answers Newest RATED A+ 2025/2026
The basic func on of an automa c feedwater regulator on a boiler is to: - maintain proper water
level
If a one square inch column of water is one foot tall, how much does it weigh? - .433 lbs
Where is the flame sensing device located on a boiler? - front
Cracking of the boiler metal can be caused by: - caus c embri&lement
How would you test the opera on of the flame failure device? - by shu(ng off the fuel supply
valve
Where are the combus ble gases located in a water tube boiler? - flowing around the tubes
What are you preven ng by increasing the pressure within a cold boiler gradually? - thermal
shock
When performing a hydrosta c test, the pressure on the boiler should not exceed: - 10 psi
above 1.5 mes the MAWP
A boiler operator log must be maintained in a boiler room containing over: - 100 horsepower
If a flame sensing device no ces that there is a flame failure, what device does it secure? - fuel
solenoid valve
, What type of dra1 has a fan between the boiler and the chimney? - induced
What is used to control alkalinity? - caus c soda
What is the best way to decide the blowdown frequency for a boiler? - boiler water analysis
What device is used to obtain sufficient sta c head for the returning condensate in a two-pipe
gravity return system? - return trap
What is the maximum temperature a hot water boiler can be to qualify in New Jersey as low
pressure? - 250 degrees
What type of boiler is an HRT (horizontal return tube)? - fire-tube
What is the purge cycle in a boiler meant to do? - remove combus ble gases
Which valve is allowed between the boiler and safety valve? - no valve
Which is a common type of feedwater regulator in a low pressure plant? - pressure sensi ve
device
When open, an OS&Y (outside stem & yoke) valve offers ----- to the flow of steam. - no
resistance
What sec on of the ASME code do hot water hea ng boilers fall under? - Sec on IV