High pressure boiler questions with correct answers

ASME requires low pressure Steam boiler to be pressure tested how often CORRECT ANSWER-Annually Which of these should be used on a electrical fire CORRECT ANSWER-Class C On a low pressure boiler how often should you check the safety valve CORRECT ANSWER-10 days What is the purpose of the lower part of the water column CORRECT ANSWER-Collects settlements in foreign material If certain grade of fuel are not preheated properly they may cause CORRECT ANSWER-Poor combustion and high fuel consuption Induced draft fan, forced fan in the fuel valve are inteelocked because CORRECT ANSWER-Generally the forced fan will not start until the induced fan starts What is the purpose of a manual reset CORRECT ANSWER-It secures fuel in the flame scanner A cast iron boiler is stacked so it is CORRECT ANSWER-An HRT boiler How often do we check the flame scanner CORRECT ANSWER-Once a week