Design Electrical Machines Construction Hydro Generators 1 Online Exam Quiz
Design Electrical Machines Construction Hydro Generators 1 GK Quiz. Question and Answers related to Design Electrical Machines Construction Hydro Generators 1. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Construction Hydro Generators 1
What is the thickness of the most commonly used grade for stator laminations?
Options
A : 0.5 mm
B : 1 mm
C : 1.5 mm
D : 2 mm
How many factors are involved in the construction of hydro-generators?
Options
A : 11
B : 10
C : 9
D : 8
What is the range of the outside diameter of the stator frame of the large hydro-generator?
Options
A : 3-18 m
B : 2-18 m
C : 3.5-18 m
D : 4-18 m
How many steel brackets are used along with the support to steel rings?
Options
A : 5
B : 7
C : 4-6
D : 5-9
What should be done to the conductors in the overhang of the stator?
Options
A : bracing
B : shaving
C : punching
D : compressing
What among the following is the advantages of the star connection?
Options
A : eliminates single frequency harmonics
B : eliminates double frequency harmonics
C : eliminates triple frequency harmonics
D : eliminates sinusoidal harmonics
What factors does the speed of the machines depend upon?
Options
A : head
B : blades
C : type of turbine used
D : head and type of turbine used
What is the main advantage of a winding with multi-turns coils?
Options
A : reduce the choosing of the value of stator slots
B : allows greater flexibility in selecting the value of stator slots
C : increases the flexibility in selecting the number of stator slots
D : has no effect on the number of stator slots
Which factor does the constructional feature of the hydro-generators depend on?
Options
A : speed
B : voltage
C : power
D : current
How are the stator windings of all synchronous generator connected?
Options
A : star-delta connection
B : star connection
C : star connection with neutral earthed
D : delta connected
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