Quiz_2.3
Marine Fuel and Lubrication Quiz
Test your knowledge about marine fuel and lubrication with our comprehensive quiz! Designed for industry professionals and enthusiasts alike, this quiz covers essential concepts and mechanisms that are crucial for effective marine engine operation.
What you can expect:
- 18 insightful questions
- Multiple-choice format
- Immediate feedback on your answers
If the CCAI is higher, this means_______.
Incomplete combustion
Complete combustion
Delay ignition
All of the above
If the CCAI is lower, this means_______.
Incomplete combustion
Complete combustion
Delay ignition
None of the above
What does TAN mean?
Total Acid Number
Total Acidic Number
Total Aromaticity Number
Total Atom Number
What is the effect of higher TAN in a marine engine?
Corrosion, oxidation, excessive wear, high viscosity
Corrosion, oxidation, excessive wear, high velocity
Corrosion, oxidation, excessive wear, high density
Sludge, oxidation, excessive bearing, high viscosity
What does FTIR means?
Fourier Transform Infrared
Foul Transfer Infrared
Fourier Transfer Internal Rectification
Fourier Trip Infrared Rectification
What is the used of FTIR?
To identity unknown compound
To identity unknown density
To identity unknown cetane
To identity unknown viscosity
Lubricating oil must be converted into a ____ before it can burn.
Gas
Liquid
Vapour
Fire
When the ____ number is low, it can cause the delay of ignition.
Cetane
CCAI
PPM
Total Acid
What is the unit of calorific value of marine fuel?
KJ/s
KJ/g
MJ/g
MJ/s
The recommended water content of fuel is only?
0.02%
0.2%
2.0%
0.002%
Water content of above _____ will cause damage to the injection pump system.
0.05%
0.5%
0.005%
5.0%
What happens when the cetane number of the fuel is low?
It causes delayed ignition
It causes incomplete combustion
It causes complete combustion
It causes good ignition.
What happens when the cetane number of the fuel is high?
It causes delayed ignition
It causes incomplete combustion
It causes good ignition
It causes complete combustion
What is the required flash point of marine fuel oils by law?
60oC or 333K
60oF or 333KJ
600oC or 303K
60oF or 333K
The cargoes should be covered by what gas?
Inert gas
Tear gas
Methane
Butane
Tanker is allowed to carry crude oil with lower the flash point required by law, but cargoes should be?
Blanketed
Covered
Sealed
No Oxygen
Lubricating oils are composed of
80–90% petroleum hydrocarbon distillate with 10–20% additives
80–90% petroleum hydrocarbon distillate with 15–25% additives
80–95% petroleum hydrocarbon distillate with 15–25% additives
80–95% petroleum hydrocarbon distillate with 10–20% additives
The most important physical property of lube oil
Viscosity
Density
Pour point
Water
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