What safety device opens more slowly and with less volume?

A) Safety valve
B) Relief valve
C) Globe valve
D) Valve actuator


Answer: B
Explanation: A) Incorrect. A safety valve valves open more quickly, release more volume, and generally have larger outlets than relief valves because gases are highly compressible.
B) Correct. A relief valve opens more slowly and with less volume than safety valves because liquids are virtually noncompressible.
C) Incorrect. A relief valve opens more slowly and with less volume than safety valves because liquids are virtually noncompressible.
D) Incorrect. A relief valve opens more slowly and with less volume than safety valves because liquids are virtually noncompressible.

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