[試題] 99上 王興華 能源工程 期末考
課程名稱︰能源工程
課程性質︰選修
課程教師︰王興華、楊鏡堂、馬小康
開課學院：工學院
開課系所︰機械系
考試日期（年月日）︰100/01/10
考試時限（分鐘）：09:10~12:00
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
1. Wind Energy (15 points)
Why are the technologies of wind-energy being developed worldwide in this
century? Compare the advantages and disadvantages of on-shore and off-shore
wind energy.
2. EV (15 points)
Discuss SWOT (strength, weakness, opportunity, threat) of Taiwan's development
on electric vehicles?
3. Nuclear Energy (15 points)
Please list three advantages of nuclear energy for electricity supply in
Taiwan.
4. LED (15 points)
Please explain the emitting principle or the basic theory of light emitting
diode (LED).
5. PV (15 points)
What are
(a) crystalline Si solar cells,
(b) polycrystalline thin film solar cells,
(c) organic solar cell?
Please also list the commercialized efficiency of each cell and compare thier
limitations.
6. Energy Storage (15 points)
(a) What is the energy stored in the air tank of 1m^3 with 700 bar and 300K?
Isothermal and reversible operation is assumed. The heat capacities for
air at constant pressure are Cp=29.10 J/(K．mol). (7%)
(b) Write down the reaction of positive and negative electrodes, respectively
and overall reaction for lithium-cobalt-oxide battery. If the average
voltage of the lithium battery is 3.6 volt and the capacity is 1000 mAh,
what is the energy expressed in Joule in this battery? (8%)
7. Energy Saving (10 points)
Please list five distinct ways to save energy in Taiwan.
Bonus: Your suggestions to this course (5 points)
From your learning experience in this semester, write down your constructive
suggestions to this course if it is to be lectured next year.
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