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Biomass interview questions part 2
Biomass interview questions part 2
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Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. The difference between structure of the bio diesel and the regular diesel is an ester group.
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
2. The first diesel engine run on ___________
A. Bio diesel
B. Regular diesel
C. Vegetable oil
D. Petrol
Show Correct Answer
Correct Answer is :
Vegetable oil
3. The vegetable oil __________times larger than the normal diesel molecule.
A. 1
B. 2
C. 3
D. 4
Show Correct Answer
Correct Answer is :
3
4. The transesterification is done in presence of methanol, NaOH and__________
A. KOH
B. Ca(OH)2
C. Mg(OH)2
D. Na(OH)2
Show Correct Answer
Correct Answer is :
KOH
5. If the traces of water is left in the vegetable oil then ________ is formed.
A. Diesel
B. Bio diesel
C. Petrol
D. Soap
Show Correct Answer
Correct Answer is :
Soap
6. Fuels cell is an electrochemical device that converts the chemical energy into the ___________
A. Electrical energy
B. Mechanical energy
C. Static energy
D. Frictional energy
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Correct Answer is :
Mechanical energy
7. Fuel cells are characterized by the ____________
A. High efficiency
B. High noise levels
C. Vibrations are present
D. No heat transfer
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Correct Answer is :
High efficiency
8. The hydrogen-oxygen fuel cell consists of the _________ inert porous electrodes.
A. One
B. Two
C. Three
D. Four
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Correct Answer is :
Two
9. The hydrogen-oxygen fuel cells have electrolyte solution of 2.5% __________
A. KOH
B. NaOH
C. Na(OH)2
D. Mg(OH)2
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Correct Answer is :
KOH
10. From cathode ___________ gas is bubbled in hydrogen-oxygen cell.
A. Hydrogen
B. Oxygen
C. Nitrogen
D. Chlorine
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Correct Answer is :
Oxygen
11. The standard emf of the hydrogen-oxygen fuel is ____________
A. 1V
B. 1.23V
C. 1.52V
D. 2V
Show Correct Answer
Correct Answer is :
1.23V
12. The oxygen fuel cells are used for the space crafts mostly because of their __________
A. Light weight
B. Heavier weight
C. Efficiency
D. Noise levels
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Correct Answer is :
Light weight
13. Noise and thermal pollution is __________ for fuel cells.
A. High
B. Low
C. Moderate
D. Zero
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Correct Answer is :
Low
14. The percentage of the energy conversion of the fuel cells is about ____________
A. 20-30
B. 45-52
C. 75-82
D. 82-95
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Correct Answer is :
75-82
15. Fuel cells offer an excellent method for the use of the _________
A. Chemicals
B. Fossil fuels
C. Bio fuels
D. Any fuels
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Correct Answer is :
Fossil fuels
16. The life time of the fuel cells is __________
A. 10 years
B. 20 years
C. 30 years
D. Not known
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Correct Answer is :
Not known
17. The distribution of hydrogen in the fuel cells is proper.
A. TRUE
B. FALSE
C.
D.
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Correct Answer is :
FALSE
18. In methyl alcohol-oxygen alkaline fuel cell ___________ is used as the fuel.
A. CH3OH
B. CH3COOH
C. O2
D. O3
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Correct Answer is :
CH3OH
19. Porous nickel electrode coated with ________ is used as catalyst in methyl alcohol-oxygen alkaline fuel cell.
A. Copper
B. Silver
C. Gold
D. Antimony
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Correct Answer is :
Silver
20. Methanol fuel cells are reasonably _________
A. Stable at all conditions
B. Unstable at all conditions
C. Stable at some conditions
D. Unstable at some conditions
Show Correct Answer
Correct Answer is :
Stable at all conditions
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