Question 71 : Which decomposition process produces Carbon dioxide and methane?
1. Aerobic decomposition
2. Anaerobic decomposition
3. Thermolysis
4. Thermal decomposition
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Question 72 : Which gasifier has better tar converting capacity?
1. Counter current gasifier
2. Cross draught gasifier
3. Co-current gasifier
4. Fluidized bed gasifier
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Question 73 : What is Ethanol called?
1. Phenol
2. Alcohol
3. Amino acid
4. Butanol
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Question 74 : What type of fire system is used in Bio power?
1. Hand firing
2. Mechanical stoke firing
3. Direct firing
4. Indirect firing
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Question 75 : What is the major disadvantage of batch plants?
1. Their output is not steady
2. Comes to frequent breakdown
3. They are not efficient
4. They are very costly
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Question 76 : Where was fixed dome concept plant developed?
1. China
2. America
3. India
4. Japan
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Question 77 : With a mesophilic flora digestion precedes best at what temperature?
1. 30 - 40^oC
2. 65 - 75^oC
3. 10 - 30^oC
4. 10 -15^oC
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Question 78 : Which of the following salt group is stimulatory or toxic in action?
1. Sodium, potassium, calcium and magnesium
2. Copper, zinc, sodium and magnesium
3. Copper, calcium, magnesium and potassium
4. Sodium, magnesium, zinc, and potassium
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Question 79 : How is the outlet pipe of KVIC made?
1. Cement mortar
2. Asbestos cement concrete
3. White cement
4. PVC
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Question 80 : Indian fixed dome digesters are designed for holding what pressure capacity?
1. 0 - 90 cm of water column
2. 70 - 90 cm of water column
3. 50 - 65 cm of water column
4. 10 - 25 cm of water column
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