According to Code Article 450.11, each transformer shall be provided with a nameplate including what information?
What will be an ideal response?
According to the Code Article 450.11, each transformer shall be provided with a nameplate, and the nameplate must include the following information:
a. manufacturer’s name
b. rated kVA capacity
c. frequency in hertz
d. primary and secondary voltages
e. amount of insulating liquid and type used
f. temperature class of insulation in dry-type transformers
g. impedance (25 kVA and higher)
h. required clearances for transformers with vented openings
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What happens to the evaporator fan motor when the defrost cycle is terminated?
A) The fan shuts off until the defrost termination thermostat senses that the evaporator is cold again. B) The fan runs at a higher speed until the evaporator has cooled back down. C) The fan comes back on to cool the freezer. D) The fan stops running backwards and begins to operate normally again.
What is the total standard height of a base cabinet with a countertop installed?
A) 36" B) 34" C) 32" D) 38"
In the circuit shown below,
(a) Find Ra = R7 || R8.
(b) Find Rb = R6 + Ra.
(c) Find Rc = R5 || Rb.
(d) Find Rd = R2 || R3.
(e) Redraw the circuit consisting of Vs, R1, Rd, R4, and Rc. Find the equivalent resistance Req
seen from the voltage source.
(f) Find the current I1 through R1, Rd, R4, and Rc.
(g) Find the voltage across R1, voltage across Rd, voltage across R4, and voltage across Rc.
(h) Find the voltage V1, voltage V2, and voltage V3.
(i) Find the currents I5 and I6.
(j) Find the voltage V4, and currents I7 and I8.
In the circuit shown below, let
