Design Electrical Machines Design Field Winding 1 Online Exam Quiz
Design Electrical Machines Design Field Winding 1 GK Quiz. Question and Answers related to Design Electrical Machines Design Field Winding 1. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Design Field Winding 1
What is the thickness of the layers of Class F insulation and what material is layers made of?
Options
A : 0.18 mm, asbestos paper
B : 0.10 mm, asbestos paper
C : 0.18 mm, thick epoxy treated asbestos paper
D : 0.10 mm, thick epoxy treated asbestos paper
During the pressing and consolidation by how much is the thickness of the interturn insulation reduced to?
Options
A : 0.36 mm to 0.26 mm
B : 0.36 mm to 0.25 mm
C : 0.30 mm to 0.25 mm
D : 0.32 mm to 0.25 mm
What is the thickness of the flanges and what material is used in the flanges?
Options
A : 10 mm thick, resins
B : 10 mm thick, asbestos
C : 15 mm thick, asbestos
D : 10 mm thick, bakelized asbestos
How many layers does the machine with Class F insulation consists of?
Options
A : 2
B : 3
C : 4
D : 5
For machines with Class B insulation, how many layers of inter turn insulation is made use of and what is the distance between the layers?
Options
A : 4, 0.18 mm
B : 3, 0.25 mm
C : 2, 018 mm
D : 2, 0.25 mm
What is the range of the pressure under which the field coils are consolidated?
Options
A : 4-10 MN per m2
B : 3-10 MN per m2
C : 4-12 MN per m2
D : 4-15 MN per m2
What is the range of the exciter voltage in the field coils?
Options
A : 50-100 V
B : 150-300 V
C : 200-400 V
D : 50-400 V
What should be the maximum width of the edge conductors used in the large alternators?
Options
A : 6 mm
B : 5 mm
C : 4 mm
D : 3 mm
What is the lamination material of the pole body and the thickness of the pole body insulation?
Options
A : epoxy resin, 5 mm thick
B : epoxy resin. 4 mm thick
C : asbestos, 4 mm thick
D : asbestos 5 mm thick
What type of coils are made use of for machines with small number of poles?
Options
A : iron wound coils
B : wire wound coils
C : rectangular coils
D : square coils
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