IT KING

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About IT KING

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Computer Science,Engineering See all
Computer Science,Engineering,Environmental science,Essay writing,Information Systems,Programming Hide all
Teaching Since: Apr 2017
Last Sign in: 453 Weeks Ago, 3 Days Ago
Questions Answered: 402
Tutorials Posted: 401

Education

  • MSC,MBA(IT)
    Standford
    Jun-1997 - Sep-2000

Experience

  • IT Manager
    Honeywell
    Aug-2001 - Present

Category > Applied Sciences Posted 07 May 2017 My Price 8.00

Replacing incandescent lights

Replacing incandescent lights with energy-efficient fluorescent lights can reduce the lighting energy consumption to one-fourth of what it was before. The energy consumed by the lamps is eventually converted to heat, and thus switching to energy-efficient lighting also reduces the cooling load in summer but increases the heating load in winter. Consider a building that is heated by a natural gas furnace with an efficiency of 80 percent and cooled by an air conditioner with a COP of 3.5. If electricity costs $0.08/kWh and natural gas costs $1.40/therm, determine if efficient lighting will increase or decrease the total energy cost of the building (a) in summer and (b) in winter.

Answers

IT KING
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Status NEW Posted 07 May 2017 11:05 AM My Price 8.00

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