Boiler Post Startup Inspection Quiz
15 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What should be visually checked to ensure complete combustion in a boiler?

  • Circulating pumps
  • Flame (correct)
  • Auxiliary system checks
  • Heating system checks

What should be monitored to ensure the hot water system circulating pump is operating within the expected range?

  • Stuffing boxes
  • Clean water flow to seals
  • Mechanical seals
  • Pump discharge pressure, suction pressure, and differential pressure (correct)

Which color flame indicates complete combustion in a typical natural gas flame?

  • Orange
  • Black
  • Blue (correct)
  • Bright yellow

What should never be present on the tips of a light fuel oil (number 2 light oil) flame?

<p>Black (B)</p> Signup and view all the answers

What should circulating pumps have adequate flow of to their seals for cooling, sealing, and lubrication?

<p>Clean water (D)</p> Signup and view all the answers

What should be done to prevent high pressure in a hot water boiler?

<p>Maintain the normal boiler operating pressure at 25% or 69 kPa (10 psi) less than the safety relief valve setting (D)</p> Signup and view all the answers

What should be monitored to determine when hot water boiler surfaces require cleaning?

<p>Stack temperature (C)</p> Signup and view all the answers

Why should the maximum operating temperature of hot water boiler water not exceed 120°C?

<p>To avoid accelerating corrosion and meet the heating needs of the system (C)</p> Signup and view all the answers

What is a critical step in steam boiler operation related to water level maintenance?

<p>Ensuring that water level is maintained within range in the boiler (B)</p> Signup and view all the answers

What should be visually checked in a boiler flame?

<p>Black tips or smokiness of the flame (D)</p> Signup and view all the answers

What is the purpose of the pressure differential required for safety valves?

<p>To prevent the boiler pressure from exceeding the maximum allowable working pressure (D)</p> Signup and view all the answers

How should the high-pressure cut-off be set for power boilers?

<p>No greater than the lowest safety valve set point minus safety valve blowdown (B)</p> Signup and view all the answers

What should be observed once the boiler has been fired?

<p>The steam pressure reaches the desired set point and does not increase further (B)</p> Signup and view all the answers

What does rising stack temperatures at a given firing rate indicate?

<p>Heat transfer surfaces are becoming dirty (B)</p> Signup and view all the answers

When should the stack temperature be monitored and recorded?

<p>Once the boiler has completely warmed up and is at normal operating pressure (A)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser