AIGF exit exam questions and answers — Set 5 — Advanced Training for Ships subject to the IGF Code
Set 5 of the Advanced Training for Ships subject to the IGF Code (AIGF) exit exam bank — 30 of 468 questions, with the correct option marked and a one-line explanation for every one. Read it end to end, jump to a single set, or search it — then sit the same bank as a timed paper. The real DG Shipping exit exam is 30 marks with 15 to pass.
These are the bank's original groupings. Practising deals the whole bank out again every time you reshuffle, so a practice “Set 3” is a different 30 questions each time — the set numbers below are the source file's, and are only used here so the key stays navigable. Options are listed in their original order with fixed letters; when you practise, those move too.
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Set 5 — 30 AIGF exit exam questions with answers
1. What is specific gravity?
- A. The ratio of the density of a solid at a given temperature to the density ofsolid at a standard temperature
- B. The ratio of the density of a liquid at a given temperature to the density of fresh water at a standard temperature
- C. The ratio of the density of a molecule at a given temperature to the density of molecule at a standard temperature
- D. The ratio of the density of a gas at a given temperature to the density of gas at a standard temperature
2. What is specific heat?
- A. The quantity of energy in kilojoules required to change the temperature of 1 kg mass of the substance by 1 degC.
- B. The ignition of material brought by a heat producing chemical reaction within the material itself without exposure to an external source ignition
- C. none of the above
- D. The electrical charge produced on disimilar materials caused by relative motion between each when in contact
3. What is spontaneous combustion?
- A. The electrical charge produced on disimilar materials caused by relative motion between each when in contact
- B. The ignition of material brought by a heat producing chemical reaction within the material itself without exposure to an external source ignition
- C. The quantity of energy in kilojoules required to change the temperature of 1 kg mass of the substance by 1 degC.
- D. none of the above
4. What is Static electricity ?
- A. none of the above
- B. The quantity of energy in kilojoules required to change the temperature of 1 kg mass of the substance by 1 degC.
- C. The electrical charge produced on disimilar materials caused by relative motion between each when in contact
- D. alternating current
5. What is superheated vapour?
- A. The density of a gas or vapour inder specified conditions of temperature and pressure
- B. detecting heat of gases or vapours
- C. phenomenon generated in a pipeline system where there is a change in the heat of liquid in the line
- D. Vapour removed from contact with its liquid and heated beyond its boiling temperature
6. What is surge pressure?
- A. pressure measuring instrument used for detecting gases or vapours
- B. The density of a gas or vapour inder specified conditions of temperature and pressure
- C. phenomenon generated in a pipeline system where there is a change in the rate of flow of liquid in the line
- D. Vapour pressureremoved from contact with its liquid and heated beyond its boiling temperature
7. LNG as fuel, Sulphur Oxide (SOx) and particulates emissions are ---------- compared to diesel or heavy fuel oil powered vessels.
- A. great
- B. both a and c
- C. negligible.
- D. more
8. LNG reduces CO2 emissions by --------in general, compared to diesel or heavy fuel oil powered vessels.
- A. 25 to 30 percent
- B. 10 to 15 percent
- C. negligible
- D. 5 to 10 percent
9. Engine efficiency can be increased by utilising existing turbo charger with the __________
- A. All the above
- B. Not rematching existing turbo charger
- C. Not modifying turbo chargers to meet tyre 2 and 3 emission standards
- D. latest man disel turbo charger
10. Basic thing for a hybrid turbo charger is
- A. Does not runs at very high speed
- B. an altenator is attached to a blower end
- C. Doesn't requires cooling system
- D. All the above
11. NOX and SOX emission can be controlled by using which type of fuel
- A. Heavy fuel oil
- B. marine diesel oil
- C. petrol
- D. LNG
12. low specific fuel oil consumption at all loads can be achieved by
- A. medium rating propulsion engines
- B. derating a propulsion engines
- C. low rating propulsion engines
- D. high rating propulsion engines
13. ________ causes the changes in engine power on speed distinguishing rating for Slow steaming market
- A. rerating
- B. increase the rating
- C. flow rating
- D. derating
14. What is mean by hybrid turbo charging?
- A. it also generates hydrogen
- B. it also generates electricity
- C. it also generates water
- D. None of the above
15. A ____________ is attached with a hybrid turbo charger
- A. pump
- B. None of the above
- C. motor
- D. alternator
16. What is the RPM of a turbo charger?
- A. 6000
- B. 7000
- C. 9000
- D. 5000
17. ___________ is required for the alternator fitted with HYBRID turbo charger
- A. None of the above
- B. cooling system
- C. circulating system
- D. heating system
18. In addition to fuel savings WHRS gives
- A. large CO2 reduction
- B. All of the above
- C. large NOX reduction
- D. large sox reduction
19. Waste heat recovery system pay back time is _________
- A. medium
- B. None of the above
- C. short
- D. long
20. _________ on the hull is done to increase the vessel hydrodynamic performance
- A. removal of paints on the hull
- B. addition of water on the hull
- C. addition of oil on the hull
- D. removal of fouling on the hull
21. Derating is an engine for reduction of the vessels maximum speed to increase the efficiency by limiting the __________
- A. potential power output
- B. None of the above
- C. kinetic power output
- D. total output
22. Derating is an engine for ________ of the vessels maximum speed to increase the efficiency by limiting the potential power output
- A. reduction
- B. increase
- C. production
- D. addition
23. Derating is an engine for reduction of the vessels _______ speed to increase the efficiency by limiting the potential power output
- A. normal
- B. minimum
- C. None of the above
- D. maximum
24. What is meant by engine performance optimization?
- A. automatic increase of engine efficiency
- B. mechanical increase of engine efficiency
- C. non automatic increase of engine efficiency
- D. manual increase of engine efficiency
25. ______ requires thermal energy from the exhaust gas and convert it into electrical energy
- A. None of the above
- B. recirculation recovery system
- C. manual heat recovery system
- D. waste heat recovery system
26. Waste heat recovery system requires _______ energy from the exhaust gas and convert it into electrical energy
- A. kinetic
- B. potential
- C. thermal
- D. dynamic
27. Waste heat recovery system requires thermal energy from the _______ gas and convert it into electrical energy
- A. inert
- B. exhaust
- C. energise
- D. None of the above
28. Turbo charger refitting increases efficieny and reduce emissions of _______ engine
- A. main
- B. side
- C. left
- D. right
29. Turbo charger refitting _______ efficieny and reduce emissions of main engine
- A. balance
- B. equalize
- C. decrease
- D. increases
30. Upgrading Turbo charger to ________ will increase efficiency
- A. VTA technology
- B. ATV technology
- C. to A technology
- D. Vat tehnology
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