Suppose the main propulsion diesel engines...

Question 1 / 2066636eef28f7522a1c520333

Question 1 of 2066636eef28f7522a1c520333

Suppose the main propulsion diesel engines on your river pushboat are fitted with pressure-compensated governors as shown in the illustration. What function does the engine lube oil pressure connection provide? Illustration MO-0156

Back

Question 1 of 20

66636eef28f7522a1c520333

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Trace the line labeled Engine Lube Oil Pressure in the illustration and identify every component it actually touches or controls. • Consider how a pressure‑compensated governor works: what has to be compensated for, and does that require an alarm/shutdown circuit or a change in governor force balance? • Compare the source of hydraulic power for the power cylinder with the source of the engine lube oil pressure line—are they the same system or separate?

💭 Think About

• Does the engine lube oil pressure line appear to feed into the governor’s working hydraulic system (power piston / power cylinder), or only into a small diaphragm and spring arrangement? • If the lube oil pressure dropped to zero, what physical movement would occur in the diaphragm/spring assembly it is connected to, and what governor function would that change? • Look for electrical contacts or shut‑down solenoids that are operated by something other than the lube oil pressure diaphragm—what does that suggest about the purpose of the lube oil pressure connection itself?

✅ Before You Answer

• Verify exactly where the lube oil pressure passage terminates in the drawing (diaphragm, valve, power piston, etc.). • Check whether the alarm switch contacts or shutdown solenoid are mechanically linked to the lube oil pressure diaphragm, or if they are actuated from another part of the governor. • Confirm which fluid actually supplies hydraulic power to the power cylinder in the diagram—governor oil from the internal pump, or engine lube oil pressure.

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed

Question 1 of 20

It is used as a governor lubricant and as a hydraulic power medium for the power cylinder.

It is used solely for the purpose of achieving engine shutdown on low engine lube oil pressure.

It is used solely for the purpose of activating an alarm on low engine lube oil pressure.

It is used for both activating an alarm and achieving engine shutdown on low engine lube oil pressure.

Loading interactive features...

Question 1 / 2066636eef28f7522a1c520333

Question 1 of 2066636eef28f7522a1c520333

Back

Question 1 of 20

66636eef28f7522a1c520333

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed