Which of the following transformers is the most appropriate type of transformer to use for series street lighting?
a. Current transformer
b. Constant-current transformer
c. Potential transformer
d. Buck-and-boost transformer
b. Constant-current transformer
You might also like to view...
?Using the figure provided, tan A = 
.
Answer the following statement true (T) or false (F)
Calculate the following:
three-phase, 480 V, six-pole, Y-connected, 60 Hz, 10 kW induction motor is
driving a constant torque load of 60 Nm. The parameters of the motor are:
a. Motor torque.
b. Motor current
c. Starting torque
d. Starting current
A voltage is injected in the rotor circuit to reduce the motor speed by 40%.
e. Calculate the magnitude of the injected voltage.
f. Repeat (a) to (d) for the motor with injected voltage.
g. Calculate the power delivered to the source of injected voltage.
h. Determine the overall efficiency of the motor (ignore rotational and
core losses).
What is the name of the flexible coupling that allows two shafts to join and allow plunging?
A) U-joint B) Plunge joint C) Pot joint D) None of these
A TP sensor is what type of sensor?
A) Voltage generating B) Piezoelectric C) Potentiometer D) Rheostat