AIGF - Advanced Training for Ships subject to the IGF Code Exit Exam Questions - Set 5

Question 1

What is the full chemical name of R22?

Accepted Answer

A: monochloro difluoromethane

Answer

B: monoflouride difluoromethane

Answer

C: monochloride dimethane

Answer

D: monochloro dimethane

Question 2

What are the characteristics of R22?

Accepted Answer

A: All of the above

Answer

B: colourless

Answer

C: non-flammable

Answer

D: odourless

Question 3

R22 is virtually non-toxic with a _______

Accepted Answer

A: TLV of 1,000 ppm

Answer

B: TLV of 2 ppm

Answer

C: TLV of 500 ppm

Answer

D: TLV of 30 ppm

Question 4

What is relative liquid density?

Accepted Answer

C: The mass of a liquid at a given temperature compared with the mass of an equal volume of fresh water at the same temperature at a different given temperature

Answer

A: The chemical union of two or more molecules of the same compound to form a larger molecule of a new compound

Answer

B: The mass of the gas at a given temperature compared with the mass of an equal volume of gas at the same temperature at a different given temperature

Answer

D: Inner surface designed to contain the cargo when the cargo containment system includes a secondary barrier

Question 5

What is relative vapour density?

Accepted Answer

D: The mass of a vapour compared with the mass of an equal volume of air, both at standard condition of temperature and pressure

Answer

A: Inner surface designed to contain the cargo when the cargo containment system includes a secondary barrier

Answer

B: The chemical union of two or more molecules of the same compound to form a larger molecule of a new compound

Answer

C: The mass of a liquid at a given temperature compared with the mass of an equal volume of fresh water at the same temperature at a different given temperature

Question 6

What is restricted gauging?

Accepted Answer

D: both (a) and (b)

Answer

A: none of the above

Answer

B: system employing a device, which penetrates the tank and which when in use permits a small quantity of cargo vapour to be expelled to the atmosphere.

Answer

C: the device is kept completely closed when the device is not in use

Question 7

In restricted gauging, when the device is not in use

Accepted Answer

D: the device is kept completely closed

Answer

A: the device is kept open

Answer

B: none of the above

Answer

C: the device is kept operated

Question 8

What is roll over?

Accepted Answer

B: The phenomenon where the stabilty of two stratified layers of liquid of differing relative density distributed resulting in a spomtaneous rapid mixing of the layers accompanied in the case of liquefied gases, by violent vapour evolution

Answer

A: The pressure at which a vapour is in equilibrium with its liquid at a specific temperature

Answer

C: Heat energy given to or taken from a substance which raises or lowers its temperature

Answer

D: The mass of the gas at a given temperature compared with the mass of an equal volume of gas at the same temperature at a different given temperature

Question 9

What is Saturated Vapour Pressure?

Accepted Answer

A: The pressure at which a vapour is in equilibrium with its liquid at a specific temperature

Answer

B: The mass of the gas at a given temperature compared with the mass of an equal volume of gas at the same temperature at a different given temperature

Answer

C: Heat energy given to or taken from a substance which raises or lowers its temperature

Answer

D: The phenomenon where the stabilty of two stratified layers of liquid of differing relative density distributed resulting in a spomtaneous rapid mixing of the layers accompanied in the case of liquefied gases, by violent vapour evolution

Question 10

What is sensible heat?

Accepted Answer

D: Heat energy given to or taken from a substance which raises or lowers its temperature

Answer

A: The liquid resisting outer element of a cargo containment system designed to provide temporary containment of a leakage of liquid cargothrough the primary barrier

Answer

B: The phenomenon where the stabilty of two stratified layers of liquid of differing relative density distributed resulting in a spomtaneous rapid mixing of the layers accompanied in the case of liquefied gases, by violent vapour evolution

Answer

C: The pressure at which a vapour is in equilibrium with its liquid at a specific temperature

Question 11

What is specific gravity?

Accepted Answer

B: The ratio of the density of a liquid at a given temperature to the density of fresh water at a standard temperature

Answer

A: The ratio of the density of a solid at a given temperature to the density ofsolid at a standard temperature

Answer

C: The ratio of the density of a molecule at a given temperature to the density of molecule at a standard temperature

Answer

D: The ratio of the density of a gas at a given temperature to the density of gas at a standard temperature

Question 12

What is specific heat?

Accepted Answer

A: The quantity of energy in kilojoules required to change the temperature of 1 kg mass of the substance by 1 degC.

Answer

B: The ignition of material brought by a heat producing chemical reaction within the material itself without exposure to an external source ignition

Answer

C: none of the above

Answer

D: The electrical charge produced on disimilar materials caused by relative motion between each when in contact

Question 13

What is spontaneous combustion?

