Homework Answers
ANSWER:
Q.17.Answer : True
Explanation : For general alarm systems, the demand current is based on the entire system operating in the alarm mode. This means that all the notification appliances and emergency control function interfaces are are operating.The fire alarm system requires two sources of power.The primary one may be ups and secondary one is the batteries or batteries with standby generator which acts as an emergency back up.
Q18.Answer : True
Explanation : Generally fluorescent tube are categorized based on their wattage shape and diameter. In T8 , 'T' indicates that the tube is tubular in shape and '8' indicates eight eighths inch =1"diameter.
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Question 17 Not yet answered Points out of 2.00 P Flag question Backup power in the...
Not yet answered Question 19 Points out of 2.00 P Flag question Emergency power for equipment...
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 23 Not yet answered Points out of 2.00 P Flag question A magnetic ballast is...
Question 23 Not yet answered Points out of 2.00 P Flag question A magnetic ballast is used with halogen lamps Select one: O True O False Question 24 Not yet answered Points out of 2.00 P Flag question Amps are used to measure the rate at which work is done. Select one: True False
Question 15 Not yet answered Points out of 2.00 P Flag question Bands of light 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...
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 21 Not yet answered Points out of 2.00 P Flag question The National Electrical Code...
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
Question 8 Not yet answered Points out of 2.00 P Flag question Which of the following...
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 7 Not yet answered Points out of 3.00 P Flag question ESAL an acronym for...
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 5 Not yet answered Points out of 3.00 P Flag question Soundness of an aggregate...
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 9 Not yet answered Points out of 2.00 P Flag question How much real power...
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
Backup power in the form of emergency power supply or batter backup is needed for a...
Backup power in the form of emergency power supply or batter backup is needed for a fire alarm system True or 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 23 Not yet answered Points out of 2.00 P Flag question A magnetic ballast is used with halogen lamps Select one: O True O False Question 24 Not yet answered Points out of 2.00 P Flag question Amps are used to measure the rate at which work is done. Select one: 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 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 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
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 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 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 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
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