(Paper) Basic Electrical Engineering, May/June-2001 (MG University)
MG
University Time: Three Hours Maximum: 100 Marks |
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Answer
all questions
Each question carries 4 marks each |
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1 |
State and explain Kirchoff's voltage law. |
2 |
State and explain Faraday’s Laws of Electromagnetic Induction. |
3 |
Explain the concepts of phase and phase difference. |
4 |
Discuss the stator parts of a D.C. machine briefly. |
5 |
Discuss the cooling of transformers. |
6 |
State the principle of operation of a 3–phase induction motor. |
7 |
Discuss the application of moving iron instruments. |
8 |
Discuss the working of a mercury vapour lamp. |
9 |
Discuss the electric supply system for traction in India. |
10 |
Discuss the advantages and disadvantages of overhead distribution systems. |
Part
B |
|
11 |
a)
Discuss the concept of electric current flow, electromotive force and
power conversion. |
Or |
|
12 |
a)
Discuss the production of statically and dynamically induced EMF. |
13 |
a)
Discuss the importance of RMS value of an AC wave? What is form factor? |
Or |
|
14 |
a)
Discuss the features of a balanced three phase system. |
15 |
a)
Derive the EMF equation of a D.C. Generator. |
Or |
|
16 |
a)
What are the losses in transformer? How these can be experimentally
determined? |
17 |
a)
Explain with neat sketches the working of moving coil instruments. |
Or |
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18 |
a)
Discuss the working and parts of the induction type energy meter. |
19 |
a)
Compare hydro-electric and thermal power generations. |
Or |
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20 |
a)
What are the criteria for selection of a distribution voltage? |