The compressor in the ship service...

Question 1 / 205eccef9ebacbc34ba4d4616b

Question 1 of 205eccef9ebacbc34ba4d4616b

The compressor in the ship service refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

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Question 1 of 20

5eccef9ebacbc34ba4d4616b

The compressor in the ship service refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

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🔍 Key Concepts

• High pressure cutout switch operation and what condition it protects against • Effect of condenser cooling water flow on discharge (head) pressure • Typical symptoms of a system that is low on refrigerant vs. over-pressurized

💭 Think About

• When a compressor is short cycling on the high pressure control, what is happening to the discharge pressure right before each shutdown? What part of the system most directly controls that pressure? • Which of the listed faults would tend to make discharge pressure rise too high, and which would instead lower discharge pressure or cause a low-pressure trip? • Think about heat rejection: if the condenser cannot get rid of heat effectively, what happens to the refrigerant pressure on the high side?

✅ Before You Answer

• Confirm which problems would cause high head (discharge) pressure vs low head pressure • Check which fault would typically cause a trip on the low-pressure cutout instead of the high-pressure cutout • Consider the role of condenser cooling water flow in maintaining normal condensing pressure and temperature

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Question 1 of 20

The compressor in the ship service refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

discharge valves are leaking excessively

discharge valves are leaking slightly

condenser is getting insufficient cooling water flow

system is low on refrigerant

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Question 1 / 205eccef9ebacbc34ba4d4616b

Question 1 of 205eccef9ebacbc34ba4d4616b

The compressor in the ship service refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

Back

Question 1 of 20

5eccef9ebacbc34ba4d4616b

The compressor in the ship service refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

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