SPECIAL BOILER UPDATED EXAM SCRIPT QUESTIONS AND
ANSWERS GUARANTEE A+
✔✔On steam boiler system, why are bottom blow down valves installed at the lowest
point of the waterside of boilers? - ✔✔To remove sludge and sediment.
✔✔Boiler heating is defining as : - ✔✔Water on one side hot gases on the other side.
✔✔In a fire tube boiler, the water - ✔✔Surrounds the tubes
✔✔When the bottom blow down valves are used on a steam boiler, what valve located
closet to the boiler shell? - ✔✔The quick opening valve
✔✔What is the function of an automatic city water feeder on a low pressure boiler? -
✔✔To control water to the feed water tank
✔✔The purpose of a safety valve on a steam boiler is to: - ✔✔To prevent the boiler from
exceeding its MAWP
✔✔The control designed as a safety back up, should the operating fail is: - ✔✔A high
limit control
✔✔The capacity of a safety valve used on a steam boiler is measure in: - ✔✔pounds of
steam that can be discharge in one hour.
✔✔How does a pressuretrol attach to the steam space of boiler control the burner
operation? - ✔✔On pressure decrease - starts the burner.
✔✔What action should an operating engineer take if a defect is discovered in a boiler
requiring repairs not of a routine nature? - ✔✔Notify the boiler inspector.
✔✔Boiler are considered low pressure when? - ✔✔Steam Boiler are not over 15 psi and
liquid boiler are not over psi 160 and 250 deg. F
✔✔What boiler license required is required for operating a boiler as a shift engineer in a
plant having 3 boiler each 1660 sq. ft. of heating surface? - ✔✔Second
✔✔The maximum temperature to be carried on a low pressure hot water boiler is: -
✔✔Less than 250 f
✔✔The popping pressure of a safety relief valve on a low pressure hot water heating
boiler cannot exceed: - ✔✔160 psi
, ✔✔The bottom blow down line on a steam boiler system is located at the: - ✔✔Lowest
Point on the waterside of a steam boiler.
✔✔For the purpose of rating boiler horsepower for engineer license classifications only.
How many sq. ft. of heating surface shall be considered equivalent to one boiler
horsepower for conventional boiler? - ✔✔10 sq. ft.
✔✔What is recommended for boilers that will be out of service a long time is a
possibility of freezing? - ✔✔A dry lay up.
✔✔The rapid burning of fuel oxygen that the results in the release of heat is called? -
✔✔Combustion
✔✔On a steam boiler what is used to reduce the amount of movement of the water so
the operator can get accurate reading of the water level in the gauge glass? - ✔✔Water
Column
✔✔After repair work is done on the boiler what test is used to check for leaks? -
✔✔Hydro static test
✔✔How can you tell if the sight / gauge glass isn't working properly? - ✔✔Water move
up and down slowly
✔✔What is the best way to test the low water fuel cut off? - ✔✔An evaporating test-if
the water goes out the glasses before the burner shuts down secure the fire
immediately.
✔✔After new boiler is installed, but before it is put into operation, this test must be
performed and witnessed by State Boiler Inspector? - ✔✔Hydro static Test
✔✔Tri- Cocks or gauge are sued on steam boiler yo indicate? - ✔✔The true water level
inside the boiler.
✔✔On steam or hot boiler, the safety valve or safety relieve valve could be tested by? -
✔✔By lifting the lever on the valve or raising the pressure until they operate.
✔✔Before starting a steam or hot boiler, you should be check for? - ✔✔Water in the
boiler.
✔✔The dial on a pressure gauge used on a low pressure boiler should be graduated to:
- ✔✔One and One half to Two times the maximum allowable working pressure.
ANSWERS GUARANTEE A+
✔✔On steam boiler system, why are bottom blow down valves installed at the lowest
point of the waterside of boilers? - ✔✔To remove sludge and sediment.
✔✔Boiler heating is defining as : - ✔✔Water on one side hot gases on the other side.
✔✔In a fire tube boiler, the water - ✔✔Surrounds the tubes
✔✔When the bottom blow down valves are used on a steam boiler, what valve located
closet to the boiler shell? - ✔✔The quick opening valve
✔✔What is the function of an automatic city water feeder on a low pressure boiler? -
✔✔To control water to the feed water tank
✔✔The purpose of a safety valve on a steam boiler is to: - ✔✔To prevent the boiler from
exceeding its MAWP
✔✔The control designed as a safety back up, should the operating fail is: - ✔✔A high
limit control
✔✔The capacity of a safety valve used on a steam boiler is measure in: - ✔✔pounds of
steam that can be discharge in one hour.
✔✔How does a pressuretrol attach to the steam space of boiler control the burner
operation? - ✔✔On pressure decrease - starts the burner.
✔✔What action should an operating engineer take if a defect is discovered in a boiler
requiring repairs not of a routine nature? - ✔✔Notify the boiler inspector.
✔✔Boiler are considered low pressure when? - ✔✔Steam Boiler are not over 15 psi and
liquid boiler are not over psi 160 and 250 deg. F
✔✔What boiler license required is required for operating a boiler as a shift engineer in a
plant having 3 boiler each 1660 sq. ft. of heating surface? - ✔✔Second
✔✔The maximum temperature to be carried on a low pressure hot water boiler is: -
✔✔Less than 250 f
✔✔The popping pressure of a safety relief valve on a low pressure hot water heating
boiler cannot exceed: - ✔✔160 psi
, ✔✔The bottom blow down line on a steam boiler system is located at the: - ✔✔Lowest
Point on the waterside of a steam boiler.
✔✔For the purpose of rating boiler horsepower for engineer license classifications only.
How many sq. ft. of heating surface shall be considered equivalent to one boiler
horsepower for conventional boiler? - ✔✔10 sq. ft.
✔✔What is recommended for boilers that will be out of service a long time is a
possibility of freezing? - ✔✔A dry lay up.
✔✔The rapid burning of fuel oxygen that the results in the release of heat is called? -
✔✔Combustion
✔✔On a steam boiler what is used to reduce the amount of movement of the water so
the operator can get accurate reading of the water level in the gauge glass? - ✔✔Water
Column
✔✔After repair work is done on the boiler what test is used to check for leaks? -
✔✔Hydro static test
✔✔How can you tell if the sight / gauge glass isn't working properly? - ✔✔Water move
up and down slowly
✔✔What is the best way to test the low water fuel cut off? - ✔✔An evaporating test-if
the water goes out the glasses before the burner shuts down secure the fire
immediately.
✔✔After new boiler is installed, but before it is put into operation, this test must be
performed and witnessed by State Boiler Inspector? - ✔✔Hydro static Test
✔✔Tri- Cocks or gauge are sued on steam boiler yo indicate? - ✔✔The true water level
inside the boiler.
✔✔On steam or hot boiler, the safety valve or safety relieve valve could be tested by? -
✔✔By lifting the lever on the valve or raising the pressure until they operate.
✔✔Before starting a steam or hot boiler, you should be check for? - ✔✔Water in the
boiler.
✔✔The dial on a pressure gauge used on a low pressure boiler should be graduated to:
- ✔✔One and One half to Two times the maximum allowable working pressure.
