REFER 2 18 19

At 100 psi or greater, what boiler blowdown valve configuration is acceptable?

• Two quick opening
• Two slow opening (Code states two slow acceptable, but in any case, must have at least one slow opening)
• One quick, one blow down
• One slow, one blow down

2 element feedwater regulator, how many sources of information does it respond to?

• 1.0
• 2.0
• 3.0
• 4.0

Which is NOT a result of deficiency of air supply?

• High heat loss
• Unburned fuel
• Efficiency decreases
• Insufficient mix of air and fuel

Scale builds up on tubes. What’s a result?

• Scale deposits increase
• Pressure worse in boiler than heat
• Heat in boiler worse
• Water chemistry

Something about 100 psi and blowdown valve configuration

• Two quick closing
• Two slow opening
• One quick, one blow down
• One slow, one blow down

Which is NOT true of a safety or relief valve?

• Relief drains by gravity
• Safety connected directly on boiler opening
• Relief connected directly on boiler opening
• Isolation on either side of safety or relief for maintenance

If there was no water, where would there be an air leak?

• Suction side
• Discharge side
• Bearing hosing
• Mechanical seal

Caustic embrittlement

• Stress and foaming
• Stress and priming
• Stress and high alkalinity

Maybe something about a welding inspection??

• Inspector
• Insurance carrier
• National boiler and pressure agency (National Board of Boiler & Pressure Vessel Inspectors)
• National board of labor

What is the MAWP of a boiler with a tube sheet made of malleable iron?

• 150.0
• 160.0
• 170.0
• 180.0