Question

technician a says that a running compression test determines the ability of the engine to move air in and out. technician b says that a relative compression test uses the current draw of the starter while cranking to determine relative engine compression. who is correct? select one: a. technician a b. technician b c. both a and b d. neither a nor b

Explanation:

• A running compression test checks the engine's ability to move air in and out.
• A relative compression test uses starter current draw while cranking to determine relative engine compression.

Answer:

c. Both A and B