Las dos maneras de variar la velocidad en un motor de CC en derivación es ajustar la tensión y la corriente en el devanado de campo o el/la
a. reostato.
b. armadura.
c. controlador.
d. estátor.
b. armadura.
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Oils with a higher viscosity rating should be used in colder temperatures.
Answer the following statement true (T) or false (F)
_______ are installed as close to the pump as possible so that components can be easily removed from the system.
a. Caps b. Tees c. Elbows d. Unions
A can of food with a domed top is a sign of food spoilage and should not be
opened.
Indicate whether the statement is true or false.Which of the following statements is correct?
a. Electronic defrost controls use logic to determine the need for a defrost cycle. b. Mechanical defrost controls are significantly cheaper than electronic models. c. A defrost cycle starts as soon as the coil temperature is below the setpoint. d. Mechanical defrost controls base defrost cycles on time alone.