Which of the following statements are true?
A. For the protection of employees, grounds should be placed at the location of the work in question or between the work location and the source of energy.
B. Workers must not be trained in emergency procedures and first aid for power transmissions.
C. Workers are allowed in an energized substation without the permission of proper authorities.
D. Underground workers do not need to tell the workers above ground where they are located.
A
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Describe the food requirements of largemouth bass, bluegill, and channel catfish
What will be an ideal response?
Which range of the electromagnetic spectrum is less susceptible to interference from sources of visible light?
A. Ultraviolet B. Gamma light C. Infrared D. Yellow Light
Find vs(t) in the circuit of Fig. 9.56 if the current ix through the 1-? resistor is 8 sin 200t A.
 FIGURE 1.png)
Which of the following statements is TRUE about the economizer?
A) The economizer provides more cooled liquid refrigerant to the cooler than do systems without an economizer. B) The economizer acts as a control valve and separates the liquid cooled and warmed refrigerant. C) The economizer cools the liquid refrigerant but does not affect the volume of available liquid refrigerant. D) The economizer is directly connected to the compressor, so liquid refrigerant that flashes is returned directly to the compressor.