Worksheets15.0403 NOCTI Prep 2/3
Total questions: 12
Worksheet time: 6mins
The approximate peak-to-peak value of an alternating current signal that measures 240 Vrms is
169.7 volts
339.4 volts
678,8 volts
852.4 volts
In residential structures, GFCI is required in
living rooms
bedrooms
dining rooms
kitchens
What article in the National Electrical Code covers motors, motor branch-circuit and feeder conductors and their protection?
Article 430
Article 440
Article 450
Article 500
The transformer winding to which the line is connected is called the ________ winding.
primary
field
voltage
current
An electric motor is used to change
electrical energy into mechanical energy
mechanical energy into electrical energy
mechanical energy into electromechanical energy
electrical energy into chemical energy
The winding ratio of a ________ transformer has a rating of 3:1 winding ratio.
neutral
step-down
step-up
control
In a full wave bridge rectifier, which of the following components is used to reduce AC ripple?
diodes
capacitors
resistors
control rectifier
What is the resistance total for 4 (four) 1,000 ohm resistors connected in parallel?
250 ohms
4,000 ohms
4,400 ohms
40, ohms
Select the true statement for electrolytic capacitors.
polarity must be observed when installing in a circuit
positive lead is connected to the outer casing
there is no polarity
can only be used in AC circuits
What is the resistance total for a 560 ohm, 1 k ohm, and a 3.3 k ohm resistor in series?
323.76 ohms
1,327 ohms
4,860 ohms
13,860
An OR gate is shown below by number
1
2
3
4
The truth table below describes a/an ________ gate.
NOT
AND
NOR
NAND
