Engineering, 06.03.2020 23:33, jtroutt74
At steady-state, a porch light with a 100 W incandescent bulb produces 97.8 W of heat energy, the rest of its output being visible light. a) What is the efficiency of the light bulb? (use the definition from the class notes)b) How much energy does the bulb consume annually if it is on for an average of 8 hours per day (in kWh)?c) What is the annual cost of the energy at a rate of $0.08/kWh?
Answers: 1
Engineering, 03.07.2019 14:10, cowgyrlup124
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
Answers: 1
Engineering, 04.07.2019 18:20, 1230bering
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
Answers: 2
Engineering, 04.07.2019 18:20, karatsgrande3772
Determine the damped natural frequencies and the steady state response of a decoupled damped forced two degrees of freedom system. 10ä1 + 2q1 20q1 10 cos t; 10q2 +4q2 + 40q2 10 cos t
Answers: 3
At steady-state, a porch light with a 100 W incandescent bulb produces 97.8 W of heat energy, the re...
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