Question

unlike the cranking compression test, which checks the sealing capability of the cylinder, the running compression test checks the engines ability to move air _____ the cylinder. select one: a. into and out of b. around inside c. both a and b d. neither a nor b

Explanation:

A running compression test assesses the engine's capacity to move air in and out of the cylinder (intake and exhaust processes). Moving air around inside the cylinder is not the main focus of this test. So, only option a is correct.

Answer:

a. Into and out of