COSC 325 - MEP - Exam 2 with correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers
When does an incandescent lamp usually fail? - correct answer✔✔When switched on
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True or False: A standard incandescent lamp converts most electrical energy input to light. -
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correct answer✔✔False ||\\||\\ ||\\||\\
What is true for illuminance? - correct answer✔✔It decreases as distance to a light source
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
increases
What is/are the letter(s) mostly used at the beginning of a code to identify fluorescent
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lamps? - correct answer✔✔F ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is the equivalent of zero degree Kelvin in Celsius? - correct answer✔✔-273 degrees
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What is the velocity of light in kilometers/second? - correct answer✔✔300,000
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What does not play any role in defining a visual task? - correct answer✔✔Lamp Life
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What is the range of wavelengths (in nanometers) of visible light? - correct answer✔✔380-
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770
Cone sensors in human eyes respond to what colors? - correct answer✔✔Red, Green, and
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Blue
, What CRI value is assigned to daylight? - correct answer✔✔100
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What is meant by power factor? - correct answer✔✔It is an index for quantifying lagging
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current
What is not true about AC power? - correct answer✔✔Line losses are high for AC power
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transmission
Power demand charges for a building are based on: - correct answer✔✔Largest load
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
connected during any 15-minute time period ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is power? - correct answer✔✔The rate at which a work is done
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
How can glare problems be minimized? - correct answer✔✔By increasing background
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
brightness, reducing source brightness, or shielding the source ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is a magnetic field? - correct answer✔✔An area of electrical influece
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What can be done for improving power factor? - correct answer✔✔Use capacitors
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How many times an AC generator drive rotates per second? (This is with reference to power
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
generation in the United States.) - correct answer✔✔60 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
True or False: Light fixtures (luminaires) in large rooms will have a lower coefficient of
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utilization than the same fixtures (luminaires) in small rooms) - correct answer✔✔False
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How would you provide grounding to the electrical system of a building? - correct
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answer✔✔By grounding the neutral conductor ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers
When does an incandescent lamp usually fail? - correct answer✔✔When switched on
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
True or False: A standard incandescent lamp converts most electrical energy input to light. -
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answer✔✔False ||\\||\\ ||\\||\\
What is true for illuminance? - correct answer✔✔It decreases as distance to a light source
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
increases
What is/are the letter(s) mostly used at the beginning of a code to identify fluorescent
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
lamps? - correct answer✔✔F ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is the equivalent of zero degree Kelvin in Celsius? - correct answer✔✔-273 degrees
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is the velocity of light in kilometers/second? - correct answer✔✔300,000
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What does not play any role in defining a visual task? - correct answer✔✔Lamp Life
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is the range of wavelengths (in nanometers) of visible light? - correct answer✔✔380-
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
770
Cone sensors in human eyes respond to what colors? - correct answer✔✔Red, Green, and
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Blue
, What CRI value is assigned to daylight? - correct answer✔✔100
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is meant by power factor? - correct answer✔✔It is an index for quantifying lagging
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
current
What is not true about AC power? - correct answer✔✔Line losses are high for AC power
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
transmission
Power demand charges for a building are based on: - correct answer✔✔Largest load
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
connected during any 15-minute time period ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is power? - correct answer✔✔The rate at which a work is done
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
How can glare problems be minimized? - correct answer✔✔By increasing background
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
brightness, reducing source brightness, or shielding the source ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is a magnetic field? - correct answer✔✔An area of electrical influece
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What can be done for improving power factor? - correct answer✔✔Use capacitors
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
How many times an AC generator drive rotates per second? (This is with reference to power
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
generation in the United States.) - correct answer✔✔60 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
True or False: Light fixtures (luminaires) in large rooms will have a lower coefficient of
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
utilization than the same fixtures (luminaires) in small rooms) - correct answer✔✔False
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
How would you provide grounding to the electrical system of a building? - correct
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answer✔✔By grounding the neutral conductor ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
