Deck 14: Electrical

Question 1

Phantom loads, also referred to as ____, are the small amounts of electricity that many appliances and electronics use even when they appear to be turned off.

A) ghosts
B) spirits
C) vampires
D) angels

Answer 1

vampires

Question 2

The EPA has estimated that ____ of the power used by the average television is used when it is off and in the standby mode.

A) one-fourth
B) one-third
C) one-half
D) two-thirds

Answer 2

one-half

Question 3

A green alternative for residential wiring is ____.

A) plastic-shielded cable
B) wiring with plastic coatings
C) fiberglass-protected cable
D) metal-shielded cable

Answer 3

metal-shielded cable

Question 4

____ are created by outdoor power lines, interior wiring, lighting, and motors.

A) EACs
B) EMFs
C) ECFs
D) EMLs

Question 5

Dimming the electrical lighting in a house is a simple way to reduce energy use. Setting dimmers at 50% of full light output saves about ____% of the energy required.

A) 20
B) 30
C) 40
D) 50

Question 6

____ sensors turn circuits on and off automatically when they sense heat or movement in a room and can help reduce energy usage by turning lights and fans on or off as needed, based on whether people are in a room or not.

A) Movement
B) Occupancy
C) Vacancy
D) Heat

Question 7

____ switches are used on exterior lighting to turn them off during daylight hours when they are not needed.

A) Light-cell
B) Suncell
C) Photocell
D) Sensitivity

Question 8

The EPA offers the ____ Lighting Package designation,a construction option that can be offered by homebuilders to upgrade light fixtures and ceiling fans commonly used in the home with ENERGY STAR qualified models.

A) Green
B) Conservation
C) Star
D) Advanced

Question 9

California's building energy code, Title ____, requires specific energy efficiency measures in all residential new construction and renovation projects requiring a building permit.

A) 13
B) 18
C) 24
D) 32

Question 10

Lighting can be broken down into three main categories: ambient, ____, and accent.

A) functional
B) task
C) work
D) specific

Question 11

All fluorescent lamps require a ____, a device that increases the frequency of line power delivered to a fixture to control the starting and operating voltages of the lamp.

A) ballast
B) filament
C) tripler
D) monitor

Question 12

Fluorescent lamps all contain ____ and should be recycled to avoid contaminating landfills.

A) PVC
B) lead
C) mercury
D) carbon monoxide

Question 13

____ lamps are limited mostly to street and parking lot lights and the interiors of industrial spaces such as gymnasiums, and arenas.

A) Magnetic induction
B) LED
C) Fluorescent
D) HID

Question 14

A(n) ____ design of recessed lighting fixtures allows insulation installation against the fixture and helps reduce air leakage.

A) IC
B) INS
C) II
D) IS

Question 15

A 100-watt incandescent lamp produces about ____ lumens.

A) 1000
B) 1750
C) 5700
D) 17,500

Question 16

Illumination is the ____ of light reaching a task or work surface.

A) glow
B) brightness
C) color
D) quantity

Question 17

Color ____ is an indicator of the color of a light source and compares the color of a lamp to natural sunlight measured in degrees Kelvin.

A) measurement
B) temperature
C) scale
D) degree

Question 18

A CRI over ____ is considered suitable for residential lighting.

A) 45
B) 55
C) 60
D) 80

Question 19

The ____ has implemented labeling for lamps, similar to food nutrition labels, to provide purchasing guidance for consumers.

A) FTC
B) FDA
C) FCC
D) USFS

Question 20

____ use the most power of any household appliance.

A) Dishwashers
B) Clothes washers
C) Cooking appliances
D) Refrigerators

Question 21

Clothes washer efficiency is rated with a(n) ____ energy factor, which considers the energy required to operate the washer, heat the water, and dry the clothes based on how much water is removed in the spin cycle.

A) estimated
B) measured
C) modified
D) rated

Question 22

Running full loads and using the ____ setting allows for the most efficient operation of dishwashers.

A) no-dry
B) normal heat-dry
C) no-heat dry
D) extra-heat dry

Question 23

Traditional clothes dryers work by ____: heated air removes the moisture from the clothes.

A) convection
B) conduction
C) reduction
D) induction

Question 24

Clothes dryers work most efficiently when the clothes are as ____ as possible when loaded into the dryer.

A) dry
B) clean
C) compacted
D) wet

Question 25

____ can reduce heat buildup in warm weather, lowering cooling bills.

A) Small appliances
B) Large appliances
C) Use of stoves instead of a variety of small appliances
D) Use of gas instead of electric appliances

Question 26

Match each item with a statement below.

-Create light when electricity passes through a tungsten filament encased in glass, causing it to glow and create light.

A)Fluorescent lamps
B)Incandescent lamps
C)High intensity discharge lamps
D)Magnetic induction lamps
E)Halogen lamps
F)Light-emitting diodes

Question 27

Match each item with a statement below.

-Use a filament inside a compact glass envelope filled with gas.

A)Fluorescent lamps
B)Incandescent lamps
C)High intensity discharge lamps
D)Magnetic induction lamps
E)Halogen lamps
F)Light-emitting diodes

Question 28

Match each item with a statement below.

-Create light when electricity passes through gas inside a phosphorous-coated glass tube, causing it to glow.

A)Fluorescent lamps
B)Incandescent lamps
C)High intensity discharge lamps
D)Magnetic induction lamps
E)Halogen lamps
F)Light-emitting diodes

Question 29

Match each item with a statement below.

-Semi-conductors that glow when electrical current passes through them.

A)Fluorescent lamps
B)Incandescent lamps
C)High intensity discharge lamps
D)Magnetic induction lamps
E)Halogen lamps
F)Light-emitting diodes

Question 30

Match each item with a statement below.

-A variation on fluorescent technology that use an electromagnet to cause gas in the lamp to glow.

A)Fluorescent lamps
B)Incandescent lamps
C)High intensity discharge lamps
D)Magnetic induction lamps
E)Halogen lamps
F)Light-emitting diodes

Question 31

Match each item with a statement below.

-A variation on incandescent lamps that are made with mercury vapor, metal halide, and high and low pressure sodium gases.

A)Fluorescent lamps
B)Incandescent lamps
C)High intensity discharge lamps
D)Magnetic induction lamps
E)Halogen lamps
F)Light-emitting diodes