A vacuum is initially established in the...

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Question 1 of 205eccef9cbacbc34ba4d45890

A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of __________.

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Question 1 of 20

5eccef9cbacbc34ba4d45890

A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of __________.

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🔍 Key Concepts

• Operation and purpose of low pressure evaporators in marine distillation systems • How air ejectors create and maintain vacuum in multi‑stage systems • Difference between single-stage and two-stage air ejector arrangements

💭 Think About

• Which component is typically used to remove non-condensable gases and air from the evaporator shell when starting up? • In a two‑effect (first and second stage) low pressure evaporator, is vacuum usually established separately in each stage or through a common device? • Think about which option would be most economical and mechanically simple for shipboard use.

✅ Before You Answer

• Compare how a condensate system works versus an air ejector—which is actually designed to pull vacuum on an evaporator? • Consider whether individual vacuum pumps are commonly used on modern ship evaporators or if another method is preferred. • For systems with more than one effect (stage), check whether a single or two‑stage ejector is normally used to draw down the entire system.

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Study

Question 1 of 205eccef9cbacbc34ba4d45890

A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of __________.

Back

Question 1 of 20

5eccef9cbacbc34ba4d45890

A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of __________.

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