USCG USCG Motor
Set 1 • Question #25 of 382
Launch Interactive Practice Room In comparison to exhaust valves, intake valves of diesel engines may be fabricated from low-alloy steels because____.
A
the beveled edges of the intake valves provide for self-centering during seating
B
intake valves are less affected by the corrosive action of exhaust gases
✓ Correct Answer
C
intake valves utilize stellite-coated valve seat inserts which reduce wear
D
the effective volume of air passing through intake valves is less than the effective volume of air passing through exhaust valves
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'In comparison to exhaust valves, intake valves of diesel engines may be fabricated from low-alloy steels because', the correct operational principle is: 'intake valves are less affected by the corrosive action of exhaust gases'.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...