Answered: Which of the following is true about a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Which of the following is true about a sequence valve? Sequence valves:

A. Allow a check valve to override its normal operation

B. Controls the rate of air flow in a pneumatic system

C. Direct air flow to a different area in a circuit when actuated by pressure level

D. Open and close the intet and outlet ports in a pneumatic system

Expert Solution

Step 1

A sequence valve is a normally closed, pressure-operated poppet or spool valve that opens at a predetermined, programmable pressure.

Others are pilot-operated, while some designs have a spring that acts directly on the spool or poppet. A sequence valve will always have an exterior drain outlet to prevent leakage oil from getting trapped.

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