Mechanical lubricators for diesel engine...

Question 1 / 270705eccefa1bacbc34ba4d474ba

Question 1 of 270705eccefa1bacbc34ba4d474ba

Mechanical lubricators for diesel engine cylinders are usually small reciprocating pumps which are __________.

Question 1 of 27070

Mechanical lubricators for diesel engine cylinders are usually small reciprocating pumps which are __________.

🔍 Key Concepts

• Purpose of mechanical cylinder lubricators on diesel engines • How lubrication needs change with engine load and speed • Difference between fixed and adjustable lubrication systems

💭 Think About

• Think about whether cylinder lubrication demand is the same at idle, part load, and full load, or if it changes. • Consider how a small reciprocating pump could be controlled to avoid both under‑lubrication and wasteful over‑lubrication. • Ask yourself which option would best protect the engine over a full operating day, not just at start or at peak load.

✅ Before You Answer

• Which options describe continuous vs. occasional operation? • Which choice allows lubrication rate to match changing engine conditions? • Eliminate any option that would obviously risk scuffing or excessive wear during normal running.

Question 1 of 27070

Mechanical lubricators for diesel engine cylinders are usually small reciprocating pumps which are __________.

operated manually once each hour

operated until the engine has started

placed into operation only at maximum load

adjustable to meet lubrication requirements

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