BLACK SEAL- HIGH PRESSURE FLASH CARDS QUESTIONS WITH COMPLETE SOLUTIONS
GRADED A+
What safety device cuts off fuel supply in the event of loss of ignition? - (answer)Flame scanner-Fire eye
A flame failure cutout automatically: - (answer)Breaks the cycle on a flame-out
Where do you find a cyclone separator? - (answer)Steam drum
What chemicals will prevent oxidation of drum and tubes? - (answer)Sodium sulfite and Hydrazine
Failure of what device causes a furnace explosion? - (answer)Fan failure or purge failure
What would one standard atmosphere at 14.7 psi be in feet of water? - (answer)34 feet
How often do you test a low water cut-off? - (answer)Daily, by blowing down the column
A flue gas analysis is done to: - (answer)Determine combustion efficiency
How often are boilers inspected? - (answer)Annually
What auxiliary would improve boiler efficiency? - (answer)Economizer
If a baffle breaks, what happens? - (answer)Increase of furnace gases & stack temperature
Why are baffles used in steam drums of water tube boilers? - (answer)To direct the flow of gasses
What device measures draft? - (answer)Manometer
A manometer is calibrated in: - (answer)Inches of water
, BLACK SEAL- HIGH PRESSURE FLASH CARDS QUESTIONS WITH COMPLETE SOLUTIONS
GRADED A+
What type of cycle is the simple power plant cycle? - (answer)The Rankine Cycle
What is required for complete combustion? - (answer)Mixture, atomization, temperature, time (MATT)
The main purpose of testing a safety valve is to: - (answer)Make sure valve operates freely
When testing a safety valve by hand, you must: - (answer)Have at least 75% of popping pressure
What is the absolute pressure of a 180 psi boiler? - (answer)194.7psia (add 14.7)
How many furnace volume air changes should occur during purge? - (answer)4
What valve must be between boiler and safety valve? - (answer)No valve
What is total force of Safety valve with a 2 1/2 inch disc at 30 pounds pressure? - (answer)2.5 × 2.5 ×
.7854 × 30= 147psi
How do you clean fire tube boilers? - (answer)Wire brushes
Water hammer can cause: - (answer)Steam pipe failure
Where do you find water in a surface condenser? - (answer)In the tubes
What is the fee for a three- year renewal? - (answer)$80.00
How is a surface condenser set up? - (answer)Water flows through tubes that are surrounded by steam
GRADED A+
What safety device cuts off fuel supply in the event of loss of ignition? - (answer)Flame scanner-Fire eye
A flame failure cutout automatically: - (answer)Breaks the cycle on a flame-out
Where do you find a cyclone separator? - (answer)Steam drum
What chemicals will prevent oxidation of drum and tubes? - (answer)Sodium sulfite and Hydrazine
Failure of what device causes a furnace explosion? - (answer)Fan failure or purge failure
What would one standard atmosphere at 14.7 psi be in feet of water? - (answer)34 feet
How often do you test a low water cut-off? - (answer)Daily, by blowing down the column
A flue gas analysis is done to: - (answer)Determine combustion efficiency
How often are boilers inspected? - (answer)Annually
What auxiliary would improve boiler efficiency? - (answer)Economizer
If a baffle breaks, what happens? - (answer)Increase of furnace gases & stack temperature
Why are baffles used in steam drums of water tube boilers? - (answer)To direct the flow of gasses
What device measures draft? - (answer)Manometer
A manometer is calibrated in: - (answer)Inches of water
, BLACK SEAL- HIGH PRESSURE FLASH CARDS QUESTIONS WITH COMPLETE SOLUTIONS
GRADED A+
What type of cycle is the simple power plant cycle? - (answer)The Rankine Cycle
What is required for complete combustion? - (answer)Mixture, atomization, temperature, time (MATT)
The main purpose of testing a safety valve is to: - (answer)Make sure valve operates freely
When testing a safety valve by hand, you must: - (answer)Have at least 75% of popping pressure
What is the absolute pressure of a 180 psi boiler? - (answer)194.7psia (add 14.7)
How many furnace volume air changes should occur during purge? - (answer)4
What valve must be between boiler and safety valve? - (answer)No valve
What is total force of Safety valve with a 2 1/2 inch disc at 30 pounds pressure? - (answer)2.5 × 2.5 ×
.7854 × 30= 147psi
How do you clean fire tube boilers? - (answer)Wire brushes
Water hammer can cause: - (answer)Steam pipe failure
Where do you find water in a surface condenser? - (answer)In the tubes
What is the fee for a three- year renewal? - (answer)$80.00
How is a surface condenser set up? - (answer)Water flows through tubes that are surrounded by steam
