Boiler License Test Questions With Correct Answers!!

Natural draft is produced by? -ANSWER difference in temperature outside chimney from inside chimney If a draft fan is located between the boiler and chimney, what type of draft system is it? -ANSWER Induced draft boiler fittings are important for: -ANSWER safety only thermostatic traps remove air and cool condensate: true or false -ANSWER True The main purpose of testing a safety value is to: -ANSWER make sure valve operates freely when testing a safety valve by hand, you must: -ANSWER have at least 75% of popping pressure If a license is expired, how long can it be expired before it is null and void? -ANSWER 3 years What is the purpose of a check valve? -ANSWER prevent reverse flow, allows flow in one direction What is a solenoid valve? -ANSWER An automatic gas shutoff valve What # oil needs to be preheated with what piece of equipment? -ANSWER #6 oil with a heater What type of test is a hardness test? -ANSWER A titration test Boiler License Test Questions With Correct Answers!!