When the thermostat calls for boiler operation, the relief valve dribbles water until the water reaches a stable temperature. Then the dribbles stop. What is the most likely cause of the problem?
What will be an ideal response?
The expansion tank is water logged. There is no air in the tank.
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OSHA stands for ____________________
Fill in the blank(s) with the appropriate word(s).
There are two general categories of fungicides—____________________ and ____________________
Fill in the blank(s) with correct word
Which statement is correct?
A) Dirt is most likely to be found near the bottom of the fuel tank. B) Throttle body injectors inject fuel below the throttle plate. C) Dirt is most likely to float on top of the fuel. D) Port fuel injectors inject fuel above the throttle plate.
The amount of water that air can hold depends on ____________________
A) Absolute pressure and temperature. B) Absolute pressure and dew point. C) The air temperature. D) Barometric pressure and evaporation.