question_answer

Consider the following statements regarding the advantages of fuel injection over carburetion in S.I. engines:

1. Higher power output and increased volumetric efficiency.

2. Simple and inexpensive injection equipment.

3. Longer life of injection equipment.

4. Less knocking and reduced tendency for back-fire.

Select the correct answer using the codes given below:

Codes:

A) 1, 2 and 3                     

B) 1, 2 and 4

C) 2 and 3            

D) 1 and 4