Si una devanadera para cargas sin motor alimenta una carga continua clasificada en 20A y una carga no continua de 30A, ¿qué tamaño de dispositivo de protección contra sobrecorriente se debe seleccionar?
a. 45A
b. 60A
c. 70A
d. 80A
b. 60A
Trades & Technology
You might also like to view...
____________________ emit electrons when in the presence of light.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
What is the reason for using a twisted wire pair for the data backbone on J1939 buses?
A. reduces surface area on which electromagnetic interference can act B. increases the surface area available for electromagnetic transmission C. increases the overall toughness of the wire D. reduces the transmissions speeds of data packets to an acceptable level
Trades & Technology
Which of the following is NOT a basic Boolean operation?
A) FOR B) NOT C) OR D) AND
Trades & Technology
Vehicle height is checked with the fuel tank ________.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology