When the burner shuts off, the pump output pressure drops below 80 psig. This indicates
A) That the oil filter is clogged B) That the oil pump has a leaky shutoff
C) Correct operation D) That the oil nozzle needs changing
B
Trades & Technology
You might also like to view...
What is the density of air in grams per cubic meter at 1 atm and 200oC? Assume the molecular weight of air is 28.967 grams/mole.
What will be an ideal response?
Trades & Technology
A residence with 120V and 240V loads is likely to be served by a(n) _____.
a. single-phase transformer with two secondaries b. autotransformer c. three-phase transformer d. buck-and-boost transformer
Trades & Technology
How many 8 7/8” long pieces can be cut from a 46” long piece of angle iron?
What will be an ideal response?
Trades & Technology
Plants are autotrophs because:
A) they transpire. B) they can be self-fertile. C) they can adapt to climate changes. D) they photosynthesize.
Trades & Technology