Design Electrical Machines Design Steps Considerations 1 Online Exam Quiz
Design Electrical Machines Design Steps Considerations 1 GK Quiz. Question and Answers related to Design Electrical Machines Design Steps Considerations 1. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Design Steps Considerations 1
What is the range of length of the magnet in the PMDC motors?
Options
A : 2.5-4 cm
B : 2-3 cm
C : 2.5-3 cm
D : 1.5-4 cm
What should be the minimum value of the ratio of the magnetic to electric loading?
Options
A : 40
B : 30
C : 50
D : 60
What should be the range of the product of the magnetic field and magnetic flux density?
Options
A : 4-4.5 * 106
B : 4-4.3 * 106
C : 4.3-4.6 * 106
D : 4.2-4.5 * 106
How many design steps are present in the design of PMDC motors?
Options
A : 8
B : 9
C : 10
D : 11
What is the formula for the area of the magnet in the design of PMDC motors?
Options
A : area of magnet = flux * 4.95 * residual flux density
B : area of magnet = flux / 4.95 * residual flux density
C : area of magnet = flux * 4.95 / residual flux density
D : area of magnet = 1/flux * 4.95 * residual flux density
What is the relation between axial dimension and the area of the magnet?
Options
A : area of the magnet is directly proportional to the axial dimension
B : area of the magnet is indirectly proportional to the axial dimension
C : area of the magnet is directly proportional to the square of the axial dimension
D : area of the magnet is indirectly proportional to the square of the axial dimension
What is the formula for the armature resistance?
Options
A : armature resistance = running armature resistance / 1.0 to 1.0
B : armature resistance = running armature resistance * 1.3 to 1.5
C : armature resistance = running armature resistance * 1.4 to 1.5
D : armature resistance = running armature resistance / 1.3 to 1.3
What is the relation between the flux and the no local speed?
Options
A : flux is directly proportional to the no local speed
B : flux is indirectly proportional to the no local speed
C : flux is directly proportional to the square of the no local speed
D : flux is indirectly proportional to the square of the no local speed
What is the formula of the length of the magnet?
Options
A : length of the magnet = sum of the volume of air gap and magnet * Area of the magnet + 0.06
B : length of the magnet = sum of the volume of air gap and magnet / Area of the magnet + 0.06
C : length of the magnet = sum of the volume of air gap and magnet / Area of the magnet – 0.06
D : length of the magnet = sum of the volume of air gap and magnet * Area of the magnet – 0.06
What is the formula for the length of the stator slots?
Options
A : length of the stator slots = 2 * perimeter of one magnet
B : length of the stator slots = 1/2 * perimeter of one magnet
C : length of the stator slots = 1/3 * perimeter of one magnet
D : length of the stator slots = 3 * perimeter of one magnet
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