Tankers USCG Questions and Answers 2023 with complete
solution
# 1 - USCG 1813
The most likely time for oil pollution while bunkering is when
A. final topping off is occurring
B. hoses are being blown down
C. first starting to receive fuel
D. hoses are disconnected and being capped
A
#2 - USCG 1826
Static electricity may be built up by the
A. settling of solids or water in petroleum
B. flow of petroleum through pipes
C. spraying or splashing of petroleum
D. All of the above
D
# 3 - USCG 1829
In order to reduce the accumulation of static electricity while loading petroleum
products, you should
A. use the overall method of loading only
B. start to load slowly
C. increase the air flow into the tank
D. start to load at maximum pressure
B
# 4 - USCG 1882
What does the MARPOL 73/78 convention deal with?
A. International Marine Organization Gas Carrier Code
B. International Convention for the Prevention of Pollution from Ships
C. International Convention of Safety of Life at Sea
D. International Convention on Standards of Training Certification and Watchkeeping
B
#5 - USCG 2049
What is meant by "thieving" a petroleum cargo?
A. Reducing the gross cargo calculations to net amounts
B. Determining the amount of water (if any) in each cargo tank
C. Adjusting the cargo figures to coincide with the draft
D. Siphoning off a few barrels of petroleum for shipboard use
B
#7 - USCG 2099
A deepwell pump is a type of
,A. gear pump
B. eductor
C. centrifugal pump
D. screw pump
C
# 8 - USCG 2101
All of the following steps are taken in starting a centrifugal pump, EXCEPT to
A. open the pump suction and discharge valves
B. vent the pump casing
C. set the relief valve
D. check the lubrication system
C
#9 - USCG 2102
You may be able to avoid loss of suction in a pump by
A. opening the vent cock on the pump
B. using a full tank to keep the pump primed
C. closing down on the tank valve
D. All of the above
D
#10 - USCG 2113
The terminal indicates to you that they are going to use a booster pump to assist the
discharging operation. You start the discharge, and in a few minutes the pressure drops
sharply. This could be a result of which of the following?
A. booster pump coming on the line and discharging properly
B. booster pump failing to start
C. booster pump being lined up in the wrong direction
D. ships pump speeding up
A
#11 - USCG 2114
What are submerged LNG pump bearings lubricated by?
A. graphite
B. silicon grease
C. Low Temp-a special cryogenic lubricant
D. LNG
D
# 12 - USCG 2119
What is the purpose of the relief valve of a cargo pump?
A. Allows two or more tanks to be filled at the same time
B. Provides for the removal of vapors
, C. Permits the return of cargo to the suction side of the pump
D. Provides for the emergency shutdown of the pump
C
# 13 - USCG 2120
Cargo pump relief valves are piped to the
A. crossover lines interconnecting two pumps
B. cargo pump pressure gauges
C. atmosphere through pump vents
D. suction side of pumps
D
# 14 - USCG 2189
You have water washed your cargo tanks using the fixed machines. What should you
do before using portable machines to clean areas screened from the wash of the fixed
machine by structural members?
A. Attach the water supply hose to the portable machine after the cleaning head is
positioned inside the tank.
B. Ground the fixed machines to eliminate any electrostatic buildup on the cleaning
head.
C. Insure that the tanks are not stripped until the final wash is started.
D. Ventilate the tank to eliminate any electrostatically charged mist.
D
#15 - USCG 2190
The complete details of a crude oil washing system aboard your vessel, including the
operating sequences and procedures, design characteristics, a description of the
system, and required personnel will be found in the
A. Crude Oil Washing Operations and Equipment Manual
B. Code of Federal Regulations
C. Oil Transfer Procedures Manual
D. Crude Oil Washing addendum to the Certificate of Inspection
A
# 16 - USCG 2194
You have completed a crude oil wash. What action should be taken with the oil in the
lines running to the washing machines?
