What happens if the steam trap at the outlet of a heating coil is stuck in the closed position?
A) Steam flow through the coil will be excessive and air temperatures will be too high.
B) Steam flow through the coil will stop and the air temperature will be too low.
C) The boiler will stop producing steam.
D) The steam coil will flood with condensate water.
B
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Electronic air cleaners generally have ____.
A. ionizing sections B. charcoal filters C. prefilters D. All of the above.
On a package air-conditioning system, which refrigerant lines must be field-installed?
A. Discharge and suction. B. Liquid and suction. C. Discharge and liquid. D. No lines need to be field-installed.
Which one of the following was NOT among Wilson's Fourteen Points, upon which he based America's idealistic foreign policy in World War I?
A. reduction of armaments B. an international guarantee of freedom of religion C. abolition of secret treaties D. an international organization to guarantee collective security E. The principle of national self-determination for subject peoples
Which of these rules applies to diesel fuel and gasoline storage?