WorksheetsACD Unit 8 test
Total questions: 71
Worksheet time: 36mins
Which of the following requires 220/240 volt electrical current?
Refrigerator
Freezer
Clothes Dryer
Washing Machine
GFCI stands for:
Ground fault circuit interrupter
Grounded for circuit interference
Ground for ceiling installation
Grounded for common inference
A single pole switch can control a light or group of lights from how many locations?
1
2
3
4
A single pole switch can control a light or group of lights from how many locations?
1
2
3
4
Controlling one light from 3 separate locations requires:
3 single-pole switches
Two 3-way switches and a 4-way switch
Two 3-way switches
Such an arrangement is not possible
An electrical safety switch that opens a circuit when excessive amperage occurs is called a:
Fuse
Breaker
Meter
None of the options
The measurement of electrical flow is called the:
Ampere
Volt
Watt
Current
None of the options
The meter base should be mounted so the meter socket is preferably:
On the exterior of the house on the side of the garage
On the exterior of the house on the back
On the interior of the garage
On the exterior of the house next to the entrance
None of the options
A ground is an electrical connection to:
The meter
The earth via a rod
The outlet
The breaker
Ground-fault circuit interrupters:
Trip a circuit breaker when there is any unbalance in the circuit current
Are required for any electric fixture within 6'-0" (1820 mm) of water
Are needed in kitchens, bathrooms, and outdoors
All of the options
Identify the electrical symbol.
Open outlet
Exit light outlet
Lamp holder
Lighting outlet
Identify the electrical symbol.
Ceiling switch
Junction box
Just a circle
Ceiling junction box
Identify the following electrical wiring symbol.
Ceiling Outlet / Box
Fire Alarm Outlet
Fan Outlet
Free - Non Used Ceiling Outlet
Identify the following electrical wiring symbol.
Lamp Outlet with additional Power
Lamp Outlet with Push Switch
Lamp Outlet
Lamp Outlet with Pull Switch
Identify the electrical symbol. (12-14)
Ceiling Junction Box
Joint Use Outlet
Wall Junction Box
None of the options
Identify the following electrical wiring symbol.
Telephone
Thermostat
Telegraph
Internet
Identify the electrical symbol.
Telephone Outlet
Emergency Exit Light
Wall Mounted Double Light
Duplex Outlet
Identify the following electrical wiring symbol.
Smoke Detector
Floor Duplex Outlet
Single Outlet
Spot Lighting
Identify the following electrical wiring symbol.
Weather Resistant Duplex Outlet
Outlet with 2 wires only
Direct Wired Outlet
Outlet - Reverse Wired
Identify the following electrical wiring symbol.
3 Wire Special Outlet
3 - Duplex Outlets
Triple Outlet
Outlet on 3 way switch
Identify the following electrical wiring symbol.
Outlet connected to a switch
Single outlet
Outlet mounted on side
Standard outlet
Identify the following electrical wiring symbol.
Main Power Panel
Secondary Power Panel
Lighting Panel
Telephone Box
Identify the following electrical wiring symbol.
Lighting Panel
Telephone Box
Secondary Power Panel
Main Power Panel
Identify the following electrical wiring symbol.
Special Purpose Outlet
Telephone
Internet
Digital TV
Identify the following electrical wiring symbol.
Telephone
Wall Mounted Fixture
Internet
Digital TV
Identify the following electrical wiring symbol. (12-25)
Welder Outlet
Air Conditioner Outlet
Range Outlet
Microwave Outlet
Identify the following electrical wiring symbol.
Electrical Conduit
Hidden Line
Dotted Line
Switch Wire
Identify the following electrical wiring symbol.
Lamp Post
Conduit with Turn Down
Power Post
Conduit with Turn Up
Identify the following electrical wiring symbol.
Lamp Post
Conduit with Turn Up
Power Pole
Conduit with Turn Down
Identify the following electrical wiring symbol.
Three-Way Switch
Single Pole Switch
Weatherproof Switch
Tamper Proof Switch
A Three-Way switch can control a light or group of lights from how many locations?
