<p> EXAMINATION BRANCH QUESTION BANK Name of the branch: EEE Year & Sem:IV&I</p><p>Name of the subject: UTILIGATION OF ELECTRICAL ENERGY (UEE) </p><p>Name of the faculty, Designation & Mobile number: P.Sampath Kumar Asst.prof &9441743211 </p><p>Date of Examination: Academic Year: 2017-18</p><p>NOTE: All the faculty requested to use Question Style - Calibri and Size - 12</p><p>UNIT-I</p><p>APPEARED IN MARKS S.N0 QUESTION (R05,R07, Assigned R09, R13)</p><p>1 State different types of drives and give three advantages and disadvantages of any one R09 05 Describe the selection of various types of motors for the following services 2 i)Rolling mills ii)cranes and lifts iii)Textile machinery iv) Printing machine and v) Household applications R05 05 Compare the characteristics of DC series and shunt motor 3 R09 05 4 What is an electric drive? What are its advantages? Compare a group drive and An individual drive. RO7 05 R09 5 Explain what is mean by individual drive and Group drive discuss their Relative merits and demerits? 5 Through a.c is superior to d.c for electric drives, sometimes d .c. is 6 preferred. Give the reasons and mention some of the applications R13 5 Discuss how different parameters of speed -Time curve will vary with the 7 type Of train service. R13 5 8 Explain what is mean by Load Equalization and how it is accomplished? R09 5 9 Discuss the various factors governing the choice of motors R13 5 Explain the various factors that affect the final temperature rise of a motor 10 On load? R09 5 11 Discuss the running characteristics of any two electric motors R13 5 12 Discuss the selection criterion of a motor for a drive application. R09 5 13 Explain the various methods of speed control of AC motors. R13 5 Compare the slip ring and squirrel cage induction motors from the 14 application 5 15 Derive the equations of heat time curve and cool time curve? R09 5</p><p>UNIT-II</p><p>APPEARED IN (R05,R07, MARKS S.N0 QUESTION R09, R13) Assigned a) Discuss the various modes of heat dissipation 1 b) Briefly explain the different methods of electric heating? R13</p><p>What is electric 5 heating? What are 2 the advantages over other methods of Heating? R09 5 Explain the theory of dielectric heating and state its applications. what are 5 the advantages of dielectric heating? R09</p><p>Explain the principal of operation of induction 3 heating and state and 4 explain different type‘s induction heating methods? R09 </p><p>5 Describe briefly the R09 5 methods of direct and indirect resistance heating and list The applications of these two methods?</p><p>What are the various 6 types of induction furnace? R13</p><p>How will you control most efficiently the 7 heat of resistance furnace? R13</p><p>What advantages does graphite 8 electrode process over carbon electrode? R09</p><p>Explain in brief how heating is done in the following cases? 9 i) Resistance heating, ii)Induction heating iii) R13 Dielectric heating.</p><p>Explain the difference between carbon and 10 metallic arc weldings. Give their relative merits and demerits. R09</p><p>Explain the different methods of electric 11 welding and their relative advantages? R09 5</p><p>What is the fundamental difference between the 12 electric arc welding and the resistance welding? R07 5</p><p> a) Describe the various types of electric Arc welding process? 13 (b)Why AC is more suitable for the resistance welding? R05 5 5 a)Describe the various methods of current flow control in welding transfo me 14 s b) Describe butt welding and its various applications. R09 </p><p>15 What are the types of R09 5 electrodes used for welding operation? Give the advantages of coated electrodes.</p>