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Question

Consider the following statements regarding the C.I engine combustion chambers 

I.only partial combustion of fuel takes place in pre combustion chambers.

II.In swirl combustion chamber, swirl is generated by directing the flow of air during its entry to the cylinder

III.In swirl combustion chamber the swirl is proportional to the engine speed.

Select the correct option for True statements from the above

C.I batu ngu d{kks ds laca/ eas fuEu dFkukas ij fopkj dhft,

I. iwoZ ngu d{k eas bZa/u dk dsoy vkaf'kd ngu gh gksrk gS

II. lqHkaoj&ngu d{k eas flys.Mj eas izos'k ds le; ok;q ds izokg dks funsZf'kr dj Hkaoj mRiUu fd;k tkrk gS 

III. laHkaoj&ngu d{k eas Hkaoj batu pky ds lekuqikrh gksrk gS

mijksDr eas ls lR; dFkukas gsrq lgh fodYi pqfu;s

A.

I and II

B.

II and III

C.

I and III

D.

I, II and III

Answer ( Option C)

I and III

Solution

In  C.I. engine combustion chambers only partial  combustion of  fuel take place in pre combustion chambers. In swirl combustion chamber the swirl in proportional to the engine speed.

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