A room in which volatile flammable disinfecting agents are stored is considered a Class I, Division 1 location _____.
a. 5 feet below the ceiling and includes the area above a drop ceiling
b. 5 feet below the ceiling to the floor
c. 5 feet above the floor
d. from floor to ceiling
d. from floor to ceiling
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President Wilson insisted that he would hold ____ to "strict accountability" for ____.
A. Britain; repaying the loans made to it by American bankers B. Britain; the disruption of American trade with the European continent C. Germany; ship damage and destruction to neutral countries other than the United States D. Germany; fair treatment of civilians in Belgium E. Germany; the loss of American ships and American lives to submarine warfare
Gypsum is the most widely used chemical for the reclamation of sodic soils. What characteristic likely accounts for this popularity?
A) Gypsum reacts with Na+ ions to form insoluble Na2SO4. B) Gypsum is abundant and low priced. C) Gypsum provides sulfates that attract Na+ from the exchange complex. D) Gypsum forms sulfuric acid that helps reduce the soil pH. E) Gypsum is quite insoluble so it remains in the soil for long periods of time.
An AC system is being checked for proper cooling.
An AC system is being checked for proper cooling. Technician A says to turn on the AC system and operate the engine at 1500 to 2000 RPM for 5 to 10 minutes before checking the outlet temperature. Technician B says that the temperature can be checked as soon as 1500 RPM is reached. Which technician is correct? A.Technician A only B.Technician B only C.Both technicians D.Neither technician
Almost two-thirds of all railroad crossings in the United States are active crossings.
Answer the following statement true (T) or false (F)