Dc Machines Lap Winding Online Exam Quiz
Dc Machines Lap Winding GK Quiz. Question and Answers related to Dc Machines Lap Winding. MCQ (Multiple Choice Questions with answers about Dc Machines Lap Winding
Value of commutator pitch in lap winding is_____
Options
A : +2
B : +1 or -1
C : -2
D : Different for different parameters
What is the symmetry requirement of lap winding?
Options
A : 2C/P= 0
B : 2C/P= integer
C : 2C/P= non-integer
D : Can’t express mathematically
What is the value of Yf for a lap winding with a 4-pole, 12-slot armature with two coil sides/slot? (Assume single-turns coils – progressive winding)
Options
A : 3
B : 5
C : 7
D : 9
What is the value of Yb for a lap winding with a 4-pole, 12-slot armature with two coil sides/slot. Assume single-turns coils.
Options
A : 3
B : 5
C : 7
D : 9
What is the relation between number of parallel paths(A) and number of poles(P)?
Options
A : A = P
B : A < P
C : A > P
D : No relation exists
Resultant pitch in the lap winding is__________
Options
A : Depends on Yb value
B : Depends on Yf value
C : Depends on Yb and Yf value
D : Always equal to 2
Equalizer rings are needed in lap winding.
Options
A : False
B : True
C :
D :
Current flowing through the armature conductors Ic is related to total current Ia by_______
Options
A : Ic = A Ia
B : Ic = Ia/A
C : Ic = A2 Ia
D : Ic = A/Ia
What is the condition of retrogressive winding?
Options
A : Yb > Yf
B : Yb < Yf
C : Yb = Yf
D : No condition in bterms of Yb and Yf
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