When the pressure pointer of a closed system reads lower than the altitude pointer the
a) system is full of water
b) expansion tank level will be high
c) boiler is being over-fired
d) gage is faulty
e) system requires water
Answer: E
When the pressure pointer of a closed system reads lower than the altitude pointer the
a) system is full of water
b) expansion tank level will be high
c) boiler is being over-fired
d) gage is faulty
e) system requires water