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Green Energy for a Sustainable Future

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1

The efficiency of solid oxide fuel cell is about .............

50 %
80 %
60 %
70 to 80 %

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2

Which of the following fuel cells operate at similar temperature ?

Molten carbonates and Alkali
Alkali and Phosphoric acid
Proton exchange membrane and Molten carbonates
Molten carbonates and Phosphoric acid

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3

Which type of the following fuel cell operates at lowest temperature?

Phosphoric acid
Proton exchange membrane
Molten carbonates and Phosphoric acid
Alkali

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4

In proton exchange membrane (PEM) fuel cell, the operating temperature is about .............

200 degrees C
340 degrees C
80 degrees C
240 degrees C

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5

In proton exchange membrane (PEM) fuel cell, the efficiency is about ............

80 %
70 %
50 to 70 %
40 to 50 %

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6

A .............. electrolyte is used in proton exchange membrane (PEM) fuel cell.

Polymer
Phosphoric acid
Potassium hydroxyde
Monomer

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7

In phosphoric acid fuel cell, the operating temperature is ..................

100 degrees C
200 to 300 %
150 to 200 degrees C
500 degrees C

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8

In phosphoric acid fuel cell, the efficiency ranges from ..............

60 to 80 %
40 to 80 %
80 to 90 %
30 to 40 %

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9

In proton exchange membrane (PEM) fuel cell, ............. is used as catalyst.

Nickel
Platinum
Zinc
Graphite

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10

In phosphoric acid fuel cell, .............. is used as electrode-catalyst.

Platinum
Nickel
Graphite
Zinc

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