Nearly one-half of all collisions occur at railroad crossings equipped with properly functioning automatic warning devices.
Answer the following statement true (T) or false (F)
True
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Most preinsulated chilled water pipe systems consist of the pipe carrying the fluid, insulation, and an outer shell of ______.
a. mineral wool b. PVC or fiberglass-reinforced plastic c. cellulose d. polyurethane foam
The Wagner Act of 1935 proved to be a trailblazing law that
A. gave labor the legal right to organize and bargain collectively. B. established the NRA. C. established the Social Security system. D. authorized the Public Works Administration (PWA). E. established a national minimum wage law.
A coolant leak will show as what color?
A) Orange B) Green C) Red D) Any of the above, depending on the type of coolant
A true statement concerning solid versus stranded conductors is _____.
a. the wire diameters are the same in both types b. the same size stripping tool may be used for both c. there is no difference in the two types d. the diameters are different