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IIT Kanpur
PREVIOUS Attempt:
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CURRENT Attempt:
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Solid Oxide Fuel Cell Converts:
Mechanical to Chemical Energy
Mechanical to Heat Energy
Chemical to Electrical Energy
Chemical to Heat Energy
An oxygen vacancy can be created in ZrO2 by adding:
A trivalent cation
A tetravalent cation
A pentavalent cation
A bivalent anion
In a solid oxide fuel cell, the oxygen ion diffuses from:
Anode to Electrolyte
Anode to Cathode
Cathode to Electrolyte
Cathode to Anode
In a solid oxide fuel cell, the hydrogen ion diffuses from:
Anode to Electrolyte
Anode to Cathode
Cathode to Electrolyte
Cathode to Anode
Total resistance of grain, grain boundary and electrode in a solid oxide fuel cell is calculated by:
Ionic conductance
Fitting experimental EIS data to a model
Using Ohms Law
Current drawn by the SOFC
In the Nyquist plot, a pure resistor (of resistance R) will appear as a:
Line above R from x-axis
Point at R on x-axis
Line above R from y-axis
Curve of Radius R
In the Nyquist plot, a pure capacitor will appear as a:
Point at R on x-axis
Line above R in y-axis
Line above R in x-axis
Point at R on y-axis
In the Bode plot, a pure resistor (or resistance R) will appear as a:
Point at Resistance R
Line of slope zero
Curve of radius R
Surface with center at R
In the Bode plot, a pure capacitor (or Capacitance C) will appear as a:
Point at Resistance R
Line of slope zero
Line of slope +1
Line of slope -1
Solid Oxide Fuel Cell essentially requires:
Porous ionic conducting electrolyte
Porous electronic conducting electrolyte
Dense ionic conducting electrolyte
Dense electronic conducting electrolyte
Evaluate
Reset
Creep
Nano Indentation
Wetting
Fluorescence Micropscopy
Ionic Conductivity
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