Motor Oil Midterm Examination
Answer questions without looking back. This is a closed book exam. Base your answers on the information provided in these past chapters.
1- At normal operating temperature, 212 F, a straight 30 grade oil has a viscosity of around how many centiStokes?
A- 3
B- 6
C- 10
D- 20
E- 30
2- While racing at 95 F, mid-summer in Florida, which of these synthetic oils gives the best protection at 302 F oil temperature?
A- 0W-40
B- 5W-40
C- 10W-40
D- Straight 40 grade
E- They are all exactly the same
3- While starting up your car at 75 F, mid-winter in Florida, what is the approximate viscosity of a straight 10 (ten) grade motor oil?
A- 3 cSt
B- 6 cSt
C- 10 cSt
D- 20 cSt
E- 30 cSt or higher
4- The biggest problem with mineral based motor oils with long term use is:
A- Thinning
B- Thickening
C- Loss of VI (viscosity index) improvers
D- Both A and C
E- None of the above is correct
5- Which of the following mineral based motor oils are still too thick at a 75 F startup temperature?
A- 20 grade
B- 10 grade
C- 5 grade
D- All of the above
E- None are too thick
Answers to the Oil Midterm Exam
I feel these were all difficult questions. You would be doing well to get 3 correct.
1- At normal operating temperature, 212 F, a straight 30 grade oil has a viscosity of around how many centiStokes?
A- 3
B- 6
C- 10
D- 20
E- 30
The correct answer is C- 10 cSt.
2- While racing at 95 F, mid-summer in Florida, which of these synthetic oils gives the best protection at 302 F oil temperature?
A- 0W-40
B- 5W-40
C- 10W-40
D- Straight 40 grade
E- They are all exactly the same
The correct answer is E- They are all exactly the same.
3- While starting up your car at 75 F, mid-winter in Florida, what is the approximate viscosity of a straight 10 (ten) grade motor oil?
A- 3 cSt
B- 6 cSt
C- 10 cSt
D- 20 cSt
E- 30 cSt or higher
The correct answer is E- 30 cSt or higher.
4- The biggest problem with mineral based motor oils with long tern use is:
A- Thinning
B- Thickening
C- Loss of VI (viscosity index) improvers
D- Both A and C
E- None of the above is correct
The correct answer is B - Thickening
5- Which of the following mineral based motor oils are still too thick at a 75 F startup temperature?
A- 20 grade
B- 10 grade
C- 5 grade
D- All of the above
E- None are too thick
The correct answer is D - All of the above
Answer questions without looking back. This is a closed book exam. Base your answers on the information provided in these past chapters.
1- At normal operating temperature, 212 F, a straight 30 grade oil has a viscosity of around how many centiStokes?
A- 3
B- 6
C- 10
D- 20
E- 30
2- While racing at 95 F, mid-summer in Florida, which of these synthetic oils gives the best protection at 302 F oil temperature?
A- 0W-40
B- 5W-40
C- 10W-40
D- Straight 40 grade
E- They are all exactly the same
3- While starting up your car at 75 F, mid-winter in Florida, what is the approximate viscosity of a straight 10 (ten) grade motor oil?
A- 3 cSt
B- 6 cSt
C- 10 cSt
D- 20 cSt
E- 30 cSt or higher
4- The biggest problem with mineral based motor oils with long term use is:
A- Thinning
B- Thickening
C- Loss of VI (viscosity index) improvers
D- Both A and C
E- None of the above is correct
5- Which of the following mineral based motor oils are still too thick at a 75 F startup temperature?
A- 20 grade
B- 10 grade
C- 5 grade
D- All of the above
E- None are too thick
Answers to the Oil Midterm Exam
I feel these were all difficult questions. You would be doing well to get 3 correct.
1- At normal operating temperature, 212 F, a straight 30 grade oil has a viscosity of around how many centiStokes?
A- 3
B- 6
C- 10
D- 20
E- 30
The correct answer is C- 10 cSt.
2- While racing at 95 F, mid-summer in Florida, which of these synthetic oils gives the best protection at 302 F oil temperature?
A- 0W-40
B- 5W-40
C- 10W-40
D- Straight 40 grade
E- They are all exactly the same
The correct answer is E- They are all exactly the same.
3- While starting up your car at 75 F, mid-winter in Florida, what is the approximate viscosity of a straight 10 (ten) grade motor oil?
A- 3 cSt
B- 6 cSt
C- 10 cSt
D- 20 cSt
E- 30 cSt or higher
The correct answer is E- 30 cSt or higher.
4- The biggest problem with mineral based motor oils with long tern use is:
A- Thinning
B- Thickening
C- Loss of VI (viscosity index) improvers
D- Both A and C
E- None of the above is correct
The correct answer is B - Thickening
5- Which of the following mineral based motor oils are still too thick at a 75 F startup temperature?
A- 20 grade
B- 10 grade
C- 5 grade
D- All of the above
E- None are too thick
The correct answer is D - All of the above