单选题In a full flow type lube oil system, the bypass relief valve will lift due to （）Aa clogged filter elementBexcessive lube oil pump discharge pressureCexcessive lube oil flowDexcessively hot lube oil
单选题
In a full flow type lube oil system, the bypass relief valve will lift due to （）
A
a clogged filter element
B
excessive lube oil pump discharge pressure
C
excessive lube oil flow
D
excessively hot lube oil
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