A. Open a COW nozzle forward and one aft and drain the line into the after tank by
gravity
B. Blow the line out using compressed air
C. Pull a suction using the supply line pump
D. Close off all valves in the system and leave the oil in the line primed for the next
crude oil wash
A
# 17 - USCG 2209
What is NOT a precaution to be taken when topping off?
solution
# 1 - USCG 1813
The most likely time for oil pollution while bunkering is when
A. final topping off is occurring
B. hoses are being blown down
C. first starting to receive fuel
D. hoses are disconnected and being capped
A
#2 - USCG 1826
Static electricity may be built up by the
A. settling of solids or water in petroleum
B. flow of petroleum through pipes
C. spraying or splashing of petroleum
D. All of the above
D
# 3 - USCG 1829
In order to reduce the accumulation of static electricity while loading petroleum
products, you should
A. use the overall method of loading only
B. start to load slowly
C. increase the air flow into the tank
D. start to load at maximum pressure
B
# 4 - USCG 1882
What does the MARPOL 73/78 convention deal with?
A. International Marine Organization Gas Carrier Code
B. International Convention for the Prevention of Pollution from Ships
C. International Convention of Safety of Life at Sea
D. International Convention on Standards of Training Certification and Watchkeeping
B
#5 - USCG 2049
What is meant by "thieving" a petroleum cargo?
A. Reducing the gross cargo calculations to net amounts
B. Determining the amount of water (if any) in each cargo tank
C. Adjusting the cargo figures to coincide with the draft
D. Siphoning off a few barrels of petroleum for shipboard use
B
#7 - USCG 2099
A deepwell pump is a type of
,A. gear pump
B. eductor
C. centrifugal pump
D. screw pump
C
# 8 - USCG 2101
All of the following steps are taken in starting a centrifugal pump, EXCEPT to
A. open the pump suction and discharge valves
B. vent the pump casing
C. set the relief valve
D. check the lubrication system
C
#9 - USCG 2102
You may be able to avoid loss of suction in a pump by
A. opening the vent cock on the pump
B. using a full tank to keep the pump primed
C. closing down on the tank valve
D. All of the above
D
#10 - USCG 2113
The terminal indicates to you that they are going to use a booster pump to assist the
discharging operation. You start the discharge, and in a few minutes the pressure drops
sharply. This could be a result of which of the following?
A. booster pump coming on the line and discharging properly
B. booster pump failing to start
C. booster pump being lined up in the wrong direction
D. ships pump speeding up
A
#11 - USCG 2114
What are submerged LNG pump bearings lubricated by?
A. graphite
B. silicon grease
C. Low Temp-a special cryogenic lubricant
D. LNG
D
# 12 - USCG 2119
What is the purpose of the relief valve of a cargo pump?
A. Allows two or more tanks to be filled at the same time
B. Provides for the removal of vapors
, C. Permits the return of cargo to the suction side of the pump
D. Provides for the emergency shutdown of the pump
C
# 13 - USCG 2120
Cargo pump relief valves are piped to the
A. crossover lines interconnecting two pumps
B. cargo pump pressure gauges
C. atmosphere through pump vents
D. suction side of pumps
D
# 14 - USCG 2189
You have water washed your cargo tanks using the fixed machines. What should you
do before using portable machines to clean areas screened from the wash of the fixed
machine by structural members?
A. Attach the water supply hose to the portable machine after the cleaning head is
positioned inside the tank.
B. Ground the fixed machines to eliminate any electrostatic buildup on the cleaning
head.
C. Insure that the tanks are not stripped until the final wash is started.
D. Ventilate the tank to eliminate any electrostatically charged mist.
D
#15 - USCG 2190
The complete details of a crude oil washing system aboard your vessel, including the
operating sequences and procedures, design characteristics, a description of the
system, and required personnel will be found in the
A. Crude Oil Washing Operations and Equipment Manual
B. Code of Federal Regulations
C. Oil Transfer Procedures Manual
D. Crude Oil Washing addendum to the Certificate of Inspection
A
# 16 - USCG 2194
You have completed a crude oil wash. What action should be taken with the oil in the
lines running to the washing machines?
A. Open a COW nozzle forward and one aft and drain the line into the after tank by
gravity
B. Blow the line out using compressed air
C. Pull a suction using the supply line pump
D. Close off all valves in the system and leave the oil in the line primed for the next
crude oil wash
A
# 17 - USCG 2209
What is NOT a precaution to be taken when topping off?
