Question 470Motor Plants - Assistant Engineer
70% to passWhat could cause the bypass valve in a full-flow lubrication system to open?
AClogged filter element
BBypass valve setting is too high
CCheck valve stuck open
DFuel dilution of the lubricant
AI Explanation
The correct answer is A) Clogged filter element. In a full-flow lubrication system, the bypass valve is designed to open when the filter element becomes clogged, allowing oil to bypass the filter and continue flowing to the engine components. This prevents a complete loss of lubrication if the filter becomes restricted. The other options (B, C, D) would not directly cause the bypass valve to open in a full-flow system.
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