Chapter 6 Flashcards
The gas burner safety isolation system is called a:
A) Flow safety system
B) Double block and bleed
C) Bock and bleed
D) Block and vent
B
High and low _________ shutdown switches are included in a gas burner safety system.
A) Gas pilot
B) Gas pressure
C) Gas flow
D) Gas temperature
B
Most gas burners have the fuel entering the combustion air steam:
A) Downward to the combustion air stream
B) Parallel to the combustion air stream
C) Upward to the combustion air stream
D) At right angles to the combustion air stream
D
To achieve lower NOX in a gas burner unit the flame temperature must be kept:
A) At the same as all the parts of the burner
B) At the same as the combustion air temperature
C) As high as possible
D) As low as possible
D
Above ground fuel oil storage tanks must be surrounded by a dyke sized to contain:
A) The full contents of the tank plus one third
B) Half the contents of the tank
C) The full contents of the tank
D) Twice the full contents of the tank
A
Oil in a burner must be:
A) Emulsified in the burner
B) Heated in the burner
C) Diffused in the burner
D) Atomized in the burner
D
One type of oil burner is a (an):
A) Diffuser
B) Pipe
C) Mechanical
D) Integral
C
Coal bunkers are sized to hold enough coal for:
A) 4 hours
B) 12 hours
C) 8 hours
D) 16 hours
B
Coal in storage has what average loss in heating valve in a year:
A) 2 %
B) 1 %
C) 3 %
D) 3 %
B
What is an advantage of a cyclone furnace?
A) Slag is reduced
B) Fly ash emission is reduced
C) CO2 is reduced
D) NOx is reduced
B
