Question 61 : The distribution of hydrogen in the fuel cells is proper.
1. True
2. False
3.
4.
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Question 62 : The _______ is used as the agricultural fertilizer.
1. Bio ethanol
2. Bio ethane
3. Bio methanol
4. Digestrate
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Question 63 : Noise and thermal pollution is __________ for fuel cells.
1. High
2. Low
3. Moderate
4. Zero
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Question 64 : From cathode ___________ gas is bubbled in hydrogen-oxygen cell.
1. Hydrogen
2. Oxygen
3. Nitrogen
4. Chlorine
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Question 65 : If the traces of water is left in the vegetable oil then ________ is formed.
1. Diesel
2. Bio diesel
3. Petrol
4. Soap
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Question 66 : The phosphoric acid fuel cells are used for stationary power generations with output __________
1. 100-200kW
2. 100-150kW
3. 100-300kW
4. 100-400kW
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Question 67 : The electrodes in the phosphoric acid fuel cells is carbon paper coated with dispersed with ________ catalyst.
1. Palladium
2. Platinum
3. Uranium
4. Aluminium
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Question 68 : The hydrogen-oxygen fuel cell consists of the _________ inert porous electrodes.
1. One
2. Two
3. Three
4. Four
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Question 69 : Fuels cell is an electrochemical device that converts the chemical energy into the ___________
1. Electrical energy
2. Mechanical energy
3. Static energy
4. Frictional energy
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Question 70 : Methanol fuel cells are reasonably _________
1. Stable at all conditions
2. Unstable at all conditions
3. Stable at some conditions
4. Unstable at some conditions
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