University Questions with Answers (Long Answered Questions)

University Questions with Answers (Long Answered Questions)

(Regulation 2008)

Dec.-10

Q. 1 Explain the various starting methods used for three phase induction motor. Analyse and compare them. (Section 7.3)     [16]

Q. 2 Explain the rotor rheostat speed control of three phase slip ring induction motor. (Section 7.9)   [8]

May-11

Q. 3 Explain the various starting methods used for three phase induction motor. Analyse and compare them. (Section 7.3)     [16]

Q. 4 Write short notes on : Cascade operation of three phase induction motors. (Section 7.10) [8]

Q. 5 Write a note on slip power recovery scheme. (Section 7.12)        [8]

Dec.-11

Q. 6 Which are the various starters used for three phase induction motors ? Explain star-delta starter in detail. (Section 7.3)   [8]

Q. 7 Explain the autotransformer starter used for three phase induction motors. (Section 7.3) [8]

Q. 8 Write short notes on : Cascade operation of three phase induction motors. (Section 7.10) [8]

Q. 9 Write a note on slip power recovery scheme. (Section 7.12)        [8]

May-12

Q.10 Explain the various starting methods used for three phase induction motor. Analyse and compare them. (Section 7.3)     [16]

Q.11 Describe a starter suitable for a three phase slip-ring induction motor. (Section 7.3)       [8]

Q. 12 Write short notes on : Variable frequency method of speed control of three phase induction motors. (Section 7.5)      [8]

Q. 13 Write short notes on : Cascade operation of three phase induction motors. (Section 7.10) [8]

Dec.-12

Q. 14 Explain the necessity of starter in a three phase induction motor. (Section 7.2)     [6]

Q. 15 Which are the various starters used for three phase induction motors ? Explain star-delta starter in detail. (Section 7.3)   [8]

Q.16 Explain the static Scherbius system of slip power recovery scheme. (Section 7.12)  [16]

May-13

Q. 17 Which are the various starters used for three phase induction motors ? Explain star-delta starter in detail. (Section 7.3,   [8]

Q.18 Write short notes on : Variable frequency method of speed control of three phase induction motors. (Section 7.5)      [8]

Q.19 Explain the pole changing method of controlling the speed of induction motor. (Section 7.7)   [4]

Q.20 Explain the rotor rheostat speed control of three phase slip ring induction motor.(Section 7.10) [8]

Q.21 Describe in detail the slip power recovery scheme of three phase induction motor. (Section 7.12) [8]

Dec.-13

Q. 22 Explain the rotor rheostat speed control of three phase slip ring induction motor. (Section 7.9)   [8]

Q. 23 Describe in detail the slip power recovery scheme of three phase induction motor. (Section 7.12) [8]

May-14

Q. 24 Describe a starter suitable for a three phase slip-ring induction motor. (Section 7.3)      [8]

Q. 25 Describe in detail the slip power recovery scheme of three phase induction motor. (Section 7.12) [8]

Dec.-14

Q. 26 Which are the various starters used for three phase induction motors ? Explain star-delta starter in detail. (Section 7.3)   [8]

Q. 27 Explain the pole changing method of controlling the speed of induction motor. (Section 7.7)   [4]

Q. 28 Describe in detail the slip power recovery scheme of three phase induction motor. (Section 7.12) [8]

(Regulation 2013)

Dec.-15

Q. 29 Explain the method of starting of slip ring induction motor. (Section 7.3.4, [8]

Q. 30 Explain the speed control of a 3 phase induction motor using voltage control and frequency control. (Section 7.5)         [8]

Q. 31 Explain the speed control of 3 phase induction motor with slip power recovery scheme. (Section 7.12)       [16]

May-16

Q. 32 Explain in detail the speed control methods of induction motor. (Sections 7.5 to 7.10) [8]

Q. 33 Explain in detail the Scherbius system of speed control. (Section 7.12)        [8]

Q. 34 Describe a starter available for a 3-phase slip ring induction motor. (Section 7.3.4)      [8]

Dec.-16

Q. 35 Explain the speed control methods of a three phase induction motor. (Sections 7.5 to 7.10, [16]

Q. 36 With neat diagrams, explain the working of i) Star-delta starter ii) Auto transformer starter for 3 phase induction motor. (Sections 7.3.2 and 7.3.3) [16]

May-17

Q. 37 Explain the speed control of 3-phase induction motor with slip power recovery scheme. (Section 7.12)       [16]

Dec.-17

Q. 38 With a neat diagram, explain the working of a star-delta starter for a 3-phase induction motor. (Section 7.3.3)     [8]

Q. 39 Describe the method of speed control of a 3-phase squirrel cage induction motor by changing the number of stator poles and state the applications of this method. (Section 7.7)   [5]

Q. 40 Draw and explain the schematic diagram of a static Kramer variable-speed drive system for a slip ring induction motor, (section 7.11.1)    [7]

Q. 41 Explain the dc dynamic braking of a 3-phase induction motor. (section 7.13.1)   [6]

Q. 42 Explain the V/F control technique in 3<|> IM. (section 7.5)    [15]

May-18

Q. 43 Explain with neat diagram, the working of any two types of starters used for squirrel cage type three phase induction motor. (Section 7.3)     [13]

Q. 44 Explain briefly the various speed control schemas of induction motor. (Section 7.7)          [13]