Design Electrical Machines Design Wound Rotor Online Exam Quiz
Design Electrical Machines Design Wound Rotor GK Quiz. Question and Answers related to Design Electrical Machines Design Wound Rotor. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Design Wound Rotor
What is the range of the rotor voltage for the large machines?
Options
A : 1000-1500 V
B : 1000-1750 V
C : 500-1500 V
D : 1000-2000 V
How many types of design of wound rotors are available?
Options
A : 2
B : 3
C : 4
D : 5
What is the formula for the full load rotor mmf?
Options
A : 65% of stator mmf
B : 75% of stator mmf
C : 85% of stator mmf
D : 90% of stator mmf
How should the rotor voltage be with respect to the high voltage and large machines?
Options
A : low
B : moderate
C : high
D : very high
How should the number of slots be in the case of fractional slot windings?
Options
A : multiples of slots
B : multiple of phases
C : multiple of phases and pair of poles
D : multiples of pair of poles
What type of winding is made use of for the large motors?
Options
A : mush windings
B : bar type windings
C : cross windings
D : rounded windings
What type of winding is made use of for the small motors?
Options
A : mush windings
B : cross windings
C : interconnected windings
D : rounded windings
What should be done to keep the rotor voltage to an acceptable level?
Options
A : rotor to stator turns must be properly adjusted
B : stator to rotor turns must be properly adjusted
C : stator turns must be adjusted
D : rotor turns must be adjusted
What is the formula for rotor turns per phase?
Options
A : rotor turns per phase = (winding factor for stator/winding factor for rotor) * (Rotor voltage per phase/Stator voltage per phase) * Number of turns per phase for stator
B : rotor turns per phase = (winding factor for stator/winding factor for rotor) / (Rotor voltage per phase/Stator voltage per phase) * Number of turns per phase for stator
C : rotor turns per phase = (winding factor for stator/winding factor for rotor) * (Rotor voltage per phase/Stator voltage per phase) / Number of turns per phase for stator
D : rotor turns per phase = (winding factor for stator/winding factor for rotor) / (Rotor voltage per phase/Stator voltage per phase) / Number of turns per phase for stator
What type of conductor is chosen for the small motors?
Options
A : round
B : bar
C : skewed
D : rectangular
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