51. |
While designing a three-phase induction motor. To keep Iron Losses & Magnetizing MMF within the limit. Flux density in the Rotor Core should not exceed the ______ Wb/m2
|
||||||||
Answer:
Option (c) |
52. |
While designing a three-phase induction motor. What is the permissible limit of core flux density?
|
||||||||
Answer:
Option (d) |
53. |
Flux in the rotor core section ∅π =
|
||||||||
Answer:
Option (b) |
54. |
In the design of a three-phase induction motor. The Inside Diameter of rotor lamination can be calculated as
|
||||||||
Answer:
Option (b) |
55. |
In the design of a wound rotor three-phase induction motor. Which of the following must be assumed to identify numbers of rotor slot?
|
||||||||
Answer:
Option (a) |
56. |
In the design of a wound rotor three-phase induction motor. The value of rotor slots per pole per phase depends on
|
||||||||
Answer:
Option (a) |
57. |
In the design of a wound rotor three-phase induction motor. The value of rotor slots per pole per phase for fraction slot winding is selected between
|
||||||||
Answer:
Option (c) |
58. |
In the design of a three-phase induction motor. The number of rotor slots should never be __________ the number of stator slots
|
||||||||
Answer:
Option (c) |
59. |
Normally ___________ slot used in slip ring rotor of three-phase IM.
|
||||||||
Answer:
Option (c) |
60. |
In the design of a wound rotor three-phase induction motor. The Slip-ring rotor has _____________ .
|
||||||||
Answer:
Option (a) |