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Important Facts: Quiz on Safety Valve II 7 MCQs with Explanations

Safety Valve / Blowdown System Piping Quiz

1. Free Draining Inlet Piping in Safety Valve piping system

According to safety valve/blowdown system piping guidelines, what is recommended for the inlet piping to the pressure safety valve?

2. Discharge Piping Elevation

How high above the highest platform should discharge piping from pressure safety valves on inert gas or steam systems terminate?

3. Safety Valve Discharge to Flare System

What is the recommended configuration for safety valve discharge piping that relieves into a flare system?

4. Location of Pressure Relief Valves (PSV)

Where should pressure relief valves relieving to a closed flare header be located?

5. Inlet Line Size and Safety Valve Inlet Size

What is recommended when the inlet line size is higher than the safety valve inlet size?

6. Weep Hole for Relief Valve Discharge

What is the purpose of a weep hole in relief valve discharge piping for steam, air, or other non-flammable vapor or gas?

7. Liquid-Phase Blow Down System Piping

What is the requirement for liquid-phase blow down system piping connected to a closed system?

8. Pockets in Flare Header and Blow Down System

According to safety valve/blowdown system piping guidelines, what is prohibited?

9. Relief Valve Discharge to Atmosphere

What considerations should be taken when the relief valve is discharging to atmosphere?

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