Worksheetssolar energy utilization
Total questions: 10
Worksheet time: 6mins
Passive solar systems primarily rely on
Mechanical devices
Building design and natural processes
Electrical pumps and fans
Fuel-based heaters
Which building orientation is preferred in passive solar design (Northern Hemisphere)
North-facing
South-facing
East-facing
West-facing
Thermal mass in passive solar design is used to
Reflect sunlight
Store and release heat
Reduce ventilation
Block radiation
Solar PV panels work on which principle
(a)
An example of passive solar feature is
Solar water heater
Trombe wall
Solar PV panel
Solar pump
Passive systems are generally
High cost and complex
Dependent on pumps and blowers
Low maintenance and cost-effective
Suitable only for large industries
Active solar systems differ from passive systems because they
Depend only on building design
Use mechanical/electrical devices
Do not store heat
Require no investment
Which of the following is NOT a component of an active solar system
Solar collector
Heat exchanger
Pump or fan
Trombe wall
The main disadvantage of active solar systems is
Low efficiency
No control over heat
High initial cost and maintenance
Cannot be used in industries
A solar water heater primarily uses
Solar collectors
Photovoltaic effect
Gas burners
Reflectors only
