SHI Solar Thermal System Design & Components

Question 1

What is the primary function of a solar collector in a thermal system?

Accepted Answer

Absorb sunlight and convert to heat

Answer

Reflect sunlight

Answer

Generate electricity

Answer

Store heat for months

Question 2

Which component stores heat energy in a solar thermal system?

Accepted Answer

Storage tank

Answer

Pump

Answer

Collector

Answer

Heat exchanger

Question 3

What is the role of a heat exchanger?

Accepted Answer

Transfer heat between fluids

Answer

Store excess heat

Answer

Vent hot air

Answer

Block cold air

Question 4

Which fluid is commonly used in solar thermal systems?

Accepted Answer

Propylene glycol

Answer

Gasoline

Answer

Motor oil

Answer

Liquid nitrogen

Question 5

What type of collector is best for high-temperature applications?

Accepted Answer

Evacuated tube collector

Answer

Flat plate collector

Answer

Convection collector

Answer

Unglazed collector

Question 6

What component circulates fluid in an active solar thermal system?

Accepted Answer

Pump

Answer

Collector

Answer

Vent

Answer

Drain valve

Question 7

Which system does not require electrical components?

Accepted Answer

Passive system

Answer

Active system

Answer

Forced circulation system

Answer

Hybrid system

Question 8

What is the purpose of an expansion tank?

Accepted Answer

Regulate fluid pressure due to thermal expansion

Answer

Store additional water

Answer

Prevent leaks

Answer

Monitor pH level

Question 9

Why is system insulation important in solar thermal installations?

Accepted Answer

Minimizes heat loss and boosts efficiency

Answer

Increases maintenance

Answer

Reduces installation time

Answer

Lowers fluid pressure