Black Seal: Low Pressure, 1 of 3 NJ
Test Questions and Answers.
The basic function of an automatic feedwater regulator on a boiler is to: - Answer maintain
proper water level
If a one square inch column of water is one foot tall, how much does it weigh? - Answer .433
lbs
Where is the flame sensing device located on a boiler? - Answer front
Cracking of the boiler metal can be caused by: - Answer caustic embrittlement
How would you test the operation of the flame failure device? - Answer by shutting off the
fuel supply valve
Where are the combustible gases located in a water tube boiler? - Answer flowing around the
tubes
What are you preventing by increasing the pressure within a cold boiler gradually? - Answer
thermal shock
When performing a hydrostatic test, the pressure on the boiler should not exceed: - Answer
10 psi above 1.5 times the MAWP
A boiler operator log must be maintained in a boiler room containing over: - Answer 100
horsepower
If a flame sensing device notices that there is a flame failure, what device does it secure? -
Answer fuel solenoid valve
What type of draft has a fan between the boiler and the chimney? - Answer induced
What is used to control alkalinity? - Answer caustic soda
What is the best way to decide the blowdown frequency for a boiler? - Answer boiler water
analysis
Test Questions and Answers.
The basic function of an automatic feedwater regulator on a boiler is to: - Answer maintain
proper water level
If a one square inch column of water is one foot tall, how much does it weigh? - Answer .433
lbs
Where is the flame sensing device located on a boiler? - Answer front
Cracking of the boiler metal can be caused by: - Answer caustic embrittlement
How would you test the operation of the flame failure device? - Answer by shutting off the
fuel supply valve
Where are the combustible gases located in a water tube boiler? - Answer flowing around the
tubes
What are you preventing by increasing the pressure within a cold boiler gradually? - Answer
thermal shock
When performing a hydrostatic test, the pressure on the boiler should not exceed: - Answer
10 psi above 1.5 times the MAWP
A boiler operator log must be maintained in a boiler room containing over: - Answer 100
horsepower
If a flame sensing device notices that there is a flame failure, what device does it secure? -
Answer fuel solenoid valve
What type of draft has a fan between the boiler and the chimney? - Answer induced
What is used to control alkalinity? - Answer caustic soda
What is the best way to decide the blowdown frequency for a boiler? - Answer boiler water
analysis
