La finalidad principal de los dinamómetros es:
a. trazar los conductores.
b. monitorizar la tensión del halado.
c. monitorizar la longitud de los tramos de cable.
d. verificar el aislamiento del cable.
b. monitorizar la tensión del halado.
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Generally, a Midwest USA office building will experience annual energy bills (gas + electric) in what range?
A) $5.50 - $10.00 per ft2. B) $1.50 - $2.50 per ft2. C) $3.50 - $5.00 per ft2.
Except for Type MC, all multiconductor cables operating at or above 600V must be separated by a solid divider from cables operating under _____.
a. 240V b. 480V c. 600V d. 1,000V
The device installed to prevent liquid refrigerant from returning to the compressor crankcase during system operation is the _____.
a. filter-drier b. evaporator pressure regulator c. crankcase heater d. suction line accumulator
A heating system includes all of the following parts except a ___.
A. heater core B. ventilation system C. receiver/dryer D. Distribution plenum