El tamaño excesivo para evitar disparos en falso NO es necesario si se tiene un:
a. fusible sin retardo de tiempo.
b. fusible de base Edison.
c. fusible de un elemento y base GE.
d. fusible de doble elemento con retardo de tiempo.
d. fusible de doble elemento con retardo de tiempo.
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Two technicians are discussing TXVs. Technician A says that the TXV senses evaporator temperature to control the valve opening. Technician B says that the TXV senses evaporator pressure to control the valve opening. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Wood fibers are bound together by a substance called _____.
a. lignin b. lanolin c. lignite d. lactose
Technician Asays a shorted circuit can generate excessive heat. Technician B says a shorted circuit will cause the circuit protection device to open. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
A wall assembly's fire rating is stated in terms of _____
a. thickness b. time c. flammability d. temperature