Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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_____ solar thermal systems always use a _____ to control the heat collecting
_____.
a. | Passive, controller, fluid | b. | Active, pump, fluid | c. | Passive, motor,
gas | d. | Active, fan, liquid |
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2.
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In a(n) ______ solar themal system the ________ water serves also as the heat
________fluid.
a. | indirect, ionized, cancelling | b. | direct, distilled, transfer
| c. | direct, potable, transfer | d. | indirect, clean,
pumping |
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3.
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In a(n) _______ solar thermal system the hot water storage _______is always
physically located _______ than the collector.
a. | passive, tank, higher | b. | active, tank, higher | c. | passive, ICS, lower
| d. | active, ICS, higher |
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4.
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The system of the following figure is a(n) ________ _________solar thermal
system. a. | active, direct | b. | active, inect | c. | passive,
direct | d. | passive, indirect |
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5.
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The following figure displays a(n) _______ ___________ solar thermal
system. a. | active, direct | b. | active, indirect | c. | passive,
direct | d. | passive indirect |
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6.
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In a(n) ___________ solar thermal system hot water moves to the ______ of the
storage tank using _________ .
a. | thermosymptomatic, top, conduction | b. | passive, top, a controller | c. | active, bottom,
convection | d. | thermosiphon, top, convection |
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7.
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In a ______________ system the PV module generates __________ for the DC pump
that circulates water through the ___________ and back into the storage tank.
a. | thermosiphon, voltage, system | b. | thermogenic, photons,
absorber | c. | southern, power, collector | d. | photovoltaic, electricity,
collector |
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8.
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A ________ controlled STS is a low-tech method of controlling the system
________ .
a. | diferential controller, tank | b. | timer, pump | c. | directly,
humidity | d. | veritcally, power |
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9.
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______________ STSs should always be used in climates with ________
temperatures.
a. | Direct, freezing | b. | Indirect, freezing | c. | Indirect,
warm | d. | Direct, unstable |
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10.
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A _________ transfers the heat from the _______ transfer medium to the
_______ water.
a. | heat exchanger, heat, potable | b. | heating coil, fluid,
drinking | c. | heater, heat, potable | d. | storage tank, moving,
cold |
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11.
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What does ICS stand for?
a. | International Community Solar | b. | Integrated Collector Storage
| c. | Intercontinental Combustible System | d. | Integral Common
System |
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12.
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Which one of the following is not a valid freeze protection
method?
a. | Draining the collector | b. | water flow | c. | thermal
mass | d. | auxilary pump |
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13.
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__________ valves are installed in the collector ______ line .
a. | Insolation, feeding | b. | Check, return | c. | Anti-freezing,
feeding | d. | Anti-scolding, return |
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