Related Questions

The complete circle diagram of induetion motor can be drawn with the help of data found from
A noload test
B blocked rotor test
C stator resistance test
D all of the above
In the circle diagram for induction motor, the diameter of the circle represents
A Slip
B Rotor current
C Running torque
D Line voltage
The power scale of circle diagram of an induction motor can be found from
A Stator resistance test
B No-load test only
C Short-circuit test only
D None of the above
Which is of the following data is required to draw the circle diagram for an induction motor?
A Block rotor test only
B No load test only
C Block rotor test and no-load test
D Block rotor test, no-load test and stator resistance test
A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is
A Slop speed operation
B High starting torque
C Low windage losses
D All of the above
The circle diagram for an induction motor cannot be used to determine
A Efficiency
B Power factor
C Frequency
D Output
Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . A fly crawls around the outside of a circle once.A second fly crawls around the outside of a square once.Which fly travels further ? (1) The diagonal of the square is equal to the diagonal of the circle.(2) The fly crawling around the circle took more time to complete has journey than the fly cawing around the square.
A A
B B
C C
D D
The radius of circle A is r, and the radius of circle B is 3/4r. What is the ratio of the area of circle A to the area of circle B?
A 16 to 9
B 9 to 16
C 1 to 4
D 4 to 3
When the equivalent circuit diagram of doouble squirrelcage induction motor is constructed the two cages can be considered
A in series
B in parallel
C in series-parallel
D in parallel with stator
When the equivalent circuit diagram of double squirrel-cage induction motor is constructed the two cages can be considered
A In series
B In parallel
C In series-parallel
D In parallel with stator

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