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.

The anti-freeze should have ______specific heat capacity to be compared to the specific heat capacity of the coolant.

A. zero
B. average
C. low
D. high
Answer» E.
2.

The boiling point of the coolant should be ______

A. low
B. high
C. medium
D. none of the above
Answer» C. medium
3.

The abbreviation of SCA is ______

A. supplemental Coolant Additive
B. super Cooling Additive
C. standard Coolant Additive
D. strategic Chemical Additive
Answer» B. super Cooling Additive
4.

The coolant used in heavy-duty engines should be______

A. green in color
B. fully formulated
C. concentrated
D. blue
Answer» C. concentrated
5.

In a 50% concentration of ethylene glycol (by volume) lowers the freezing point of water to ______Degree Centigrade.

A. -30
B. -50
C. -35
D. -37
Answer» E.
6.

The boiling point of ethylene glycol used in the coolant is ______Degree Centigrade

A. 290
B. 195
C. 200
D. 300
Answer» C. 200
7.

The coolant is made up of three components they are ______

A. water, anti-freezer and SCA s
B. water, fuel, and silicates
C. water, buffers and SCA s
D. water, SCA s and defoamers
Answer» B. water, fuel, and silicates
8.

The pH range of Coolant is ______

A. equal to or Greater than 7
B. 0
C. 0-5
D. 3-6
Answer» B. 0
9.

______ Meter is used to measure the Glycol and water ratio present in the coolant?

A. hydrometer
B. refractometer
C. galvanometer
D. voltmeter
Answer» C. galvanometer
10.

Carboxylates are added in the Coolant to prevent from ______

A. freezing
B. condensation
C. evaporation
D. corrosion
Answer» E.
11.

The qualities of the Anti-freezer must have these Qualities ______

A. average Viscosity
B. no corrosive property
C. must be Miscible
D. all of the above
Answer» E.
12.

The ratio of Ethylene glycol and Water in the coolant is ______

A. 50:50
B. 10:90
C. 30:70
D. 20:80
Answer» B. 10:90
13.

The additives which are added to lower the Freezing point of the coolant is ______

A. anti- Knocking Agent
B. temperature controller
C. anti freezer
D. isomers
Answer» D. isomers