Which of the following should be observed when withdrawing cylinder contents?
I. Leave the cylinder cap in place until you attach a regulator or reducing valve.
II. Follow all safety precautions.
III. Do not force any threaded connections.
IV. Open cylinder valves slowly.
A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV
Question 2
Which of the following should be observed when storing cylinders?
I. Post the names of gases being stored.
II. Keep empty and full cylinders separate.
III. Use chains to secure the cylinders to the wall.
IV. Do not store flammable substances with the cylinders.
A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV
Cutaway diagram of a four cylinder gasoline engine
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