23.
Halogen lamps do not require magnetic ballasts. But, light bulbs and fluorescent lamps use magnetic ballasts.
So the answer is FALSE.
24.
Amps is the measure of flow of current. Charge flowing per unit time is ampere. It does not measure the rate at which work is done. Watt is used for measuring rate of work done.
So the answer is FALSE.
Question 23 Not yet answered Points out of 2.00 P Flag question A magnetic ballast is...
Question 15 Not yet answered Points out of 2.00 P Flag question Bands of light is another name for recessed downlighting Select one O True False Question 16 Not yet answered Points out of 2.00 P Flag question Compact fluorescent fixtures are the best choice for hard to access locations. Select one: O True False
Question 15 Not yet answered Points out of 2.00 P Flag question Bands of light is another name for recessed downlighting Select one: True False Question 16 Not yet answered Points out of 2,00 P Flag question Compact fluorescent fixtures are the best choice for hard to access locations, Select one True False
Question 17 Not yet answered Points out of 2.00 P Flag question Backup power in the form of emergency power supply or batter backup is needed for a fire alarm system Select one True False Question 18 Not yet answered Points out of 2.00 P Flag question "T-8" lamp designation tell us that the lamp is tubular shaped and 1" in diameter. Select one: True False
Question 21 Not yet answered Points out of 2.00 P Flag question The National Electrical Code (NEC) should always be followed specifically. Select one: True False Question 22 Not yet answered Points out of 2.00 P Flat question Branch circuits are the portion of the electrical wiring that runs from a circuit breaker to an outlet or load Select one True O False
Not yet answered Question 19 Points out of 2.00 P Flag question Emergency power for equipment that cannot experience any disruptions in service is typically furnished by UPS Select one: True False Question 20 Not yet answered Points out of 2.00 P Flag question Typically fuses cost less than circuit breakers, but take up more room in the panel. Select one: True False
Question 8 Not yet answered Points out of 2.00 P Flag question Which of the following lamp types need a ballast to operate? Select all that apply Select one or more: a. LED b. Incandescent. High intensity discharge. d. None e. Fluorescent
Question 9 Not yet answered Points out of 2.00 P Flag question How much real power is produced in a circuit by 50 amps at 100 volts with a power factor of 80%? Select one: a. 4000 watts b. 4000 volt-amps c. 5000 volt-amps O d. 4000 farads e. 5000 watts
Question 5 Not yet answered Points out of 3.00 P Flag question Soundness of an aggregate indicates its resistance to weathering. Select one: True False Question 6 Not yet answered Points out of 3.00 P Flag question RAP is an acronym for Residuum Asphaltic Pavement Select one: True O False
Question 7 Not yet answered Points out of 3.00 P Flag question ESAL an acronym for Equivalent Single Axle Load Select one: True False Question 8 Not yet answered Points out of 3.00 p Flag question A pycnometer measures grain size. Select one: True False
Question 9 Not yet answered Points out of 3.00 P Flag question A Rotational Viscometer is used to determine the viscosity of asphalt binders in the low temperature range, Select one: True O False