Important RGPV Question
EX- 603 (A) Utilization of Electrical Engineering
VI Sem, EX
UNIT 1- Illumination Engineering
Q.1) Describe the working of fluorescent lamps with the help of circuit diagram, explain function of each part.
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Q.2) Derive the relation between plane angle and solid angle.
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Q.3) List the types of lighting schemes. Explain the factors to be considered for designing the lighting scheme.
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Q.4) Explain the laws of illumination.
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Q.5) What is solid angle? What is flood lighting and where it is used?
Q.6) Explain terms:
i) Glare
ii) Reflection
iii) Solid angle
Q.7) Describe the working of fluorescent lamps with help of circuit diagram, explain function of each part.
Q.8) What is Flood Lighting? Explain the projectors used and also describe factors used in flood lighting calculations.
UNIT 2- Heating, Welding And Electrolysis
Q.1) List the advantages of electric heating, explain lossless type or high frequency induction furnace.
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Q.2) Explain electron beam welding method.
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Q.3) Explain in brief Arc welding and resistance welding.
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Q.4) Explain the basic principle of electrolysis. What is electroplating and what for it is done?
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Q.5) Give the induction heating operating principle and the application and with their limitation.
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Q.6) What is dielectric heating? Explain factors on which the dielectric loss in a dielectric material depends?
Q.7) What is Induction heating? Explain high frequency induction furnace with its advantages.
Q.8) What are the advantages of electric heating?
Q.9) State the advantages of electric heating over other types of heating.
Q.10) What is Electroplating? Explain the operation involved in electroplating.
UNIT 3- Traction
Q.1) Draw the general speed time curve of train running on main line and explain.
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Q.2) Explain dead weight, acceleration weight and train resistance referred to traction.
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Q.3) Explain the factors affecting specific energy consumption.
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Q.4) Explain why a DC series motor is ideally suited for traction purpose.
Q.5) What is the Tractive effort? Explain tractive effort for propulsion of train.
Q.6) Why series motor is suitable for traction duties, explain with the help of characteristics curves.
Q.7) Draw and explain the layout of 25kV A.C traction system.
UNIT 4- Electric Drives
Q.1) Explain the calculation of electrical loads for air condition.
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Q.2) What are the advantages of electric drive over all other drives? Explain in brief the selection of motor drive for particular application.
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Q.3) Differentiate between group drive and individual drive.
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Q.4) What is an electric drive? Why electrical drive produces noise?
Q.5) Explain regenerative braking in electric motors?
Q.6) Explain what is mean by Load Equalization and how it is accomplished?
Q.7) What do you mean by braking? Explain with example.
Q.8) Discuss the electric braking in electric motors.
Q.9) Explain the calculation of electrical loads for air conditioning.
Q.10) Explain the criteria for selection of electric motors for industrial application.
UNIT 5- Introduction To Electric And Hybrid Vehicles
Q.1) Write a short note on hybrid vehicles.
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Q.2) What type of transmission system is used in electrical vehicle?
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Q.3) Write short notes on Hybrid vehicle.
Q.4) What type of transmission system used in electric vehicle?
Q.5) Explain in detail with the help of block diagram the operation of an electrical vehicle?
Extra Questions-
Q.1) rite short note on any two of the following:
a) Arc welding
b) Resistance welding
c) Importance of adhesive weight and co-efficient of
adhesion
d) Hybrid vehicle
— Best of Luck for Exam —
