the Deck

Front 39

True or False
Only qualified ship’s force
personnel may perform the second check of tag installation.

Back 39

True

Front 40

The number “70” in tag number
70-16 represents which of the
following information?
1. The last two digits of the
Julian date
2. The log serial number
3. The tag number

Back 40

2. The log serial number

Front 41

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?
1. Commanding officer
2. Operations officer
3. Cognizant Department head
4. Both 1 and 3 above

Back 41

Both 1 and 3 above