Boiler Operator Exam (Q’s & A’s) 100% Verified
What is the first thing a boiler operator must do when taking over a shift? -
Answer
Report to work 10 to 15 minutes early. Check the water level on all the boilers
on the
line by blowing down the gauge glass, water column, and low water fuel cutoff.
What are different ways of getting water into a boiler? - Answer are the vacuum
pump,
feedwater pump, automatic city water makeup feeder, and hand-operated city
water
makeup valve.
What is the function of a pressure control? - Answer The pressure control is
sensitive to
pressure and controls the boiler operating range. It starts and stops the burner
on steam
pressure demand.
How are safety valves tested? - Answer tested by hand or by pressure.
,Boiler Operator Exam (Q’s & A’s) 100% Verified
How often should safety valves be tested? - Answer 2. low pressure boilers
should be
tested by hand once every 30 days the boiler is in operation. The ASME code
also
recommends the testing of safety valves under pressure once a year, preferably
before
the start of the heating season. In addition to the ASME code, safety valves
should be
tested according to recommendations of the local boiler inspector.
6.What is the function of a low water fuel cutoff? - Answer to shut the burner off
to
protect the boiler heating surface from becoming overheated due to low water
in the
boiler.
How is a low water fuel cutoff tested? - Answer The two methods of testing a
low water
, Boiler Operator Exam (Q’s & A’s) 100% Verified
fuel cutoff are by hand or by an evaporation test.
When should a safety valve pop on a low pressure steam boiler? - Answer A
safety
valve must pop (open) whenever pressure exceeds the safety valve setting to
prevent
the boiler from exceeding its MAWP.
what pressure should a safety valve pop on a low pressure steam boiler? -
Answer The
safety valves on low pressure steam boilers are set to pop open at 15 psi
what does
"purging the furnace'' mean ? - Answer when the burner fan blows air into the
furnace to
remove any mixture of gases or fumes of a combustible nature that might cause
a
furnace explosion
What is the most important valve on a boiler? - Answer safety valve
What is the first thing a boiler operator must do when taking over a shift? -
Answer
Report to work 10 to 15 minutes early. Check the water level on all the boilers
on the
line by blowing down the gauge glass, water column, and low water fuel cutoff.
What are different ways of getting water into a boiler? - Answer are the vacuum
pump,
feedwater pump, automatic city water makeup feeder, and hand-operated city
water
makeup valve.
What is the function of a pressure control? - Answer The pressure control is
sensitive to
pressure and controls the boiler operating range. It starts and stops the burner
on steam
pressure demand.
How are safety valves tested? - Answer tested by hand or by pressure.
,Boiler Operator Exam (Q’s & A’s) 100% Verified
How often should safety valves be tested? - Answer 2. low pressure boilers
should be
tested by hand once every 30 days the boiler is in operation. The ASME code
also
recommends the testing of safety valves under pressure once a year, preferably
before
the start of the heating season. In addition to the ASME code, safety valves
should be
tested according to recommendations of the local boiler inspector.
6.What is the function of a low water fuel cutoff? - Answer to shut the burner off
to
protect the boiler heating surface from becoming overheated due to low water
in the
boiler.
How is a low water fuel cutoff tested? - Answer The two methods of testing a
low water
, Boiler Operator Exam (Q’s & A’s) 100% Verified
fuel cutoff are by hand or by an evaporation test.
When should a safety valve pop on a low pressure steam boiler? - Answer A
safety
valve must pop (open) whenever pressure exceeds the safety valve setting to
prevent
the boiler from exceeding its MAWP.
what pressure should a safety valve pop on a low pressure steam boiler? -
Answer The
safety valves on low pressure steam boilers are set to pop open at 15 psi
what does
"purging the furnace'' mean ? - Answer when the burner fan blows air into the
furnace to
remove any mixture of gases or fumes of a combustible nature that might cause
a
furnace explosion
What is the most important valve on a boiler? - Answer safety valve
