Q. Compression ratio is the ratio of:

A
Stroke volume to clearance volume
B
Clearance volume to Stroke volume
C
Sum of stroke volume and clearance volume to clearance volume
D
Clearance volume to Sum of stroke volume and clearance volume
Solution:
  • The ratio of the maximum to minimum volume in the cylinder of an internal combustion engine.
  • The compression ratio is the ratio between the volume of the cylinder and combustion chamber in an internal combustion engine at their maximum and minimum values.
  • It’s a measure of how much the cylinder volume has been compressed.
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