Question

two techs are discussing a cylinder leakage test. technician a says that some leakage past the valves is normal. technician b says that some leakage past the piston rings is normal. who is correct? select one: a. technician a b. technician b c. both a and b d. neither a nor b

Explanation:

In a cylinder leakage test, some leakage past the valves (such as intake and exhaust valves) is normal due to factors like valve seating imperfections. Also, some leakage past the piston rings is normal as piston rings cannot create a 100% perfect seal in all operating conditions.

Answer:

C. Both A and B