technology-1_-_reshebnik
.pdfPhotocopiable © Oxford University Press 79
5 Communication
Your group is a team of designers and engineers who specialize in appropriate |
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technology for rural villages in developing countries. Your team has designed this |
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system for low-cost solar water heating. Discuss the system with your group and |
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make notes in the table. Then, with your group, give a brief explanation of how |
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the system works. |
sola r water heater pa nel |
Name of system: Solar water heating system
Purpose of system:
Main components: |
I What the main components do: |
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___________ 1 |
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----------- 1 ----------- |
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----- ------ 1 --------- -- |
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---------- 1 ---------- |
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----- 1+= |
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----------- )I |
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------ 1I |
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----- 1 |
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-6------===---=----------~::====-=-----_ |
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1 ----- |
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----- 1 |
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--------- - 1 ---------- |
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How the system works: |
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/
I |
connect.ing water |
. |
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+ |
~ pipes |
shower |
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~ |
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head |
t |
~ |
t |
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hot and |
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cold |
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o |
valve |
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t |
~ |
t |
t |
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t t
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-cold |
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t |
water |
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water |
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tank |
inlet |