1
2
3
4
Double pole switches are typically used for:
Switch receptacles and appliances using 240 volt circuits
Controlling two lights from one location
Switch between circuits
None of the options
Identify the following electrical wiring symbol.
Double Pole Switch
Single Pole Switch
Three Way Switch
Key Operated Switch
Identify the following electrical wiring symbol.
Key Operated Switch
Three Way Switch
Single Pole Switch
Double Pole Switch
Identify the following electrical wiring symbol.
Key Operated Switch
Double Pole Switch
Three Way Switch
Single Pole Switch
Identify the following electrical wiring symbol.
Single Pole Switch
Key Operated Switch
Double Pole Switch
Three Way Switch
Receptacles in a bath must be GFI.
True
False
The first phase of electrical installation is the rough-in.
True
False
Electrical drawings are always drawn on separate sheets.
True
False
Exterior walls should be used as much as possible for outlets because of the ease of construction.
True
False
The electrical circuit line should not be drawn with a French curve.
True
False
The maximum distance between outlets should be 4 inches.
True
False
Any wall over two feet in length should have an outlet.
True
False
Kitchens require an outlet for every 6' of counter space.
True
False
Structured wiring systems do not use series circuits because they degrade the communication signal.
True
False
Light switches should be placed 3' above the floor to accommodate children and people in wheelchairs.
True
False
In hallway, ceiling lights should be placed no more than 10" apart.
True
False
Commercial projects tend to incorporate plans with dimensions and electrical applications together for convenience.
True
False
A Four-Way switch can control one or more lights from 4 locations.
True
False
HVAC stands for:
Home venting and cooling
Heating, ventilation, and air conditioning
Home ventilation and alternate cooling
Home vacuum and cleaning
Air supply registers are typically placed:
On the ceiling above windows
On the ceiling along an interior wall
On the floor along an interior wall
On the floor below the windows
The best location for a thermostat is near:
The front door for convenience and exterior wall
The return air register
The supply air register
None of the options
The unit measure of heat is the:
Grain
R factor
BTU
U factor
The rate of air flow will be noted on the plans by abbreviation:
AFR
WA
RA
CFM
Air-to-air heat exchangers are best suited for:
Highly insulated structures with vapor barriers
State-of-the-art radiant heating systems
Older homes with radiator systems
All of the options
Air conditioning systems need compressors primarily:
To circulate the conditioned air through a central forced-air system
To change the temperature of the refrigerant
To circulate refrigerant through the compressor system
None of the options
A duct label 22/12 is:
22 square inches in cross-section
12 inches deep
12 inch diameter - 22 inches long
22 inches wide
An appropriate scale for an HVAC detail is:
1" = 1'-0" (roughly 1:10)
1/4" =1'-0" (1:50)
6"=1'-0" (4:2)
None of the options
A 2000 square foot house with nine foot ceilings requiring a 0.5 ACH will need to exchange how many cubic feet of air per minute?
17
150
300
9000
Return Air Filters should be replaced how often?
Weekly
Monthly
Quarterly
Yearly
Identify the item shown.
Structural lumber
An opening
Supply duct
Return duct
Identify the item shown.
Structural lumber
Return duct
Supply duct
An opening
Identify item "AA."
Up Lift Indicator
Upper Duct Level
Air Flow Direction
None of the options
Identify item "BB."
Tape
Turn
Weld
Turning Vanes
Identify item "CC."
Return Down
Return Up
Opening
Vent
Identify item "DD."
Return Down
Return Up
Opening
Vent
Identify item "EE."
Min / Max Air Flow
Temperature Loss - Gain
Duct Size
Min / Max Metal Gauge
When a Split Unit is used, the Heating Unit is located where?
Inside
Outside
On the roof
All of the options
When a Split Unit is used, the Condenser Unit is located where?
In the basement
On the roof
Inside
Outside
When a Package Unit is used, what does this indicate?
No duct is required
Can be placed "inside" in a central location
Everything is outside except the duct
All of the options
Which of the following can be considered a Heating Supply System?
Clothes Dryer
Sun Room
Washing Machine
Water Heater
