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Marine Fuel and Water Quality Quiz
Test your knowledge about marine fuel quality, water testing, and lubrication principles with our comprehensive quiz. This quiz is designed for those in the maritime industry, facilitating better understanding and adherence to essential testing protocols.
- 46 questions to challenge your expertise
- Covers a range of topics from fuel specifications to water quality testing
- Perfect for professionals and students alike
� What is the required time a graph will be plotted during the TBNl test time?
160s
180s
140s
120s
In what water test that the water change into blue color?
Chloride
Alkalinity
Nitrite
PH
Which of the following can be used to check the fuel delivered will exactly meets the specification of the fuel ordered?
ASTM
TBN
Water in oil
Density
What water test that turn the water into white?
Chloride
PH
Hardness
Nitrite
What is the required temperature for the water in oil test?
18 deg
299k
288k
Ambient temperature
During cooling water test, the count of added nitrite 2 tablets is 15, what does it mean
The nitrite is high, it will not form corossion
The alkalinity is high, it will not form corossion
The nitrite is low, it will not form scaling
The nitrite is high, it will not form scaling
Select the effect of fluid lubrication?
Separate mechanical parts
Cooling
All of the above
Dissolve solids
Purpose is to test for dissolved oxygen content. To know reserve hydrazine ppm and prevent corrosion and aeration.
Hardness
Amerzine
Chloride
Alkalinity
What is measured in kinematic viscosity?
Force
Density
Viscosity
Velocity
What does a Total Base Number (TBN) do to the engine?
Neautralize acid in crankcase
Removes corrosion and impurities
Dissipate heat
Avoids friction and wearing
In Main engine fuel system, the _______________________ controls the fuel oil temperature in order to provide the correct viscosity for combustion.
Flow meter
Thermometer
Viscosity regulator
Pressure regulator
Where is the best location of the sample point when taking oil samples during bunkering?
Bunker manifold
At the eductor
Salinometer
All of the above
The purpose of this test in boiler is to give warning on acidity or alkalinity of boiler water sample and the result help to establish the dosage of boiler compound to fight against corrosion.
Alkalinity test
Chloride test
Nitrite test
Conductivity test
When performing a viscosity test for used lube oil, what normally is the result? And why?
The new oil has higher density because used oil has impurities
The used lube oil viscosity is higher due to oxidation and contaminants
The used oil has formed scaling
None of the above
What is the general formula of alkenes?
Two hydrogen for every 1 carbon
Two carbon for every 1 hydrogen
1 carbon for every 1 carbon
Two hydrogen for every 1 hydrogen
What is the required time a graph will be plotted during the Water in Oil test time?
180 s
160s
120s
200s
Which of the following temperature limits is included in the ISO standard because of safety reasons?
Cloud point
Pour point
Flash point
Cetane index
Purpose is to give warning against any seawater contamination of the boiler feed system and help establish an effective blowdown control of boiler. What type of boiler test is this?
Chloride test
Alkalinity test
Nitrite test
Hardness test
Which of the following is a measure of lubricant's resistance to flow (fluid thickness) at temperature and is considered an oil's most important physical property?
Density
Viscosity
Sulphur level
Cetane index
The contaminants normally found in marine fuel oil usually originate from which of the following?
All of the above
Transport and storage
During bunkering
Di ko sure e
Which of the following is the chemical degradation of the lubricant caused by a reaction with oxygen, primarily at high temperatures?
Oxidation
Corrosion
Scaling
Overheating
The heat energy that comes from the fuel is expressed in.
Kilo joules per gram
Mega joules per kilogram
Kilo joules per pound
Mega jouls per kilogram
Are lubricating oils composed of the following?
80% to 90% petroleum hydrocarbon distillate
80% to 90% petroleum hydrocarbon residual
85% to 90% petroleum hydrocarbon distillate
85% to 90% petroleum hydrocarbon residual
Which of the following is a condensate return and boiler make-up water that is fed to the boiler to make new steam?
Condensate water
make up water
Boiler water
Fresh water
How many bunker fuel oil samples to be taken?
3
2
4
5
Catalytic fines comprise which two elements?
Silicon and aluminum
Silicon and Phosphate
Aluminum and phosphate
Aluminum and sulfur
It is the mass per unit volume of a product. It is used to convert the volume delivered into the quality purchase.
Viscosity
Density
Force
Velocity
To avoid compatibility problem because of unavoidable mixing of fuel type, which of the following option is recommended?
Seperate the old oil then wait for months then test it
Slowly mix the new oil on old oil possible
Use new oil only
None of the above
The problem of today's marine fuel is that?
The fuel oil quality requires more because it can’t cope up with new technologies
More corriosion
Less heating quality
None of the above
What ISO standards that specifies the requirements for determining the flash point of petroleum products?
ISO 3140
Iso 2719
ISO 3105
ISO 3769
Which of the following substance added to a lubricant to improve its properties?
Dipersancy
Detergent
Additives
None of the above
Which of the following substance added to a lubricant to improve its properties?
Heat produce when ignited
Duration of heat
Additives
Additives
N performing a TBN test, Total base number (TBN) of oil is reduced when
High sulphur
Low sulfur
Low density
High density
Which of the following Ignition quality indicators is included in the ISO 8217 for DMA grade?
Flashpoint
Cetane index
Pour point
Cloud point
The _________________ of oil measures the ability of an engine oil to resist becoming thinner at high temperatures. It is the number that indicates the effect of the temperature changes on the viscosity of oil.?
Viscosity index
Viscosity
Density
Density index
When water test is performed, and the water turns into yellow. What does it mean?
Chloride test
Alkalinity test
Nitrite test
Hardeness test
What is the first thing that appears to be done in TBN set up if a new oil is used in TBN test?
Calibrate new oil
Menu
Start
new oil
T is the carbon-free inorganic residue remain after the fuel is completely burn.
Ash
Dirty oil
Corrosion
Scale
In what test will you have to select the range in the test kit?
Oil in water test
Water in oil test
TBN test
None of the above
What is the general formula of alkanes?
1 carbon 2 hydrogen plus 2
2 carbon 1 hydrogen plus 2
1 hydrogen for every carbon
2 carbon or every hydrogen
Which of the following statements gives the best description of stable fuel?
If it still good when stored and transported
The oil is clear
The oil has less density and viscosity
All of the above
When water test is performed, and many chloride tablets has been added but the water doesn't change color. What does it mean?
Substantial chloride
The test will turn into pink
There will be no changes
None of the above
It is a measure of carbonaceous material on fuel.
Carbon residue
Cetane index
Flashpoint
Carbon ashes
What is mixed lubrication?
Two lubricating oils
Grease and lubricant
Has more density than the others
None of the above
How many kilo joules per gram are there in 42 Mega joules per kilogram?
4200 kg/g
42kg/g
42 000 kj/g
420 k/g
During this test the P alkalinity test, what is the alkalinity if total number of tablets used is 11?
(no. Of tablets x 20) -20 = 210 Caco3
(no. Of tablets x 20) -20 = 210 (HC2)3
(no. Of tablets x 20) -10 = 210 Caco3
(no. Of tablets x 20) -100 = 210 ppm
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