STUDENTS SUCCESS
Revision Examination Tests
“Come all for this Greatness”
... 100% Correct Ans ...
COSC 325 - MEP - EXAM 2 2024-2025 ACTUAL EXAM COMPLETE 200-
QUESTIONS AND CORRECT DETAILED ANSWERS
Quiz When does an incandescent lamp usually fail?
Ans: When switched on
Quiz True or False: A standard incandescent lamp converts most electrical energy
input to light.
Ans: False
Quiz What is true for illuminance?
Ans: It decreases as distance to a light source increases
Quiz What is/are the letter(s) mostly used at the beginning of a code to identify
fluorescent lamps?
Ans: F
Quiz What is the equivalent of zero degree Kelvin in Celsius?
Ans: -273 degrees
Quiz What is the velocity of light in kilometers/second?
Ans: 300,000
Quiz What does not play any role in defining a visual task?
Ans: Lamp Life
Quiz What is the range of wavelengths (in nanometers) of visible light?
Ans: 380-770
, Quiz Cone sensors in human eyes respond to what colors?
Ans: Red, Green, and Blue
Quiz What CRI value is assigned to daylight?
Ans: 100
Quiz What is meant by power factor?
Ans: It is an index for quantifying lagging current
Quiz What is not true about AC power?
Ans: Line losses are high for AC power transmission
Quiz Power demand charges for a building are based on:
Ans: Largest load connected during any 15-minute time period
Quiz What is power?
Ans: The rate at which a work is done
Quiz How can glare problems be minimized?
Ans: By increasing background brightness, reducing source brightness, or shielding
the source
Quiz What is a magnetic field?
Ans: An area of electrical influece
Quiz What can be done for improving power factor?
Ans: Use capacitors
Quiz How many times an AC generator drive rotates per second? (This is with
reference to power generation in the United States.)
Ans: 60
Quiz True or False: Light fixtures (luminaires) in large rooms will have a lower
coefficient of utilization than the same fixtures (luminaires) in small rooms)
Ans: False
Quiz How would you provide grounding to the electrical system of a building?
Ans: By grounding the neutral conductor
Revision Examination Tests
“Come all for this Greatness”
... 100% Correct Ans ...
COSC 325 - MEP - EXAM 2 2024-2025 ACTUAL EXAM COMPLETE 200-
QUESTIONS AND CORRECT DETAILED ANSWERS
Quiz When does an incandescent lamp usually fail?
Ans: When switched on
Quiz True or False: A standard incandescent lamp converts most electrical energy
input to light.
Ans: False
Quiz What is true for illuminance?
Ans: It decreases as distance to a light source increases
Quiz What is/are the letter(s) mostly used at the beginning of a code to identify
fluorescent lamps?
Ans: F
Quiz What is the equivalent of zero degree Kelvin in Celsius?
Ans: -273 degrees
Quiz What is the velocity of light in kilometers/second?
Ans: 300,000
Quiz What does not play any role in defining a visual task?
Ans: Lamp Life
Quiz What is the range of wavelengths (in nanometers) of visible light?
Ans: 380-770
, Quiz Cone sensors in human eyes respond to what colors?
Ans: Red, Green, and Blue
Quiz What CRI value is assigned to daylight?
Ans: 100
Quiz What is meant by power factor?
Ans: It is an index for quantifying lagging current
Quiz What is not true about AC power?
Ans: Line losses are high for AC power transmission
Quiz Power demand charges for a building are based on:
Ans: Largest load connected during any 15-minute time period
Quiz What is power?
Ans: The rate at which a work is done
Quiz How can glare problems be minimized?
Ans: By increasing background brightness, reducing source brightness, or shielding
the source
Quiz What is a magnetic field?
Ans: An area of electrical influece
Quiz What can be done for improving power factor?
Ans: Use capacitors
Quiz How many times an AC generator drive rotates per second? (This is with
reference to power generation in the United States.)
Ans: 60
Quiz True or False: Light fixtures (luminaires) in large rooms will have a lower
coefficient of utilization than the same fixtures (luminaires) in small rooms)
Ans: False
Quiz How would you provide grounding to the electrical system of a building?
Ans: By grounding the neutral conductor
