Lower boiler efficiency results from...
Question 1 of 27070
Q
Lower boiler efficiency results from carrying too much excess air because __________.
A
it increases the volume and temperature of the furnace gas leaving the stack
B
it varies the degree of deposits on heat absorbing surfaces
C
the flame temperatures are lower
D
it decreases the volatility of the fuel
Question 1 / 27070
5eccefa0bacbc34ba4d46e84
Question 1 of 27070
5eccefa0bacbc34ba4d46e84
Lower boiler efficiency results from carrying too much excess air because __________.
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A
it increases the volume and temperature of the furnace gas leaving the stack
B
it varies the degree of deposits on heat absorbing surfaces
C
the flame temperatures are lower
D
it decreases the volatility of the fuel
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Question 1 of 27070
5eccefa0bacbc34ba4d46e84
Q
Lower boiler efficiency results from carrying too much excess air because __________.
A
it increases the volume and temperature of the furnace gas leaving the stack
B
it varies the degree of deposits on heat absorbing surfaces
C
the flame temperatures are lower
D
it decreases the volatility of the fuel
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