Assuming valve "A" is correctly aligned in...

Question 1 / 2066636eee28f7522a1c51e54c

Question 1 of 2066636eee28f7522a1c51e54c

Assuming valve "A" is correctly aligned in the no-flow position as shown with the system in operation, which of the following statements is true? Illustration GS-0049

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Question 1 of 20

66636eee28f7522a1c51e54c

Assuming valve "A" is correctly aligned in the no-flow position as shown with the system in operation, which of the following statements is true? Illustration GS-0049

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🔍 Key Concepts

• Fixed-displacement (fixed delivery) pump behavior when system flow is blocked • Role of an accumulator with an unloading/sequence valve in a hydraulic system • How pilot lines (dashed lines) control valves B, C, and D in the circuit

💭 Think About

• Trace the flow from the pump discharge with valve "A" in the no-flow (center) position: where can the oil actually go? • Look at which valve (B or D) is directly sensing system pressure and which one is controlled by another valve—what does that tell you about which opens first? • Consider what valve "C" is doing in this mode: is it being held open, held closed, or shifted by pressure from somewhere?

✅ Before You Answer

• Identify the only available flow path for pump output when the directional valve at "A" is centered as shown. • Determine which valve has the first pressure signal from the main line (B vs D) and which valve is downstream or dependent on the first. • Confirm whether the symbol at "C" shows the valve energized or de‑energized in the normal operating/no-flow condition.

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Question 1 of 20

Assuming valve "A" is correctly aligned in the no-flow position as shown with the system in operation, which of the following statements is true? Illustration GS-0049

The fixed delivery pump would be stopped automatically by a pressure switch.

Valve "D" would normally open before valve "B".

Valve "B" would be open before valve "D".

Valve "C" would be closed.

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Question 1 / 2066636eee28f7522a1c51e54c

Question 1 of 2066636eee28f7522a1c51e54c

Assuming valve "A" is correctly aligned in the no-flow position as shown with the system in operation, which of the following statements is true? Illustration GS-0049

Back

Question 1 of 20

66636eee28f7522a1c51e54c

Assuming valve "A" is correctly aligned in the no-flow position as shown with the system in operation, which of the following statements is true? Illustration GS-0049

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