Interview question based on skill :
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Total Questions: 20
1. The difference between structure of the bio diesel and the regular diesel is an ester group.
Correct Answer is : TRUE
2. The first diesel engine run on ___________
Correct Answer is : Vegetable oil
3. The vegetable oil __________times larger than the normal diesel molecule.
Correct Answer is : 3
4. The transesterification is done in presence of methanol, NaOH and__________
Correct Answer is : KOH
5. If the traces of water is left in the vegetable oil then ________ is formed.
Correct Answer is : Soap
6. Fuels cell is an electrochemical device that converts the chemical energy into the ___________
Correct Answer is : Mechanical energy
7. Fuel cells are characterized by the ____________
Correct Answer is : High efficiency
8. The hydrogen-oxygen fuel cell consists of the _________ inert porous electrodes.
Correct Answer is : Two
9. The hydrogen-oxygen fuel cells have electrolyte solution of 2.5% __________
Correct Answer is : KOH
10. From cathode ___________ gas is bubbled in hydrogen-oxygen cell.
Correct Answer is : Oxygen
11. The standard emf of the hydrogen-oxygen fuel is ____________
Correct Answer is : 1.23V
12. The oxygen fuel cells are used for the space crafts mostly because of their __________
Correct Answer is : Light weight
13. Noise and thermal pollution is __________ for fuel cells.
Correct Answer is : Low
14. The percentage of the energy conversion of the fuel cells is about ____________
Correct Answer is : 75-82
15. Fuel cells offer an excellent method for the use of the _________
Correct Answer is : Fossil fuels
16. The life time of the fuel cells is __________
Correct Answer is : Not known
17. The distribution of hydrogen in the fuel cells is proper.
Correct Answer is : FALSE
18. In methyl alcohol-oxygen alkaline fuel cell ___________ is used as the fuel.
Correct Answer is : CH3OH
19. Porous nickel electrode coated with ________ is used as catalyst in methyl alcohol-oxygen alkaline fuel cell.
Correct Answer is : Silver
20. Methanol fuel cells are reasonably _________
Correct Answer is : Stable at all conditions
