Los sujetadores para cable presentan una eficiencia del _____.
a. 70%
b. 80%
c. 90%
d. 100%
b. 80%
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Answer the following statement(s) true (T) or false (F)
1. The wound rotor motor has a lower starting torque per amp of starting current than any other type of three phase motor. 2. The wound rotor motor can be started in multiple steps to provide smooth acceleration from 0 RPM to maximum RPM. 3. Small wound rotor motors are often controlled manually by a three-pole make-before-break rotary switch. 4. Starting circuits generally employ resistors of a lower wattage value than circuits that are intended for speed control. 5. Capacitive reactance is proportional to the rotor frequency.
A wood member weighs 10 lb. It is now fully dried, i.e., until it contains no water. Its dry weight is 8 lb. What was the moisture content (MC) in its original, moist condition?
What will be an ideal response?
Because the blower in the air handler (furnace) draws the air down the return air duct system, the return air duct is the same size as the supply duct system.
Answer the following statement true (T) or false (F)
The ____ consist of the refrigerator, the freezer, and cabinet space for food and utensils.
A. foyer B. storage areas C. nook D. dining room