Which of the Following Are True Regarding a Direct-Acting Cylinder

question 2

Multiple Choice

Which of the following are true regarding a direct-acting cylinder valve?
I. It acts directly on the valve seat.
II. Turning the valve stem moves a diaphragm.
III. It is used on large cylinders (H or K) .
IV. It is used on small cylinders (E) .

• A) I and III
• B) I and IV
• C) II and III
• D) II and IV

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