The output pressure of a diesel engine lube...

Question 1 / 205eccefa2bacbc34ba4d47939

Question 1 of 205eccefa2bacbc34ba4d47939

The output pressure of a diesel engine lube oil pump is regulated by a/an __________.

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Question 1 of 20

5eccefa2bacbc34ba4d47939

The output pressure of a diesel engine lube oil pump is regulated by a/an __________.

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🔍 Key Concepts

• Pressure control vs. flow control in lubrication systems • How positive displacement pumps behave when discharge is restricted • Common method used on engines to protect piping and maintain set pressure

💭 Think About

• Which device will automatically open and recirculate oil if discharge pressure gets too high? • Which option actually controls pressure, not just flow rate or pump speed? • If a downstream line suddenly plugs, which component prevents damage to the pump and system?

✅ Before You Answer

• Identify which choice is specifically designed as a pressure limiting device. • Eliminate any option that mainly controls flow quantity instead of system pressure. • Consider which component is normally mounted right at or near the pump discharge on diesel engines.

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Question 1 of 20

The output pressure of a diesel engine lube oil pump is regulated by a/an __________.

relief valve

metering valve

variable speed pump drive

orifice in the lube oil header

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