Accepted Answer

B: The ignition of material brought by a heat producing chemical reaction within the material itself without exposure to an external source ignition

Answer

A: The electrical charge produced on disimilar materials caused by relative motion between each when in contact

Answer

C: The quantity of energy in kilojoules required to change the temperature of 1 kg mass of the substance by 1 degC.

Answer

D: none of the above

Question 14

What is Static electricity ?

Accepted Answer

C: The electrical charge produced on disimilar materials caused by relative motion between each when in contact

Answer

A: none of the above

Answer

B: The quantity of energy in kilojoules required to change the temperature of 1 kg mass of the substance by 1 degC.

Answer

D: alternating current

Question 15

What is superheated vapour?

Accepted Answer

D: Vapour removed from contact with its liquid and heated beyond its boiling temperature

Answer

A: The density of a gas or vapour inder specified conditions of temperature and pressure

Answer

B: detecting heat of gases or vapours

Answer

C: phenomenon generated in a pipeline system where there is a change in the heat of liquid in the line

Question 16

What is surge pressure?

Accepted Answer

C: phenomenon generated in a pipeline system where there is a change in the rate of flow of liquid in the line

Answer

A: pressure measuring instrument used for detecting gases or vapours

Answer

B: The density of a gas or vapour inder specified conditions of temperature and pressure

Answer

D: Vapour pressureremoved from contact with its liquid and heated beyond its boiling temperature

Question 17

LNG as fuel, Sulphur Oxide (SOx) and particulates emissions are ---------- compared to diesel or heavy fuel oil powered vessels.

Accepted Answer

C: negligible.

Answer

A: great

Answer

B: both a and c

Answer

D: more

Question 18

LNG reduces CO2 emissions by --------in general, compared to diesel or heavy fuel oil powered vessels.

Accepted Answer

A: 25 to 30 percent

Answer

B: 10 to 15 percent

Answer

C: negligible

Answer

D: 5 to 10 percent

Question 19

Engine efficiency can be increased by utilising existing turbo charger with the __________

Accepted Answer

A: All the above

Answer

B: Not rematching existing turbo charger

Answer

C: Not modifying turbo chargers to meet tyre 2 and 3 emission standards

Answer

D: latest man disel turbo charger

Question 20

Basic thing for a hybrid turbo charger is

Accepted Answer

B: an altenator is attached to a blower end

Answer

A: Does not runs at very high speed

Answer

C: Doesn't requires cooling system

Answer

D: All the above

Question 21

NOX and SOX emission can be controlled by using which type of fuel

Accepted Answer

D: LNG

Answer

A: Heavy fuel oil

Answer

B: marine diesel oil

Answer

C: petrol

Question 22

low specific fuel oil consumption at all loads can be achieved by

Accepted Answer

B: derating a propulsion engines

Answer

A: medium rating propulsion engines

Answer

C: low rating propulsion engines

Answer

D: high rating propulsion engines

Question 23

________ causes the changes in engine power on speed distinguishing rating for Slow steaming market

Accepted Answer

D: derating

Answer

A: rerating

Answer

B: increase the rating

Answer

C: flow rating

Question 24

What is mean by hybrid turbo charging?

Accepted Answer

B: it also generates electricity

Answer

A: it also generates hydrogen

Answer

C: it also generates water

Answer

D: None of the above

Question 25

A ____________ is attached with a hybrid turbo charger

Accepted Answer

D: alternator

Answer

A: pump

Answer

B: None of the above

Answer

C: motor

Question 26

What is the RPM of a turbo charger?

Accepted Answer

C: 9000

Answer

A: 6000

Answer

B: 7000

Answer

D: 5000

Question 27

___________ is required for the alternator fitted with HYBRID turbo charger

Accepted Answer

B: cooling system

Answer

A: None of the above

Answer

C: circulating system

Answer

D: heating system

Question 28

In addition to fuel savings WHRS gives

Accepted Answer

B: All of the above

Answer

A: large CO2 reduction

Answer

C: large NOX reduction

Answer

D: large sox reduction

Question 29

Waste heat recovery system pay back time is _________

Accepted Answer

C: short

Answer

A: medium

Answer

B: None of the above

Answer

D: long

Question 30

_________ on the hull is done to increase the vessel hydrodynamic performance

Accepted Answer

D: removal of fouling on the hull

Answer

A: removal of paints on the hull

Answer

B: addition of water on the hull

Answer

C: addition of oil on the hull

Advanced Training for Ships subject to the IGF Code (AIGF) (Set 5)

What is the full chemical name of R22?

Questions in AIGF Set 5

Question Discussion & Notes

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