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Fuel cells



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Q1. Which of the following are the common ways to produce H2 gas in a fuel cell?

(a) Coal and biomass gasification
(b) Electrolysis and absorption
(c) Steam reforming and electrolysis
(d) Electromagnetism and steam reforming

Q2. Which of the following statements regarding fuel cells is false?

(a) Because of continuous supply, fuel cells never become dead
(b) They do not cause pollution
(c) Fuel cells have 100% efficiency practically
(d) The cost of catalysts needed for the electrode reactions is high

Q3. What is the maximum theoretical energy efficiency of a fuel cell?

(a) 100%
(b) 69%
(c) 50%
(d) 83%

Q4. Who invented the first fuel cell?

(a) Francis Bacon
(b) Thomas Grubb
(c) Leonard Niedrach
(d) William Grove

Q5. Which of the following is supplied to the cathode of a fuel cell?

(a) Hydrogen
(b) Nitrogen
(c) Oxygen
(d) Chlorine

Q6. Which of the following is not produced in an H2-O2 fuel cell?

(a) Electricity
(b) Pollutants
(c) Heat
(d) Water

Q7. Which of the following is not a fuel cell?

(a) PEM cell
(b) Direct methanol cell
(c) Solid oxide cell
(d) Daniell cell

Q8. Which of the following can be used as fuel in a fuel cell?

(a) Nitrogen
(b) Argon
(c) Hydrogen
(d) Helium

Q9. Which of the following is used as an electrolyte in an H2-O2 fuel cell?

(a) KOH
(b) NH4OH
(c) Fe(OH)2
(d) Cu(OH)2

Q10. A fuel cell is a type of electrochemical cell.

(a) True
(b) False
(c)
(d)


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245 Year Ago

Assertion : Gases Combine In Simple Ratio Of Their Volume But, Not Always. Reason : Gases Deviate From Ideal Behaviour.

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752 views

A Sample Of Phosphorus Trichloride (PCL3) Contains 1.4 Moles Of The Substance. How Many Atoms Are There In Atoms Sample

Modified 246 Year Ago Sangeeta

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Sangeeta
246 Year Ago

A Sample Of Phosphorus Trichloride (PCL3) Contains 1.4 Moles Of The Substance. How Many Atoms Are There In Atoms Sample

0 votes
0 Answer
636 views

The Significant Figures In 34.00 Are

Modified 245 Year Ago Sangeeta

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Sangeeta
245 Year Ago

The Significant Figures In 34.00 Are

0 votes
0 Answer
479 views

The Passege Of Current Liberates H2 At Cathode And CL2 At Anode. The Solution Is

Modified 239 Year Ago

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239 Year Ago

The Passege Of Current Liberates H2 At Cathode And CL2 At Anode. The Solution Is

0 votes
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466 views

Assertion : Atoms Can Neither Be Created Nor Destroyed. Reason : Under Similar Condition Of Temperature And Pressure, Equal Volume Of Gases Does Not Contain Equal Number Of Atoms.

Modified 245 Year Ago

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245 Year Ago

Assertion : Atoms Can Neither Be Created Nor Destroyed. Reason : Under Similar Condition Of Temperature And Pressure, Equal Volume Of Gases Does Not Contain Equal Number Of Atoms.

0 votes
0 Answer
398 views

In Br3O8 Compound, Oxidation Number Of Bromine Is

Modified 7 Year Ago

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7 Year Ago

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0 votes
0 Answer
398 views

Assertion : A Certain Element X, Forms Three Binary Compounds With Chlorine Containing 59.68%, 68.95% And 74.75% Chlorine Respectively. Reason : According To Law Of Multiple Proportions, The Relative

Modified 245 Year Ago

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245 Year Ago

Assertion : A Certain Element X, Forms Three Binary Compounds With Chlorine Containing 59.68%, 68.95% And 74.75% Chlorine Respectively. Reason : According To Law Of Multiple Proportions, The Relative

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