BASIC TRAINING FOR OIL AND CHEMICAL TANKER CARGO OPERATIONS(TFC-COM) (OCTCO) EXIT EXAM QUESTIONS AND ANSWERS AS PER DG SHIPPING EXIT EXAMS.

  • It is a rule that the inert gas supply to the cargo tanks must be provided for
  1. Drainage of inert gas
  2. Fitting blind or spectacle flanges
  3. Securing and locking in a closed position                  *
  4. Easy removal and inspection
  • Which of the following methods is widely used method for trace gas analysis?
  1. Galvanic methods
  2. Conductometric method            *
  3. Polarography sales
  4. Thermal conductivity method
  • Duties of technical team or engineers team
  1. Inform office about fire
  2. Start fire pump and emergency generator
  3. Maintain communication with bridge team
  4. Both  B and  C        *
  • Is slope tanks included in the total cargo capacity?
  1. Only on clean blast tankers
  2. Yes it is        *
  3. Only  on segregated blast tankers
  4. No it is not
  • A bigger spell of LPG will be visible as a ——- which is condensed water vapour from the atmosphere.
  1. White cloud     *
  2. Blue cloud
  3. Black cloud
  4. None of these
  • What is the abbreviation of IAPH ?
  1. International association of ports and harbours         *
  2. International association of principal and Hull
  3. International association of pump pressure head
  4. None of the above
  • The gas passing after scrubbed of particular matters and sulphurous gases still contains ——- which must be removed.
  1. Ash
  2. Water drops    *
  3. Acid
  4. none

  • A centrifugal bilge pump requires priming———–
  1. To initially unload the pump by having its head pressure equal to discharge pressure
  2. Due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller       *
  3. In order to overcome the potential energy of water in the discharge line
  4. Primary to lubricate the shaft seals
  • In IG, the mass of the water vapour contained in a given volume of saturated gas depends on the ——— of the gas
  1. Temperature     *
  2. Pressure
  3. Volume
  4. Velocity
  • What are the additional requirements on tankers for safety?
  1. Fixed fire fighting system
  2. Deluge system
  3. Sprinkler system on lifeboat
  4. Emergency towing arrangement       *
  • A scrubber tower which is normally acts as a.
  1. Heater
  2. Cooler    *
  3. Humidifier
  4. Dehumidifier
  • The fire control draft on board is called the safety plan and shall be posted on board in part and copy of this plan shall in addition be available somewhere else. Where must this copy be available
  1. In the engine control room
  2. On the terminal
  3. At the gang way      *
  4. Handed over to the surveyor
  • Heat released from fire 80% of heat is conducted through conduction.
  1. True      *
  2. False
  • Permit to work on a tanker berth should not be carried out until permission is obtained from
  1. Master
  2. Chief officer
  3. Company safety officer
  4. Terminal representative        *
  • The master is the incharge of the technical team.
  1. True
  2. False       *
  • What should an emergency plan should be directed to?
  1. The rescue and treatment of casualties and safeguarding others
  2. Minimising damage to ship, property and environment
  3. Containing and bringing the incident under control
  4. All of the above        *
  • An enclosed space in the cargo area external to a cargo containment system room, or any space in normal use by personnel is called
  1. Accommodation
  2. Gas free area
  3. Void space      *
  4. None of the above
  • While taking part in fire on board, act if the fire is real.
  1. True      *
  2. False
  • At what point do you sound the fire alarm?
  1. After you try to extinguish it
  2. As soon as you see it       *
  3. After talking with officer-in-charge
  4. After you grab all tools from the site
  • Inert gas blowers are——-
  1. Paddle type low speed blowers
  2. Low speed type centrifugal fans
  3. Turbine type centrifugal blower fans     *
  4. Reciprocating type bower units
  • What is cofferdam?
  1. Tube fitted to an a ullage hole
  2. White or empty space separating two tanks                           *
  3. Opening in the deck used for cleaning tank
  4. Area the product is loaded into
  • Bull works are generally not permitted in the cargo tanks areas because
  1. They tend to contain heavy vapour in board during cargo operations                  *
  2. They restrict the outflow of water during heavy weather
  3. They are unnecessary extra weight structure wise
  4. They stiffen the tank deck too much and do not allow flexibility
  • When cargo discharge into pressurized storage cargo booster pump and cargo heater runs in_____ with the cargo pump
  1. Series               *
  2. Parallel
  3. Equally
  4. None
  • What is the type of gas carrier based on hazardous nature of the cargo which has maximum cargo?
  1. Type 1G
  2. Type 2G
  3. Type 2PG
  4. Type 3G                  *
  • How can you determine which grades of cargo a tank vessel is permitted to carry?
  1. Check the loading order
  2. Ask the terminal supervisor or his representative
  3. Examine the cargo tanks and fittings
  4. Refer to the vessel’s certificate of inspection                  *
  • What is dead weight scale?
  1. The maximum dead weight the vessel can achieve                             *
  2. The ratio of dead weight and reserve buoyancy
  3. The maximum reserve buoyancy the vessel can have
  4. BA table it is the part of the vessel plans and indicates the draught the vessel will be down
  • Lifeboats should have
  1. 2 buoyant rescue quoits attached not less than 30 m buoyant line                       *
  2. 2 buoyant rescue quoits attached not less than 15 m buoyant line
  3. 1 buoyant rescue quoits attached not less than 30 m buoyant line
  4. 1 buoyant rescue quoits attached not less than 15 m buoyant line
  •  Who completes the declaration of inspection before loading a tank vessel?
  1. The manager of the shore facility
  2. The US coast guard
  3. Designated person in charge                 *
  4. American bureau of shipping
  • What kind of extinguishing remedy should you choose to put out electrical fire?
  1. Water
  2. Dry powder                *
  3. Foam
  4. Combination of water mist and Co2
  • What is critical pressure (bars, absolute) of methane?
  1. 44.7                   *
  2. 48.9
  3. 42.6
  4. 38.1

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