I Know This
Stealing Christmas
It Is What It Is
I Got One Right
It's Really Only
100
The three measurable parts of an electrical circuit
current, voltage and resistance
100
Voltage divided by resistance
current
100
Current times resistance
voltage
100
A complete, unbroken path that charges can flow through
electrical circuit
100
If switch 3 and 6 were open, which device(s) would turn on?
A, B, C
200
What current will do if the voltage stays the same and resistance is increased.
decrease
200
A circuit with more than one loop and when one light goes out the others stay on.
parallel circuit
200
In an electrical circuit, if the resistance is 500 ohms and the voltage is 6 V, what is the current?
0.012 A
200
The resistance of a speaker using 110v to push a current of 5.5 amps through them.
20Ω
200
They're used to vary the speed of a motor.
modulating controls
300
It must be this to complete a circuit
closed
300
Which one is true?
Resistance will reduce current
300
The flow of electrons
electricity
300
The measurement of resistance
ohms
300
The most popular type of bimetal element used for temperature control of a gas hot water heater
rod and tube
400
An air conditioning system is calling for cooling and the compressor is running but the indoor (evaporator) fan is not running, which terminal on the thermostat will the technician most likely check?
G
400
Transformers are rated using this.
volt-amperes
400
Non-power-consuming, or power-passing, devices are commonly referred to as
switches
400
All control systems can be subdivided into this no matter how many controls there are.
control loops
400
Electronic controls are commonly called ____.
direct digital controls
500
These are usually housed internally inside the controller, convert the information from either analog to digital (A/D) or digital to analog (D/A) format.
signal converters
500
These driers use some of the same products that refrigerant driers use, silica gel or molecular sieve as an adsorbent.
desiccant
500
As a rule of thumb, the air leaving the evaporator will be about ___ than the air entering the evaporator.
17-20° cooler
500
The instrument to use to check for a short in the compressor motor winding is a(n) ____.
ohmmeter
500
Two types of fixed-bore metering devices
capillary tubes and orifice plates