Children’s Health | Steam System Troubleshooting 101

Children’s Health | Steam System Troubleshooting 101

Children’s Health | Steam System Troubleshooting 101

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Question 1 of 8

1. Question
Which of the following could be the cause of excessive smoke leaving the boiler stack?
- fouled burner
- dirty flame sensor
- excessive combustion air
- excessive scale deposits
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Question 2 of 8

2. Question
Which of the following would cause the flue gas temperatures to rise in a hot water boiler?
- scale build up on heat transfer surfaces
- inadequate combustion air
- low water
- not enough load
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Question 3 of 8

3. Question
Which of the following is responsible for excessive corrosion in a steam trap?
- accumulation of condensate
- steam trap orifice sized too large
- leaks in the system
- excessive water treatment chemicals
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Question 4 of 8

4. Question
Which of the following is the most common problem causing low water levels in the boiler?
- low water control float
- high steam demand
- steam pressure controller
- steam traps plugged
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Question 5 of 8

5. Question
After checking low water controller, which of the following can also prevent make-up water entering the boiler?
- feedwater piping strainers
- inadequate return condensate
- deaerator tank is cold
- steam traps plugged
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Question 6 of 8

6. Question
Which of the following is the problem when there is water hammering in the return condensate piping?
- steam trap failed open
- steam trap failed closed
- cold return condensate piping
- excessive air in condensate return piping
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Question 7 of 8

7. Question
An oiled fired boiler has a very narrow flame, which of the following is the most likely issue?
- too much combustion air
- too much fuel
- flame sensor is dirty
- fuel filter is plugged
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Question 8 of 8

8. Question
The safety valve fails to operate, which of the following is the issue?
- scale build up
- shut off valve to safety valve is closed
- shut off valve to safety valve is open
- reseating pressure is set too high
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