ICML LUBRICATION MLA&MLT LEVEL I EXAM
|ACTUAL QUESTIONS AND VERIFIED
ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
Name the two most common types of mineral-based oils. Which would have the highest
VI? Which would have the lowest pour point?
CORRECT ANSWER
Paraffinic has the highest VI. Naphthenic has the lowest pour point.
Question 2
What unit of measure is used with flash point and pour point?
CORRECT ANSWER
Temperature in degrees Celsius
Question 3
Is the specific gravity of a mineral oil typically higher or lower than synthetic lubricants?
CORRECT ANSWER
Lower
Question 4
Which has a higher VI, a PAO or a solvent-refined (Group 1) mineral or oil?
CORRECT ANSWER
1
, PAO
Question 5
When and oil oxidizes, how does its viscosity typically change?
CORRECT ANSWER
It goes up
Question 6
In the SAE crankcase viscosity classification 0W-30, what does the W stand for?
CORRECT ANSWER
Winter
Question 7
Of the following motor oil's, which are oil is best suited for coldstart conditions?
SAE 15W-50
SAE 40
SAE 20
SAE 0W-30
CORRECT ANSWER
SAE 0W-30
Question 8
2
,When a SAE 20 is blended with an SAE 40, will that resulted viscosity be closer to SAE 30 or
SAE 60?
CORRECT ANSWER
SAE 30
Question 9
Name four possible benefits of using synthetic base oil as a lubricant.
CORRECT ANSWER
Better thermal stability, high VI, lower pour point, natural detergent (some cases), fire
resistant (some cases).
Question 10
Name the synthetic base oil that is widely used as crankcase oil and is mixable with
mineral oil.
CORRECT ANSWER
Polyalphaolefin (PAO)
Question 11
Name three fluids that are used as fire resistant hydraulic fluid.
CORRECT ANSWER
Phosphate Estar, water glycol, oil-water emulsions.
Question 12
What types of synthetics are at risk for water-induced degradation called hydrolysis?
3
, CORRECT ANSWER
Esters such as phosphate Esther, polyol ester, and dibasic acid ester
Question 13
What is a common cause of seal swell or seal shrinkage?
CORRECT ANSWER
Incompatibility with base oils and/or additive.
Question 14
What does API stand for?
CORRECT ANSWER
American Petroleum Institute
Question 15
What does ASTM stand for?
CORRECT ANSWER
American Society for Testing and Materials
Question 16
Which of the following would be considered a white oil?
Group III hydrocracked mineral oil
Group IV PAO synthetic
CORRECT ANSWER
4
|ACTUAL QUESTIONS AND VERIFIED
ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
Name the two most common types of mineral-based oils. Which would have the highest
VI? Which would have the lowest pour point?
CORRECT ANSWER
Paraffinic has the highest VI. Naphthenic has the lowest pour point.
Question 2
What unit of measure is used with flash point and pour point?
CORRECT ANSWER
Temperature in degrees Celsius
Question 3
Is the specific gravity of a mineral oil typically higher or lower than synthetic lubricants?
CORRECT ANSWER
Lower
Question 4
Which has a higher VI, a PAO or a solvent-refined (Group 1) mineral or oil?
CORRECT ANSWER
1
, PAO
Question 5
When and oil oxidizes, how does its viscosity typically change?
CORRECT ANSWER
It goes up
Question 6
In the SAE crankcase viscosity classification 0W-30, what does the W stand for?
CORRECT ANSWER
Winter
Question 7
Of the following motor oil's, which are oil is best suited for coldstart conditions?
SAE 15W-50
SAE 40
SAE 20
SAE 0W-30
CORRECT ANSWER
SAE 0W-30
Question 8
2
,When a SAE 20 is blended with an SAE 40, will that resulted viscosity be closer to SAE 30 or
SAE 60?
CORRECT ANSWER
SAE 30
Question 9
Name four possible benefits of using synthetic base oil as a lubricant.
CORRECT ANSWER
Better thermal stability, high VI, lower pour point, natural detergent (some cases), fire
resistant (some cases).
Question 10
Name the synthetic base oil that is widely used as crankcase oil and is mixable with
mineral oil.
CORRECT ANSWER
Polyalphaolefin (PAO)
Question 11
Name three fluids that are used as fire resistant hydraulic fluid.
CORRECT ANSWER
Phosphate Estar, water glycol, oil-water emulsions.
Question 12
What types of synthetics are at risk for water-induced degradation called hydrolysis?
3
, CORRECT ANSWER
Esters such as phosphate Esther, polyol ester, and dibasic acid ester
Question 13
What is a common cause of seal swell or seal shrinkage?
CORRECT ANSWER
Incompatibility with base oils and/or additive.
Question 14
What does API stand for?
CORRECT ANSWER
American Petroleum Institute
Question 15
What does ASTM stand for?
CORRECT ANSWER
American Society for Testing and Materials
Question 16
Which of the following would be considered a white oil?
Group III hydrocracked mineral oil
Group IV PAO synthetic
CORRECT ANSWER
4
