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B. TECH.
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THEORY EXAMINATION (SEM–VIII) 2016-17
UTILIZATION OF ELECTRICAL ENERGY AND TRACTION
Time: 3 Hours Max. Marks : 100
Note : Be precise in your answer. In case of numerical problem assume data wherever not provided.
SECTION – A
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- Attempt all parts of the following question: 10 x 2 = 20
- What are the various traction systems do you know?
- What is the special advantage of flywheel drive?
- What are the various current collection systems?
- Write any three advantages of electric heating.
- What is arc type heating?
- What are the modes of heat transfer?
- What is Faraday's second law of electrolysis?
- Define refrigeration.
- What is Luminous flux?
- Define Welding.
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SECTION – B
- Attempt any five parts of the following question: 5 x 10 = 50
- What are the laws of illumination and requirement of good lighting?
- Explain any four applications of electrolysis.
- Describe any two types of furnace for induction heating.
- Describe the complete classification of electric heating.
- Explain Air conditioning cycle.
- What are the different systems of track electrification? Also discuss its merits and demerits.
- Explain the principle of linear induction motor.
- What are the advantages of linear induction motor as compared to the rotary induction motor?
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SECTION – C
- Attempt any two parts of the following questions: 2 x 15 = 30
- How direction of rotation of a traction motor is reversed? Explain the working principle of metadyne control of traction motor. Also discuss its merits and demerits.
- Discuss the domestic type refrigerator in detail. What is the main difference between a refrigerator and water cooler and between water cooler and air conditioner?
- Explain induction heating. Explain TIG & MIG. Also discuss plasma arc heating
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