Question

what is a full form of SI andCI

Answer 1

◖HI◗ ◖MATE◗ 

$<b><u><large><marquee>SI stands for SPARK IGNITION...$

$<marquee>CI stands for COMPRESSION IGNITION...$

Answer 2

ⓗⓔⓨ ⓕⓡⓘⓔⓝⓓ ⓗⓔⓡⓔ ⓘⓢ ⓨⓞⓤⓡ ⓐⓝⓢⓦⓔⓡ


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⊙ SI = systeme internationale


⊙ CI = circle inspector



$hope \: it \: helps \: you$



@ Prabhudutt......