Which of the listed items should be secured...

Question 1 / 205eccefa3bacbc34ba4d47d6f

Question 1 of 205eccefa3bacbc34ba4d47d6f

Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?

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Question 1 of 20

5eccefa3bacbc34ba4d47d6f

Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?

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🔍 Key Concepts

• Solenoid-operated air start valve: what two types of energy are normally involved in its operation? • Difference between control power (what actuates the valve) and the medium being controlled (what flows through the valve). • Lock-out/tag-out principles: what must be isolated to prevent unintended starting of an engine?

💭 Think About

• Ask yourself: what actually makes the solenoid move (what kind of power), and what is the working fluid this valve controls? • Which combination of items, if left connected, could still allow the engine to crank or start unexpectedly while you are working on the valve? • Look for the answer choice that removes both the actuating power to the solenoid and the source of starting energy to the engine.

✅ Before You Answer

• Identify which choice removes electrical power to the solenoid coil or control system. • Identify which choice removes the starting medium that turns the engine (consider what an air start system uses). • Eliminate any option that does not isolate both the control power and the starting energy source from the air start valve.

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Question 1 of 20

Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?

Hydraulic switch and engage jacking gear

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Question 1 / 205eccefa3bacbc34ba4d47d6f

Question 1 of 205eccefa3bacbc34ba4d47d6f

Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?

Back

Question 1 of 20

5eccefa3bacbc34ba4d47d6f

Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?

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