if there is self ignition in petro engines then why is the need of spark plug in

if there is self ignition in petro engines then why is the need of spark plug in petrol engine ???

Question Posted / amna irshad

1 Answers
2796 Views
Velammal Engineering College, I also Faced
E-Mail Answers

if there is self ignition in petro engines then why is the need of spark plug in petrol engine ???..

mainely reason low of the compression ratio of si engine and need to spark plug produse to spark but ci engine high compression ratio due to high ratio tem.and pressure increase and flame easily produce but si engine need to spark pluge....

Is This Answer Correct ?

9 Yes

1 No

Post New Answer

More Mechanical Engineering Interview Questions

in a cylinder filled with any gas,if we attach two pressure gauges one at bottom and one is at top. will both pressure gauges have same reading???

6 Answers

Why preferred Production than Drilling?

0 Answers ONGC,

16 inch = 1 ______________?

5 Answers

What is diffrence between star & delta connnection in practical situation in submersible pump?

0 Answers

What type of metal is used in a propeller

1 Answers RRB,

What is meant by direct heat exchanger [or] open heat exchanger?

0 Answers

If anybody have the ref. design book of the 3 point cylindrical rolling with sheet thickness of 2.3 mm & 67 mm internal diameter legth of 80 mm

0 Answers

What is mean by reconditioning & retrofitting of machine tool please brief.

0 Answers

how to solved the crictical problems in d. g. set

0 Answers

what is breather i a diesel engine. state its function.

6 Answers

what is the difference between impact force and sudden force?

4 Answers

What is the critical speed. Compare the critical speed of hollw shaft and solid shaft.

0 Answers Cummins,

For more Mechanical Engineering Interview Questions Click Here