Which of the operating characteristics...

Question 1 / 2066636eef28f7522a1c520009

Question 1 of 2066636eef28f7522a1c520009

Which of the operating characteristics listed is correct concerning the blower shown in the illustration? Illustration MO-0082

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Question 1 of 20

66636eef28f7522a1c520009

Which of the operating characteristics listed is correct concerning the blower shown in the illustration? Illustration MO-0082

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🔍 Key Concepts

• Identify the type of blower shown in the illustration (think: positive displacement vs. turbocharger). • Consider how a rotary-lobe / Roots-type blower moves air with each revolution. • Recall whether the lobes actually touch or if there is a small clearance between them.

💭 Think About

• Look at how many pockets of air are trapped and moved per revolution. If speed doubles, what happens to the number of pockets delivered per minute? • Compare this blower to an exhaust-gas-driven turbocharger. Which of the choices would better describe a turbocharger rather than a mechanically driven lobe blower? • If the lobes were in constant contact, what problems might that cause in terms of wear, lubrication, and sealing?

✅ Before You Answer

• Verify whether the blower is mechanically driven from the engine or by exhaust gas energy. • Decide if air flow in a positive displacement blower changes in the same direction as speed or in the opposite direction. • Confirm from the illustration whether there is clearance between lobes or if they are designed to rub together.

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Question 1 of 20

Which of the operating characteristics listed is correct concerning the blower shown in the illustration? Illustration MO-0082

Each of the lobes are in constant contact with each other.

Air delivery is inversely proportional to engine speed.

Air delivery is approximately proportional to engine speed.

The blower is driven by engine exhaust gases.

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Question 1 / 2066636eef28f7522a1c520009

Question 1 of 2066636eef28f7522a1c520009

Which of the operating characteristics listed is correct concerning the blower shown in the illustration? Illustration MO-0082

Back

Question 1 of 20

66636eef28f7522a1c520009

Which of the operating characteristics listed is correct concerning the blower shown in the illustration? Illustration MO-0082

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