DC motors are generally operated at or below normal speed.
Answer the following statement true (T) or false (F)
True
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____ exterior surfaces may be constructed using a finish coat of a Portland cement, lime, and sand mixture.
A. Glass-fiber B. Vinyl C. Stucco D. Aluminum
Si un terminal de cuña presenta una eficiencia del 80 % y la resistencia a la ruptura nominal del cable es de 10.000 libras (4.536 kg), el punto de falla del cable es _____.
a. 2,000 libras (917 kg) b. 7,500 libras (3.402 kg) c. 8,000 libras (3.629 kg) d. 10.000 libras (4.536 kg)
Grounded windings can be detected by measuring the resistance with a multimeter between:
A) The start winding and common terminal. B) The run winding and common terminal. C) The windings and the motor frame. D) The start winding and run winding.
If a 0.022 ?F, 0.022 ?F and 0.05 ?F capacitor are connected in series across a 25 V source, the voltage drop across the largest capacitor equals ________
A) 11.8 V B) 4.51 V C) 17.5 V D) 10.2 V