What is the differences between CI & SI Engines.

Answers were Sorted based on User's Feedback



What is the differences between CI & SI Engines...

Answer / sanjeevi

Spark Ignition Engine
SI engines are high speed engines.
SI engines have low thermal efficiency
SI engine works on otto cycle.
Constant volume cycle.

Compression Ignition Engine
CI engines are low speed engines.
CI engines have high thermal efficiency
CI engine works on diesel cycle.

Is This Answer Correct ?    15 Yes 1 No

What is the differences between CI & SI Engines...

Answer / brajesh kumar

SI stands for spark ignition .which is generally happened in gasoline(petrol engine).
CI(compression ignition).which generally happened in heavy engine.due to which differ in compression ratio.

Is This Answer Correct ?    1 Yes 1 No

What is the differences between CI & SI Engines...

Answer / dev

Simply said
Fuel used in SI engine is Petrol (gasoline)
Fuel used in CI engine is Diesel

Is This Answer Correct ?    1 Yes 1 No

What is the differences between CI & SI Engines...

Answer / hari

simply SI engines are works on otto cycle (during suction stroke Air-Fuel mixture enters into the combustion chamber )

CI engines are works on diesel cycle(during suction stroke only Air enters into the combustion chamber as a working fluid)

this answer is enough

Is This Answer Correct ?    0 Yes 1 No

Post New Answer

More Mechanical Engineering Interview Questions

How do you measure the moment of inertia?

0 Answers  


Crankcase oil mist detector

0 Answers   RRB,


What are the symptoms of broke piston ring?

0 Answers   RRB,


What if the formula to calculate the CFM in airconditioning

1 Answers  


which mechanism is used in automobile gearing system

9 Answers   Bosch, NTPC, TATA,






When we are C Check servicing the DG why we are changing strip sealing.

0 Answers  


Hello Friends I had my ONGC test today,but it was very bad.But I would give certain suggestions so that u may not face he problem which i had. Be thorough with Electrical Technology.Generators.motors stators etc.There are 5 questions on that. There were also good no.of questions from Hydraulic machine and Production technology. Then 3 from Strength of materials.And remember the dimensional quantities.

0 Answers   ONGC, TATA,


WHY DO DEAD BODIES SAIL ON WATER WHERE AS A HUMAN BEING GET DROWNED?

1 Answers  


what is the dome assembly

0 Answers   Om Engineering,


What device installed in the F.O. system when excess oil return to drain tank?

1 Answers   RRB,


what is 5 element level controller using in boiler.

1 Answers  


How to decide the capacity of air compressor in an industry. What are the factors taken into consideration while selecting the capacity?.

1 Answers   DAE,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5084)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16631)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1094)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)