USCG USCG Motor
Set 9 • Question #357 of 382
Launch Interactive Practice Room An important design characteristic of an explosion relief valve for a diesel engine is the ability to ______________.
A
open slowly to permit a gradual reduction of crankcase pressure
B
open quickly against crankcase pressure to prevent a possible implosion
C
close quickly in order to prevent an inrush of air
✓ Correct Answer
D
close slowly to permit proper seating of the valve disc and neoprene sealing surfaces
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'An important design characteristic of an explosion relief valve for a diesel engine is the ability to', the correct operational principle is: 'close quickly in order to prevent an inrush of air'.
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