Auxiliary Machinery. Test 14

If oil is found in the boiler water, what action would You take other than isolating the leak?

Dose with coagulent.
Do nothing.
Blow down the boiler.
Dose with coagulent and blow down the boiler.

Correct start up procedure of an oil fired boiler is that the air fan is running for some time, before oil is supplied and ignition occurs. What is the reason for this?

To allow the heavy fan to reach normal operation speed before load is put to the boiler.
For safety reasons, to ensure that all explosive atmosphere inside the boiler is removed.
To ensure enough air to ignite the fuel.
To allow the funnel and air system to cool down by the air before heating is supplied.

What is the purpose of an observation tank in a boiler feed system?

To monitor chloride level.
To check condensate returns for oil.
For adding chemicals into the boiler water.
To monitor the water colour.

For a low pressure boiler, after testing the water cloride level, it is found to be 500 PPM, what action would You take?

Blow down boiler and check condenser for leakage.
Increase dosage.
Do nothing.
Decrease dosage.

Review Answers

Auxiliary Machinery. Test 14

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