In a four stroke cycle petrol engine, , the compression – McqOptions

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1.	In a four stroke cycle petrol engine, , the compression
A.	starts at 40° after bottom dead centre and ends at 30° before top dead centre
B.	starts at 40° before bottom dead centre and ends at 30° after bottom dead centre
C.	starts at bottom dead centre and ends at top dead centre
D.	may start and end anywhere
Answer» B. starts at 40° before bottom dead centre and ends at 30° after bottom dead centre

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