Equipment consisting of busbars mounted inside an enclosure that provides a means of tapping the service-entrance conductors is called a _____.
a. wireway
b. switchgear
c. busway
d. metering cabinet
c. busway
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A fixed-plate air-to-air heat exchanger used in an ERV unit _____.
a. pre-cools ventilation air in the winter b. transfers sensible heat only c. pre-cools ventilation air in the summer d. transfers latent heat only
Program the hole locations of the part drawing in the accompanying figure. The location dimensions given in the table are taken from drawings before programming for CNC. The origin (0, 0) used for programming is shown on the drawing. Use the hole location dimensions in the table to write program hole locations. Write the program hole locations (coordinates) in table form using a) absolute positioning and b) incremental positioning What will be an ideal response?
Machining symbols show where material is to be removed.
Answer the following statement true (T) or false (F)
A voltage regulator experiences a 12 ?V change in output voltage when its input voltage changes by 6 V. The line regulation for the circuit is
A) 12 ?V/V B) 6 ?V/V C) 2 ?V/V D) 0 V