TASCO Exit Exam Questions and Answers

Question 1 of 30

Cargo oil loaded in separate tanks including segregation of cargo lines and pumps with double valve segregation is called:

A) Closed segregation
B) Complete segregation
C) Natural segregation
D) Partial segregation

Question 2 of 30

On tankers, the impairment of smell is especially serious when mixtures contain:

A) Hydrocarbon vapors
B) Carbon dioxide
C) Hydrogen Sulphide (H2S)
D) Sulphur dioxide

Question 3 of 30

In the vicinity of an electrical storm, tanker cargo operations or tank cleaning:

A) May continue if tanks are inerted
B) Must be stopped
C) May continue if venting is isolated
D) May continue if pressure is atmospheric

Question 4 of 30

The tank washing machines for Crude Oil Washing (COW) shall be mounted:

A) Temporarily
B) Permanently
C) Portably
D) None of the above

Question 5 of 30

An ‘Aframax’ tanker is a vessel of size range:

A) 10,000 – 49,999 DWT
B) 80,000 – 119,999 DWT
C) 120,000 – 159,999 DWT
D) Above 300,000 DWT

Question 6 of 30

What component is almost absent in crude petroleum?

A) Olefins
B) Naphthenes
C) Mercaptans
D) Cycloparaffins

Question 7 of 30

Class C fire divisions are constructed with non-combustible materials, with the exception that:

A) Combustible veneers are permitted
B) Wood frames are permitted
C) Plastic panels are permitted
D) No exceptions are allowed

Question 8 of 30

In SOPEP, the Local Contact List should be updated every:

A) 1 month
B) 3 months
C) 6 months
D) 12 months

Question 9 of 30

The main requirement of OPA 90 (Oil Pollution Act of 1990) for tankers is:

A) New tankers must have double hulls
B) Tankers must use low sulphur fuel
C) Crude oil washing is mandatory for all
D) All crew must be US citizens

Question 10 of 30

Petroleum liquids with a closed-cup flash point below 60°C (140°F) are considered:

A) Non-volatile liquids
B) Volatile liquids
C) Heavy oils
D) Inert liquids

Question 11 of 30

Inert Gas system ‘Scrubber’ tower primarily aims to:

A) Heat the gas
B) Cool the gas and remove sulphur oxides
C) Increase oxygen content
D) Compress the gas

Question 12 of 30

What is the use of the IGS interlock switch?

A) To bypass the scrubber
B) To allow oxygen above 8%
C) To stop the system if tank pressure drops below 100mm WG
D) To open the atmosphere valve automatically

Question 13 of 30

The automatic sprinklers in accommodation shall operate within the temperature range:

A) 68°C – 79°C
B) 50°C – 60°C
C) 80°C – 95°C
D) 100°C – 120°C

Question 14 of 30

Using the dilution method, fresh air is blown into the tank and vented out at:

A) Deck level
B) Purge pipe
C) Bottom of the tank
D) Scrubber inlet

Question 15 of 30

A safety outlet is provided on CO2 discharge piping to prevent:

A) Accidental discharge
B) Rupture of cylinder due to temp increase
C) Personnel entering the space
D) Freezing of valves

Question 16 of 30

In the Ship-Shore Safety Checklist, what does code ‘R’ stand for?

A) Remarks
B) Request
C) Require
D) Re-checked

Question 17 of 30

In the event of cargo spillage, which of the following should be informed FIRST?

A) The Ship Owner
B) The Agent
C) The Port Authority
D) The Clean-up Contractor

Question 18 of 30

What is the meaning of the abbreviation ‘ABC’ in first aid?

A) Airway, Breathing, Circulation
B) Always Be Careful
C) Alert, Breathing, Chest
D) Action, Blood, Cooling

Question 19 of 30

Flame detectors are generally used in addition to:

A) Water sprayers
B) Smoke or heat detectors
C) Gas detectors
D) Bilge alarms

Question 20 of 30

The mass of water vapour in a volume of saturated gas depends primarily on:

A) Temperature
B) Pressure
C) Flow rate
D) Humidity outside

Question 21 of 30

The IG blower should be capable of maintaining a positive pressure of ___ mm WG minimum:

A) 100
B) 200
C) 500
D) 800

Question 22 of 30

Inhibitors are used in chemical cargoes to stop the product from:

A) Self-reacting (Polymerization)
B) Vaporizing
C) Freezing
D) Discoloring

Question 23 of 30

What is the maximum allowable suction head for a fire pump?

A) 3 meters
B) 4.5 meters
C) 7 meters
D) 9 meters

Question 24 of 30

Nitrous gases (NO and NO2) after passing the scrubber tower are approximately:

A) 0.0001%
B) 0.02% by volume
C) 1%
D) Completely removed

Question 25 of 30

When taking ballast on non-inerted tanks, which measure should be taken?

A) Tank valves are opened first
B) Tank valves are opened last
C) Ballast is loaded at high rate
D) No special measures

Question 26 of 30

The gas regulating valve should be opened very slowly to maintain:

A) Scrubber water level
B) Correct boiler combustion / pressure
C) Oxygen content at zero
D) Blower speed

Question 27 of 30

What is the primary advantage of Halon over CO2 for fire fighting?

A) It is cheaper
B) It is more effective per unit weight and less toxic
C) It cools the fire
D) It can be used on metal fires

Question 28 of 30

To start a loaded voyage with positive pressure, tanks are purged to a pressure of:

A) 100-200 mm WG
B) 300-600 mm WG
C) 400-800 mm WG
D) 1000 mm WG

Question 29 of 30

The foam monitor on a tanker deck is designed to cover:

A) The cargo deck area
B) The engine room
C) Only the manifold
D) The accommodation front

Question 30 of 30

What is the frequency of pressure testing SCBA sets ashore?

A) Annually
B) Every 2 years
C) Every 5 years
D) Every 10 years

Congratulations!

Wow! You finished this set. Now practice the next set to stay prepared!

Click Here For SET 2

STCW Certified Exam Preparation

Master Your
DG Exit Exam

Practice interactive MCQs for EFA, FPFF, MFA, PSSR, STSDSD and all STCW modules. Instant answer feedback, score tracking and detailed explanations.

7 subjects · 420+ questions · press Enter to jump to results

420+

Questions

Subjects

Practice Sets

Free

Always

Explore

Practice by Module

Choose Your Exam Subject

All DG Shipping exit exam modules covered. Pick a subject and start practicing immediately — no account needed.

Showing all 7 subjects

No subjects match your search. Try "EFA", "fire" or "medical".

How It Works

Simple. Effective. Free.

Built for mariners preparing for DG Shipping exit exams. Practice at your own pace, on any device.

Choose a Module

Pick from EFA, FPFF, MFA, PSSR, STSDSD and more. Each subject has multiple sets with 30 questions each.

Answer MCQs

Tap your answer for instant feedback. Correct answers show in green, wrong in red — learn actively as you go.

Review Your Score

See your score, review missed questions and repeat a set until you're confident enough for the real exam.

TASCO Exit Exam Questions | Set 1 | Advanced Training for Oil Tanker Cargo Operations

TASCO Exit Exam Practice