Both the cooling and heating thermostat are classified as __________ controls. Such controls __________ and __________ their contacts during the normal operation of the equipment.
What will be an ideal response?
operational, open, close
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The style or type of eye protection that is used must be able to provide sufficient protection from potential hazards. If a technician is going to be performing tasks such as chipping, grinding, sawing, drilling or chiseling, there is the danger of becoming injured by flying fragments, chips, filings, sand or dirt. In this case, the individual should be wearing eye protection that is equipped with __________. For severe exposure, a __________should be worn. If a technician is using an acetylene torch, the dangers associated with molten metal and flying particles are faced. In this case, __________ goggles are a good choice for eye protection, especially those equipped with tight-fitting __________.
What will be an ideal response?
What is the distance required between the welds as required by the symbol shown in Figure 3?
a. 2 b. 4 c. 8 d. 10
Footlights, border lights, and proscenium sidelights should be arranged so that no branch circuit supplying such equipment carries more than a ____-ampere load.
A. 15 B. 20 C. 25 D. 50
The maximum material condition of a rod that is 1.25 ±.02 is:
A. 1.23 B. 1.24 C. 1.25 D. 1.27