SECTION-2

 


AUTOMOBILE ENGINEERING OBJECTIVE/ MULTIPLE CHOICE QUESTIONS

 


Most Most Important Automobile Engineering MCQ  PDF Download


 

Q26. Most commonly used lubricants in automobiles are the

(a) animal oils                             (b) mineral oils

(c) vegetable oils                        (d) synthetic oils

 

Ans: (b) mineral oils

 


Q27. The lubrication system in all modern cars has

 (a) gear type pump              (b) rotor type pump

(c) oil filter                             (d) oil cooler

 

Ans: (c) oil filter

 


Q28. The process of changing the molecular structure of the straight-run gasolines is called

(a) cracking                       (b) reforming

(c) refining                        (d) none of the above

 

Ans: (b) reforming

 


Q29. The octane number of iso-octane is

(a) 0                                   (b) 10

(c) 80                                 (d) 100

 

Ans: (d) 100

 


Q30. The use of tetraethyl lead in gasolines is being gradually discontinued because

(a) it is costly

(b) it has bad odour

(c) it blocks the catalytic converter

(d) it decreases the engine efficiency

 

Ans: (c) it blocks the catalytic converter

 


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DEAR READERS IF YOU FIND ANY ERROR/TYPING MISTAKE PLEASE LET ME KNOW IN THE COMMENT SECTION OR E-MAIL: [email protected]

 

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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