For a solar system located in Colorado, how many flat-panel solar collectors with dimensions of 1 m × 1.5 m and an efficiency of 58% would be required to heat up 80 gallons of water from 65°F to 120°F during the month of January? State your assumptions.
What will be an ideal response?
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Fresh air is allowed to enter the charcoal canister:
A. When the PCM purges the canister B. When the PCM performs a leak test C. During the weak vacuum test D. When a rich air/fuel mixture is needed
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John’s wheat drill has 8-inch row spacing. What is the row spacing in centimeters?
What will be an ideal response?
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How does a closed expansion tank work?
A) Air is trapped at the top of the tank B) The walls of the tank are made of a flexible material C) The top of the tank is open to the atmosphere D) It uses a flexible diaphragm with an air charge above the diaphragm
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The chip brush removes chips from the:
A) Workpiece B) Band wheel C) Worktable D) Band guide
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