La mejor descripción de polaridad es:
a. la dirección instantánea de la corriente en un momento específico.
b. la temperatura de las bobinas del transformador.
c. la capacidad de transportar corriente de los transformadores.
d. la resistencia interna de los transformadores.
a. la dirección instantánea de la corriente en un momento específico.
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Chain slings require a thorough periodic inspection at least _____.
a. once a year b. twice a year c. once every two years d. monthly
Technician A says that after refinishing a 450 valve seat, a 300 angle should be used to position the valve seat on the valve face. Technician B says that before a valve guide is repaired, the valve seat should always be ground. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Hydrolysis involves the splitting of water into its H+ and OH- components while hydration attaches intact water molecules to a compound
Indicate whether the statement is true or false
Technician A says that if a PCV valve rattles, then it is okay and does not need to be replaced. Technician B says that if a PCV valve does not rattle, it should be replaced. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician