Biogas Quiz ni ate kot FINALS

Question 1

major component of biogas

Answer 1

Methane

Question 2

a category of digestion characterized by 20-35 degree Celsius digester temperature and a retention time over 20 days

Answer 2

Mesophilic digestion

Question 3

It is the first stage in generating biogas wherein substrates are converted into soluble monomers

Answer 3

Hydrolysis

Question 4

Type of biogas plant consisting of a plastic bag in the upper part where the gas is stored

Answer 4

Balloon Plant

Question 5

In the Philippines, biogas technology was introduced in 1965
by ___________________, an agricultural engineer by
profession of the then-Araneta University Foundation.

Answer 5

Dr. Felix D. Maramba, Sr.

Question 6

It is a space inside or outside the digester for the
collection of storage of biogas.

Answer 6

Gas Chamber

Question 7

C/N ratio that is suitable for anaerobic digestion.

Answer 7

20:1 to 30:1

Question 8

it is a mixture of manure and water

Answer 8

Slurry

Question 9

Optimum pH for methane fermentation is between _______

Answer 9

7 to 8.5

Question 10

It is a mechanical device inside the digester used to mix
slurry thereby destroying the formation of scum

Answer 10

Stirrer

Question 11

Factors Affecting Biogas Production

Answer 11

1. Feed Material
2. Temperature
3. pH of Substrate
4. Hydraulic Retention Time
5. Amount and Concentration of Organic Material
6. Feed Material to Water Ratio
7. Mixing of Substrate

Question 12

Classification of Biogas Plant according to PLANT TYPE

Answer 12

1. Balloon Plant
2. Fixed Dome Plant
3. Floating Drum Plant

Question 13

Sources of feed material for biogas plant

Answer 13

1. Poultry manure
2. Cattle manure
3. Pig manure
4. Agri-plant residue