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SPECIAL ENGINEER BOILER EXAM 2 LATEST
VERSIONS 2024 (VERSION A AND B) ACTUAL EXAM
COMPLETE 200 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS )
|ALREADY GRADED A
SPECIAL ENGINEER BOILER EXAM VERSION A
How many way can heat be transferred? - ANSWER- Three (Conduction -- Convection -- Radiation)
How may types of low pressure are there? - ANSWER- Three
What controls the starting ans stopping of the burner by sending the temperature of the water in a hot water boiler? - ANSWER- Aqua Stat
When a hydrostatic test of a boiler exceeds the maximum allowed working pressure each safety valve, if left attached to
the boiler, should: - ANSWER- Have its valve disc held to its
seat by means of testing clamp or "gag"
Heat can be transferred in three ways and they are: - ANSWER-
Conduction --Convection - Radiation
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The first sequence in the series of automatic burner control is: -
ANSWER- Purging
Can a low water low water condition i a hot water heating type boiler? - ANSWER- Yes, for numerous reasons
Other than a safety relieve valve what other safety device should be installed on a hot water heating boiler? - ANSWER- Low water cut off
Each boiler in a battery (pipe together sharing the same common
header) must have: - ANSWER- A main stem stop
what removes air from a hot water boiler system? - ANSWER- Air Control
In a stem boiler system, the unit that turns be burner on and off
based on steam pressure is the: - ANSWER- Pressure Control
If water in the gauge is not visible because of failure of the feed water supply, what should be done? - ANSWER- Shut off the fuel to the burner and secure the boiler.
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What conditions are necessary to cause a furnace explosion? - ANSWER- Accumulation of unburned fuel, oxygen and an ignition source
The LWCO should be tested: - ANSWER- Daily
Gauge pressure plus 14.7 psi is called what? - ANSWER- Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a
temperature of 212 degrees Fahrenheit is defined as: -
ANSWER- One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as
- ANSWER- Chattering
Furnace explosions are caused by a buildup of combustible gases, or vapors in the combustion chamber, what is the term used to remedy this condition? - ANSWER- Purging
Why is a pigtail or siphon required in steam pressure gauge lines? - ANSWER- to protect the gauge from a high temperature.
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In a stem boiler system, what is the term used for replacing the water that has been lost by blowing down the boiler through leaks in the system? - ANSWER- A make up water
On steam boiler system, why are bottom blow down valves installed at the lowest point of the waterside of boilers? - ANSWER- To remove sludge and sediment.
Boiler heating is defining as : - ANSWER- Water on one side
hot gases on the other side.
In a fire tube boiler, the water - ANSWER- Surrounds the tubes
When the bottom blow down valves are used on a steam boiler, what valve located closet to the boiler shell? - ANSWER- The quick opening valve
What is the function of an automatic city water feeder on a low pressure boiler? - ANSWER- To control water to the feed water tank
The purpose of a safety valve on a steam boiler is to: -
ANSWER- To prevent the boiler from exceeding its MAWP
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