Design Electrical Machines Questions Bank Online Exam Quiz
Design Electrical Machines Questions Bank GK Quiz. Question and Answers related to Design Electrical Machines Questions Bank. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Questions Bank
For what peripheral speed of the machine is the segmental rim on fabricated spider used?
Options
A : >120 m per s
B : <120 m per s
C : >130 m per s
D : <130 m per s
What is the range of the length of the thick rolled sheets used in the rotor design of the hydro generators?
Options
A : 130-180 mm
B : 120-180 mm
C : 150-180 mm
D : 160-190 mm
By how many minutes is the complete energy of the rotating parts and the machine is brought to rest?
Options
A : 2 minutes
B : 1 minute
C : 3 minutes
D : 4 minutes
For what peripheral speed is the poles bolted to the yoke?
Options
A : 20 m per s
B : 30 m per s
C : 25 m per s
D : 27 m per s
What is the range of the peripheral speeds in the water wheel generators?
Options
A : 20 to 80 m per s
B : 20 to 50 m per s
C : 50 to 80 m per s
D : 30 to 70 m per s
In what type of generator is the thick rolled steel discs made use of?
Options
A : generators running at 400 rpm
B : generators running at 500 rpm
C : generators running at 600 rpm
D : generators running at 600 rpm and above
Which machine makes use of the forged steel construction?
Options
A : low speed
B : high speed
C : very high speed
D : medium speed
How are the bearing cooled in the construction?
Options
A : natural cooling
B : forced cooling
C : air cooling
D : oil cooling
What material is used to make the material of the pads of the brakes?
Options
A : pads using asbestos
B : pads using metal wires
C : pads using copper
D : pads using the asbestos interlaced with metal wires.
What factor does the rotor body depends upon in the construction of hydro-generators?
Options
A : speed
B : voltage
C : peripheral voltage
D : power
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