Renewable Energy Practice Test 8

1. What is solar azimuth angle?

Orientation of earth with respect to sun

Angle of radiation with earth’s surface

Orientation of moon with respect to sun

Angular distance between zero azimuth and sun’s projection on ground

2. How is the temperature maintained in a bubbling fluidized bed?

Biomass

Manipulating the ratio of biomass and gasification agent

A constant ratio of biomass and gasification agent

Gasification agent

3. What are the three types of fluidized gasifiers used?

Straight fluidized bed, dual fluidized bed and bubbling fluidized bed

Single fluidized bed, dual fluidized bed and bubbling fluidized bed

Circulating fluidized bed, dual fluidized bed and bubbling fluidized bed

Single fluidized bed, dual fluidized bed and straight fluidized bed

4. Which of the following can be classified under biomass?

NaOH

Iron

Steel

Organic molecules containing hydrogen

5. Hydrothermal liquefaction produces _________

bio-crude

syngas

producer gas

bio-oil

6. Which of the following technologies are used to convert biomass into useful energy forms?

Doping

Photoelectric effect

Bio-chemical process

Galvanization

7. Where does the energy to drive the electron transfer system come from?

Photosystem 1 and photosystem 3

Photosystem 1 and photosystem 2

Photosystem 3 and photosystem 2

Photosystem 1

8. Which of the following are commonly used in fermentation process?

Virus

Yeast

Mushrooms

Bacteria

9. Catalytic liquefaction occurs at _________

high temperature, high pressure

low temperature, high pressure

low temperature, low pressure

high temperature, low pressure

10. Pyrolysis occurs in the presence of _______ oxygen.

extremely large amount of

absence of

low amounts of

large amounts of