Question

Technician A says that the compression stroke is also called the expansion stroke. Technician B says that the

compression ratio compares the cylinder volume at BDC to TDC. Who is correct?
a. Technician A
b. Technician B
c. Both Technician A and Technician B
d. Neither Technician A nor Technician B

Answer 1

d. Neither Technician A nor Technician B. The compression stroke is not called the expansion stroke, and the compression ratio compares the cylinder volume at TDC to BDC.