Which of the following has the same combustion as HCCI (Homogeneous Charge Compression Ignition) engine?(a) SI engine(b) CI engine(c) Hybrid of both SI and CI engine(d) Wankel engineThis question was addressed to me in an international level competition.I need to ask this question from Nonconventional Engines topic in section Nonconventional Engines, Conventional Energy Sources & Cooling System of Automobile Engineering

Which of the following has the same combustion as HCCI (Homogeneous Ch

1.	Which of the following has the same combustion as HCCI (Homogeneous Charge Compression Ignition) engine?(a) SI engine(b) CI engine(c) Hybrid of both SI and CI engine(d) Wankel engineThis question was addressed to me in an international level competition.I need to ask this question from Nonconventional Engines topic in section Nonconventional Engines, Conventional Energy Sources & Cooling System of Automobile Engineering
Answer» Correct choice is (c) Hybrid of both SI and CI engine To explain: HCCI engine has the same COMBUSTION as a hybrid of both SI and CI engine. HCCI is a FORM of IC engine in which well-mixed fuel and AIR are compressed to the auto-ignition temperature of the fuel.

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