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NAVOSH TEST 2 > NAVOSH II > Flashcards

NAVOSH II Flashcards

1
Q

Define Heat Stress

A

Any combination of air temperature, thermal radiation, humidity, airflow and work load which can stress the body to regulate temperature

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2
Q

List the factors that cause heat stress

A
  • Thermal
  • Humidity
  • Air/Sea
  • Ventilation
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3
Q

Examples of thermal radiation

A 
sun
Heat sources( incinerators/ Engines/ Generators/ laundry/dryers)
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4
Q

Examples of Ventilation

A

Forced air flow systems

Forced exhaust systems

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5
Q

Examples of Humidity

A

Steam leaks
Bilge water
Condensation

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6
Q

Examples of the water/ sea water temp

A

Refer units
engines
generators
evaporators for fresh waters

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7
Q

Define Acclimation

A

The act of becoming accustomed to temperature or new environment/ Usually 3 weeks or more

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8
Q

List some personal factors that contribute to HEAT stress

A 
Past exposure/ injurie's
Current Health status 
Exercise and fluid intake
Medication
Alcohol intake
Lack of sleep
Drugs
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9
Q

What are come common locations for Heat stress conditions on a ship

A 
Machinery spaces
Laundry
Sculleries(Phel V)
Incinerator room
Flight decks
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10
Q

What are some contributing factors that lead to heat stress on the ship

A

Steam and water leaks
Ventilation Deficiencies
Arduous Operations

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11
Q

What is the PHEL

A

Physiological Heat Exposure Limit

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12
Q

The PHEL has how many curves, and who creates it

A

6

Industrial Hygienist and NAVSEA

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13
Q

What are the PHEL curve categories

A

Routine Operations
NON routine Operations
ECC exercises (Evacuation control center drills)
Heavy Duty Work Load

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13
Q

What are the PHEL curve categories

A

Routine Operations
NON routine Operations
ECC exercises (Evacuation control center drills)
Heavy Duty Work Load

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13
Q

What are the PHEL curve categories

A

Routine Operations
NON routine Operations
ECC exercises (Evacuation control center drills)
Heavy Duty Work Load

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14
Q

What are the PHEL curve categories

A

Routine Operations
NON routine Operations
ECC exercises (Evacuation control center drills)
Heavy Duty Work Load

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15
Q

Heavy work loads are always what PHEL curve?

A

VI

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16
Q

Explain Stay time

A

Maximum allowable time personnel may work in a heat stress condition at any given work load

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17
Q

What is recovery time

A

it is the minimum of twice the stay time as determined by PHEL and 4 hours whichever is shorter

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18
Q

What are stack gases

A

gases which may accumulate in a space due to inadequate ventilation or machinery malfunction

19
Q

Who must conduct Heat stress training and at what interval?

A

The MDR and Annually and during Indoc

20
Q

Heat stress training must include what at a Minimum (5)

A
  1. Hazards
  2. Sx’s of exposure
  3. Heat stress first aid
  4. Heat stress monitoring
  5. Cause of heat stress
21
Q

Heat stress monitors must complete what trainings? and in what time period?

A

Watch station 318 PQS
NAVEDTRA 43704

12 weeks (3mo)

22
Q

How are Heat stress injuries reported?

A

Accident and injury report

23
Q

What is the WESS and what is it used to submit?

A

Web Enabled Safety System

A&I reports

24
Q

All Heat stress injuries must be reported through what?

A

Naval Disease Reporting System (NDRS)

25
Q

What do you do when you do not have access to the NDRS

A

Submit a Medical Event Report

26
Q

The SMDR does what in relation to Heat stress surveys?

A

review all heat stress reports for inaccuracies and QA and make recommendations on crew health

27
Q

The supervisor or EOOW do what with heat stress surveys?

A

note any existing problems and corrective actions implemented

28
Q

Heat stress surveys with reduced stay time must be routed through who? to alter them

A

the CO

29
Q

THE SMDR retains all reports for how long?

A

1 YEAR

30
Q

What does the DB thermometer do?

A

Measures ambient air temperature at work sites where heat stress conditions can occur

31
Q

Dry bulbs but be within what accuracy window to be accurate?

A

5 degrees of the WBGT

32
Q

what do you do if the DB is not within the 5degree window?

A

reposition to ensure its reading accurately if still wrong change it out

33
Q

the DB must be read when?

A

every 4 hours for manned spaces not exceed 85

34
Q

THE DB is read hourly when?

A

Heat casualties and if it exceeds 85 degrees

35
Q

When do you circle the temperate in red?

A

100 or higher

36
Q

What are two types of heat stress meters?

A

RSS-220

Questtemp 48N

37
Q

What can the heat stress meters measure?

A

Dry Bulb Sensor (ambient Temp)
Wet Bulb (Humidity)
Globe (radiant temp) heat loss ETC

38
Q

what is the WBGT index?

A

average of DB/WB and globe temp together

39
Q

equation of WBGT index?

A

(0.1xDB)+(0.7xWB)+(0.2xGT)

40
Q

When are you required to monitor heat stress?

A

Work length 4hr or less and DB is equal to 100 (PHEL I-III)
Work Length is greater than 4hrs and DB =90 (PHEL I-III)
equal to or greater than 85(PHEL IV-VI)

41
Q

When do you do follow on survey?

A

DB temp is more than 5 Degree from hanging DB in previous survey

42
Q

For the RSS-220 what is the start up and subsequent reading times?

A

5 mins

3 minutes

43
Q

At what height and distance from chest do you hold the RSS-220

A

Chest Height and 1 ft

44
Q

What is the start up and subsequent testing time for the QUESTemp 48N

A

10 minutes

5 minutes

45
Q

At what height and distance from the chest do you hold the QUESTemp?

A

Chest height

18’’ from the body

46
Q

What is the AHSS ?and how many WBGT must be on ship equipped with it?

A

Automated Heat Stress System

Two portable WBGT

NAVOSH TEST 2 (4 decks)

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