The two types of aerial lifts are _____.
a. boom and scissors
b. vertical and lateral
c. articulated and boom
d. centrifugal and diaphragm
a. boom and scissors
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In a schedule, _____ float does not affect early start or later activities.
a. free b. path c. negative d. independent
Which of the following is the main purpose of the steam condensate collection system?
a. Directs steam trap condensate to the plant sewage system b. Traps humidity condensing on pipes to protect insulation c. Uses steam condensate to cool heat exchangers d. Gathers condensed steam to be returned to the boiler
The United States is fortunate compared to China because:
A) it has plentiful rainfall. B) the U.S. is more dependent on grain-fed animals. C) it has a relative excess of cropland compared to population. D) China's population has stabilized and the country is no longer growing.
Match the NEC article to its subject matter.
A. is devoted to electric heat and its unique requirements B. applies to motor-driven air conditioning and refrigeration systems as well as the branch circuits and controllers used in conjunction with this equipment C. specifies that appliances are not to have any exposed live parts. D. provides useful information regarding the safe and proper methods to be used when installing, maintaining and servicing electric motors and their associated components E. covers a wide range of topics regarding electrical boxes and conduit bodies that are used for electrical junctions, outlets and electrical devices