ELECTRICAL WIRING:RESIDENT.-TEXT (PB)
19th Edition
ISBN: 9781337116213
Author: MULLIN
Publisher: CENGAGE L
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Textbook Question
Chapter 7, Problem 20R
Circle the correct answer for the following statements.
- a. When selecting a trim for a recessed incandescent luminaire, select any trim that physically fits and can be attached to the luminaire. (True) (False)
- b. When selecting a trim for a recessed incandescent luminaire, select a trim that the manufacturer indicates may be used with that luminaire. (True) (False)
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When selecting a trim for recessed incandescent luminarie select any trim that physically fits and can be attached to the luminarie
Please answer quickly.
17. The filament of incandescent lamp is usually made of:
a. copper
b. silver
c. aluminum
d. tungsten
18. A current measuring instrument can be modified to measure voltages by:
a. using thicker wire in the coil
b. using a high resistance shunt
c. adding resistance in series
d. adding resistance in parallel
21. "When two power sources are connected in a series-aiding configuration, the output voltage equals the _____________"
a. supply with the highest voltage
b. supply with the lowest voltage
c. difference of the two supplies
d. sum of the two supplies
Post Test
Choose the letter of the correct answer. Write the chosen letter on a separate sheet of paper.
1. It is a smail component that lights up when current flows through it.
a. Capacitor
2. It regulates the amount of current flowing in an electronic circuit.
a. Capacitor
3. These are devices or components which do not require an external source to their operation.
b. Fuse
c. LED
d. Resistor
b IC
c. Inductors
d. Resistor
c. passive devices
d. electrical devices
a. active devices
b. electronic components
4. It is a three-terminal active component that is used mainly in boosting or amplifying electrical
signals; both AF and RF ranges.
a. Capacitor
5. it is necessary to turn the electrical circuit "on" or "off"
a. Fuse
6. Testing tools that are capable of executing tests, reporting outcomes, and comparing results
with earlier test runs
a. Automated
7. The testing method that starts a soon as code is written and continues in successive stages
as code is combined with other units of…
Chapter 7 Solutions
ELECTRICAL WIRING:RESIDENT.-TEXT (PB)
Ch. 7 - Is it permissible to install a recessed luminaire...Ch. 7 - If a recessed luminaire without an integral...Ch. 7 - Thermal insulation is not permitted to be...Ch. 7 - Recessed luminaires are available for installation...Ch. 7 - Unless specifically designed, all recessed...Ch. 7 - Plans require the installation of surface-mounted...Ch. 7 - A recessed luminaire bears no marking indicating...Ch. 7 - Prob. 8RCh. 7 - Additional backup protection for ballasts can be...Ch. 7 - Prob. 10R
Ch. 7 - The Code places a maximum open-circuit voltage on...Ch. 7 - The letter E in a circle on a ballast nameplate...Ch. 7 - A 120-volt lamp fluorescent ballast for two...Ch. 7 - Can an incandescent lamp dimmer be used to control...Ch. 7 - A good rule-of-thumb to estimate the expected life...Ch. 7 - A post light has a 120-volt, 60-watt lamp...Ch. 7 - Define the following terms. a. A tap conductor is...Ch. 7 - Circle the correct answer for the following...Ch. 7 - Circle the correct answer for the following...
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