Name of the College : Mahatma Gandhi University
Department : Mechanical Engineering
Subject Code/Name : MMETP 106 – 1/Fuel Cell Technology
Sem : I
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/5095-MMETP%20106%20_%201-i.pdf
Fuel Cell Technology Question Paper :
M-Tech Degree Examination :
First Semester :
Model question paper I
Related / Similar Question Paper : MGU M.Tech Combustion & Emission in I C Engines Question Paper
Branch: Mechanical Engineering
Specialization: Thermal Power Engineering
MMETP 106 – 1 Fuel Cell Technology
(Regular -2013 Admission )
Answer All Questions
Time: 3 hrs
Max. Marks: 100
1. a) Explain Acid and Molten carbonate fuel cell 9 Marks
b) Explain advantages and disadvantages of fuel cell 8 Marks
c) Explain the difference between ordinary batteries and fuel cell. 8
OR
2. Explain Alkaline, Proton exchange membrane and direct methanol fuel cell. 25 Marks
3. a) Explain the Gibbs free energy formation in electro chemical fuel cell 10 Marks
b) Explain basic reaction in fuel cell and enthalpy formation and enthalpy change of reacting system. 15 Marks
OR
4. a) Explain Efficiency and power due to entropy change and internal ohmic heating. 15 Marks
b) Write short note on efficiency of electrochemical energy conversion with factors affecting on it. 10 Marks
5. Write short note on
a) Effect of temperature on free energy change. 9 Marks
b) Effect of pressure on free energy change. 8 Marks
c) Reaction between free energy change in a cell reaction and cell potential. 8 Marks
OR
6. For a voltaic cell Sn(c) Sn 2+(0.150M) ll Pb2+(0.550M)/Pb(s)
a) What is E cell initaly? 5 Marks
b) If the cell is allowed to operate spontaneously will E cell increase, decrease or remain constant with time? 5 Marks
c) What will be E cell when [Pb2+] has fallin to 0.500M? 5 Marks
d) What will be [Sn2+] at the point where Ecell= 0.020V? 5 Marks
e) What are the ion concentration when Ecell=0? 5 Marks
7. a) Explain design considerations and explain stack design. 9 Marks
b) Write short notes on stack cost, life reliability and stack performance. 8 Marks
c) Discus tripolar plate design in the case of solid oxide fuel cell. 8 Marks
OR
8. a) Explain relevance of “water management” in the case of protonexchange membrane in fuel cell. 9 Marks
b) Write short note on micro fuel cells. 8 Marks
c) Explain a lay out of a fuel cell in automobile. 8 Marks
M-Tech Degree Examination :
First Semester :
Model question paper I
Branch : Mechanical Engineering
Specialization : Thermal Power Engineering
MMETP 105 – 3 Direct Energy Conversion Systems : (Regular -2013 Admission )
Answer All Questions
Time : 3 hrs
Max. Marks : 100
1. a) What is called thermoelectric effect. Explain Seebeck, Peltier and Thomson effect. 10 Marks
b) Explain the duality matter? 7 Marks
c) Which are the thermoelectric materials.? Mention its application. 8 Marks
OR
2. a) Explain photo electricity with the help of neat sketch. 15 Marks
b) Explain reversible and irreversible engine with suitable diagram. 10 Marks
3. a) Mension major advantages of solr photovoltaic cells over conventional power system. 8 Marks
b) Write note on solar cell classification. 9 Marks
c) Explain solar cell applications. 8 Marks
OR
4. a) Explain solar cell, module, panel and array constructions. 8 Marks
b) Explain with sketches maximum power point tracker (MPPT) using buck-boost converter. 7 Marks
c) A PV system feeds a DC motor to produce 1hp power at the shaft. The motor efficiency is 85%. Each module has 36 multi crystalline silicon solar cells arranged in 9X4 matrix. The cell size is 125X125mm and cell efficiency is 12%. Calculate the number of modules required in the array. Assuming global radiation incident normally to the panel as 1kW/m2. 10 Marks
5. a)Explain the working principle of thermionic power conversion with the main advantages and disadvantages. 15 Marks
b) Explain Richadson’s equation. 10 Marks
OR
6. a) Explain the basic principles of a magneto hydrodynamic power(MHD) conversion system. 10 Marks
b) With suitable sketch explain open cycle and closed cycle MHD power generating system. 15 Marks
7. a) Explain Acid and Molten carbonate fuel cell 9 Marks
b) Explain advantages and disadvantages of fuel cell 8 Marks
c) Explain the difference between ordinary batteries and fuel cell. 8 Marks
OR
8. a) Explain different methods of production of hydrogen and catalytic steam reforming in details. 15 Marks
b) Explain energy release during Nuclear fusion reaction. 10 Marks