The cubic capacity of a four-stroke over-square spark-ignition engine is 245cc. the over-square ratio is (1.1) the clearance volume is 27.2cc. caleulate the bore, stroke, and compression ratio of the engine.

Bore = 7 cm

stroke = 6.36 cm

compression ratio = 10.007

Explanation:

Given data:

Cubic capacity of the engine, V = 245 cc

Clearance volume, v = 27.2 cc

over square-ratio = 1.1

thus,

D/L = 1.1

where,

D is the bore

L is the stroke

Now,

V =

or

V =

on substituting the values, we have

245 =  

or

D = 7.00 cm

Now,

we have

D/L = 1.1

thus,

L = D/1.1

L = 7/1.1

or

L= 6.36 cm

Now,

the compression ratio is given as:

on substituting the values, we get

or

Compression ratio = 10.007

answer:

explanation:

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answer:

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explanation: