SECTION-4


AUTOMOBILE ENGINEERING OBJECTIVE/ MULTIPLE CHOICE QUESTIONS

 


Most Most Important Automobile Engineering MCQ  PDF Download


Q71. Maximum allowable hydrocarbons in the car emission are approximately

(a) 10 ppm

(b) 100 ppm

(c) 1000 ppm

(d) 5000 ppm

 

Ans: (b) 100 ppm

 


Q72 CO in the exhaust of a car engine should not be more than

 (a) 0.5%

(b) 2 %

(c) 5%

(d) 10%

 

Ans:  (a) 0.5%

 


Q73. In ease of engines backfiring, the PCV valve

 (a) opens maximum

(b) closes

(c) disintegrates

(d) sticks in the centre position

 

 

Ans: (b) closes

 


Q74. The position of the PCV valve plunger at idle speed is

(a) towards the valve outlet side

(d) near the valve centre

(c) towards the crankcase

(b) towards the valve inlet side

 

Ans: (a) towards the valve outlet side

 


Q75. The function of charcoal granules is to absorb

(a) water vapour

(b) carbon monoxide

(c) petrol vapour

(d) liquid petrol

 

Ans: (c) petrol vapour

 


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Read More Sections of Automobile Engineering

Each section contains maximum 80 Questions. To practice more questions visit other sections.

 Automobile Engineering- Section-1

Automobile Engineering- Section-2

Automobile Engineering- Section-3

Automobile Engineering- Section-4

Automobile Engineering- Section-5

Automobile Engineering- Section-6

 


Most Most Important Automobile Engineering MCQ  PDF Download


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