CHT FINAL TEST PAPER 2026 COMPLETE
QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● How many gallons does each tank hold?
Answer: 3 FWD 20K, MID 20K, AFT 60 K
●● What is considered to be a 'normal' CHT tank level percentage?
Answer: 35-50%
●● At what percent do you need to notify CHENG if no immediate
means of pumping is available?
Answer: Over 60%
●● Where are the CHT tank overflows for each pump room?
Answer: FWD 5 STAR/AFT MALE CPO BERTHING / MID FEMALE
CHIEF BERTHING
●● What is the alarm that is associated with CHT?
Answer: H2S ALARM
●● Where are those alarms located?
,Answer: Above every shaft alley with CHT pumps
●● What does amber mean and how many PPM sets off the alarm?
Answer: Detected some H2S in the air / 100-150 PPM
●● What does red mean and how many ppm sets off the alarm?
Answer: Red means get out / anything over 150
●● If an amber or red light is displayed on the panel what are your
immediate actions?
Answer: Notify EDO and sound & security rover
●● What does H2S smell like?
Answer: Rotten eggs
●● Where are the CHT spill lockers for each pump room?
Answer: FWD REP 2/ MID REP 5/ AFT REP 3
●● How do you call away a CHT spill?
Answer: HAZMAT/TOXIC GAS
●● What procedure is used for DCSSP to re-establish pump suction?
,Answer: Flush it with firemain
●● How many NM out to sea do we need to be to pump sewage over the
side?
Answer: 3 nautical miles
●● Where are the CHT risers located?
Answer: Enlisted smoke pit, officer QD, under FM office, above XO's p
way
●● Immediate actions for CHT leak on the pier?
Answer: Secure pumping, notify EDO
●● Immediate actions for CHT hose in the water?
Answer: Secure pumping/divers, notify EDO
●● Where are the CHT pumps powered from?
Answer: 1-3 E BOARDS
●● Which vital system is associated with CHT?
Answer: Fire main/low pressure air
●● How to operate CHT pumps if LP air is down?
, Answer: Adjust from motor control/have HT's operate
●● What needs to be done to the CHT system for the cold weather bill
(35°F or less)?
Answer: Slow drip
●● How is CHT being pumped off the ship?
Answer: In port pitbulls/ underway CHT pumps
●● Where are these pumps located?
Answer: FWD pump room 1, MID Starbucks, AFT by ACE 3
●● How often do the pit bull pumps get checked by DCSSP?
Answer: Every 2 hours
●● What do we check when roving the pit bull pumps?
Answer: They are on
●● If there is a major leak on a pit bull pump or its connection how do
you secure power?
Answer: Shop 99/ contractors
●● Who do you notify if there is a leak/spill on a pit bull pump?
QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● How many gallons does each tank hold?
Answer: 3 FWD 20K, MID 20K, AFT 60 K
●● What is considered to be a 'normal' CHT tank level percentage?
Answer: 35-50%
●● At what percent do you need to notify CHENG if no immediate
means of pumping is available?
Answer: Over 60%
●● Where are the CHT tank overflows for each pump room?
Answer: FWD 5 STAR/AFT MALE CPO BERTHING / MID FEMALE
CHIEF BERTHING
●● What is the alarm that is associated with CHT?
Answer: H2S ALARM
●● Where are those alarms located?
,Answer: Above every shaft alley with CHT pumps
●● What does amber mean and how many PPM sets off the alarm?
Answer: Detected some H2S in the air / 100-150 PPM
●● What does red mean and how many ppm sets off the alarm?
Answer: Red means get out / anything over 150
●● If an amber or red light is displayed on the panel what are your
immediate actions?
Answer: Notify EDO and sound & security rover
●● What does H2S smell like?
Answer: Rotten eggs
●● Where are the CHT spill lockers for each pump room?
Answer: FWD REP 2/ MID REP 5/ AFT REP 3
●● How do you call away a CHT spill?
Answer: HAZMAT/TOXIC GAS
●● What procedure is used for DCSSP to re-establish pump suction?
,Answer: Flush it with firemain
●● How many NM out to sea do we need to be to pump sewage over the
side?
Answer: 3 nautical miles
●● Where are the CHT risers located?
Answer: Enlisted smoke pit, officer QD, under FM office, above XO's p
way
●● Immediate actions for CHT leak on the pier?
Answer: Secure pumping, notify EDO
●● Immediate actions for CHT hose in the water?
Answer: Secure pumping/divers, notify EDO
●● Where are the CHT pumps powered from?
Answer: 1-3 E BOARDS
●● Which vital system is associated with CHT?
Answer: Fire main/low pressure air
●● How to operate CHT pumps if LP air is down?
, Answer: Adjust from motor control/have HT's operate
●● What needs to be done to the CHT system for the cold weather bill
(35°F or less)?
Answer: Slow drip
●● How is CHT being pumped off the ship?
Answer: In port pitbulls/ underway CHT pumps
●● Where are these pumps located?
Answer: FWD pump room 1, MID Starbucks, AFT by ACE 3
●● How often do the pit bull pumps get checked by DCSSP?
Answer: Every 2 hours
●● What do we check when roving the pit bull pumps?
Answer: They are on
●● If there is a major leak on a pit bull pump or its connection how do
you secure power?
Answer: Shop 99/ contractors
●● Who do you notify if there is a leak/spill on a pit bull pump?
