Explore topic-wise MCQs in Automotive Engine Auxiliary Systems.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Auxiliary Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

______ is used to find the viscosity of the lubricating oil.

A. loss due to evaporation
B. viscometer
C. moisture test
D. None
Answer» B. viscometer
2.

Specific gravity is determined by ______ test.

A. Archimedes principle
B. acid value test
C. emulsification test
D. insoluble residue test
Answer» B. acid value test
3.

The time required for the constituents to separate from the emulsion is known as ______

A. saponification number
B. emulsion number
C. Archimedes principle
D. acid value test
Answer» C. Archimedes principle
4.

The tendency to de-emulsify quantitatively is determined by ______test.

A. hydrometer
B. A.S.T.M emulsion
C. centistokes
D. centipoises
Answer» C. centistokes
5.

Insoluble residue test is used to determine______

A. additives
B. insoluble particles
C. pour point
D. fire point
Answer» C. pour point
6.

Emulsion is a mixture of ______and ______when mixed thoroughly.

A. lubricating oil and acid
B. water and acid
C. lubricating oil and water
D. lubricating oil and base
Answer» D. lubricating oil and base
7.

One liter of normal potassium hydroxide contains ______grams of potassium hydroxide.

A. 65
B. 67
C. 56
D. 59
Answer» D. 59
8.

Determination of saponification value helps in the detection of ______

A. acid
B. base
C. salt
D. adulteration
Answer» E.
9.

Saponification value of an oil is the number of milligrams of potassium hydroxide required to saponify completely ______ grams of the oil.

A. 10
B. 1
C. 1000
D. 100
Answer» C. 1000
10.

The acid value of an oil is the number of milligrams of ______ used to neutralize 1gram of oil.

A. sodium hydroxide
B. potassium hydroxide
C. sulfur dioxide
D. ester
Answer» C. sulfur dioxide
11.

______ is the temperature at which lubricating oil ceases to flow when cooled at standard condition.

A. flashpoint
B. fire point
C. moisture test
D. pour point
Answer» E.
12.

______ apparatus is used in the determination of loss due to Evaporation of the lubricating oil.

A. able’s
B. engler
C. arch butt
D. hydrometer
Answer» D. hydrometer
13.

______ apparatus is used in the determination of Flash and Fire point of a lubricating oil.

A. saybolt
B. engler
C. able’s
D. redwood
Answer» D. redwood