Solar flat plate collectors

To how many types are flat plate collectors divided depending on type of heat transfer fluid?

• 2

• 3

• 4

• 5

Liquid heating collectors are mainly used for _________

• Heating water

• Generating electricity

• Cooking

• Trapping sunlight

_______ is a glazing which limits the radiation and convection heat losses.

• Absorber plate

• Selective surface

• Insulation

• Transparent cover

What are provided to minimize heat loss?

• Absorber plate

• Surface plate

• Insulation

• Casing

Which part of flat plate collectors is coated in black?

• Transparent cover

• Absorber plate

• Insulation

• Fins

In which collector does air flow without any obstruction?

• Porous absorber plate

• Non-porous absorber plate

• Over lapped glass absorber

• Finned absorber

Which type of absorber increases the heat transfer area over a simple flat plate absorber of the same capacity?

• Porous absorber plate

• Non-porous absorber plate

• Over lapped glass absorber

• Finned absorber

In what form is solar energy is radiated from the sun?

• Ultraviolet Radiation

• Infrared radiation

• Electromagnetic waves

• Transverse waves

The scattered solar radiation is called ____________

• Direct Radiation

• Beam Radiation

• Diffuse radiation

• Infrared Radiation

Angle made by plane surface with horizontal is called ________

• Slope

• Altitude angle

• Zenith angle

• Hour Angle