Design Electrical Machines Pulsation Losses Types Leakages Online Exam Quiz
Design Electrical Machines Pulsation Losses Types Leakages GK Quiz. Question and Answers related to Design Electrical Machines Pulsation Losses Types Leakages. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Pulsation Losses Types Leakages
What happens in the rotating electrical machine?
Options
A : armatures are slotted
B : armatures are slotted and results in the movement of rotor
C : the rotor remains stationary
D : the rotor slots are rotating
What is pulsation losses?
Options
A : flux pulsations are caused due to the slotted armature
B : flux pulsations are caused due to the rotation of machine
C : flux pulsation occurs due to rotor slots are rotating
D : flux pulsations occur due to the change in reluctance
How are the pulsation losses aggravated?
Options
A : if the air gap is small compared with slot openings
B : if the air gap is reduced
C : if the air gap is increased
D : if the air gap is made larger than the slot openings
What are the factors the overhang leakage reactance is obtained?
Options
A : length of the overhang
B : diameter of the overhang
C : shape of the overhang
D : length of the overhang along with the shape of the overhang
What is the relation between the overhang specific permeance and the slot pitch?
Options
A : overhang specific permeance is directly proportional to the slot pitch
B : overhang specific permeance is indirectly proportional to the slot pitch
C : overhang specific permeance is directly proportional to the square of the slot pitch
D : overhang specific permeance is indirectly proportional to the square of the slot pitch
What are the factors the permeance depends upon in the zigzag leakage?
Options
A : relative position of stator
B : relative position of rotor
C : relative position of stator and rotor
D : stored energy at any position
What is the formula for the stored energy at any position?
Options
A : stored energy at any position = mmf per slot2 * permeance in a particular position
B : stored energy at any position = 2 * mmf per slot2 * permeance in a particular position
C : stored energy at any position = 1/2 * mmf per slot2 * permeance in a particular position
D : stored energy at any position = 1/3 * mmf per slot2 * permeance in a particular position
In which machine is the pulsation losses considerable?
Options
A : synchronous motors
B : induction motors
C : dc shunt motors
D : dc series motors
In which machine part/parts does the pulsation loss occurs?
Options
A : teeth
B : pole face
C : conductors
D : teeth and pole faces
The overhang leakage reactance depends on the degree of saturation in the ferromagnetic parts.
Options
A : true
B : false
C :
D :
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Design Electrical Machines Operating Characteristics
Design Electrical Machines Output Equation
Design Electrical Machines Overall Dimensions 1
Design Electrical Machines Parameters
Design Electrical Machines Pole Design
Design Electrical Machines Questions Bank
Design Electrical Machines Quiz
Design Electrical Machines Rating Machines
Design Electrical Machines Selection Number Poles
Design Electrical Machines Single Phase Induction Motor Construction