Update ) Questions & Answers
{Grade A} 100% Correct
How is linear motion translated into radial motion in the CPP system? - correct answer
The crosshead moves in a lineal direction, and is connected to the blades creating the
radial motion
How full can the tanks get during re-fueling operations? - correct answer 95% at sea
and 85% in-port
How long is the FOQM log kept onboard? - correct answer 6 months
How long are the Fuel, Oil and Water reports kept on board? - correct answer 1 year
When is a heat stress survey required? - correct answer when DB reaches >90 degF,
,prior to EOCC drills that will last longer than 3 hrs,
upon CO request,
in the even of a heat stress casualty
When is a follow up heat stress survey required? - correct answer DB increases or
decreases 5 degF from previous surveys
When do you need to rush survey results to the CO? - correct answer The current
watch rotation exceeds the recommend heat stress stay time
When is a time weighted mean? - correct answer Allows watch standers to stay in the
space longer by allowing them to take breaks and cool off in a location cooler than the
watchstation
,When are time weighted means applied during the course of standing watch? - correct
answer In a hot environment where reduced stay times have been imposed on
watch/work stations
How do you verify an installed WBGT sensor is working properly? - correct answer
DB>WB or GT>DB
What is the WBGT index? - correct answer It is the combination of the WBGT, WB, & DB
temps, that actually affect you
Where are Dry Bulb thermometers required to be hung? - correct answer Work of
watch stations in which a heat stress environment may occur, Non-ventalated spaces
that are normally not manned, but personnel may work in
, Where are the required to be installed within the space - correct answer In a spot that
provides a good representative sample of the entire spaces temp, should be located at
least 2 feet away from any ventilation sources, shall be hung with a non-metal heat
transferring material
What does PHEL stand for? - correct answer Physiological Heat Exposure Limit
What is the recovery time for personnel who has reached the heat stress exposure
limit? - correct answer It should be equal to twice the exposure limit or 4 hrs
whichever is less
What happens with the exposure of fuel combustion gases/fuel vapors in a space? -
correct answer The detection of stack gas or fuel vapor reduces the stay time by 2/3
normal time, to calculate new stay time dived the old stay time by 3