Design Electrical Machines Aptitude Test Online Exam Quiz
Design Electrical Machines Aptitude Test GK Quiz. Question and Answers related to Design Electrical Machines Aptitude Test. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Aptitude Test
What is the value of the constant used in the calculation of the breadth of the ring slot for the diameter of band wire < 1.5 mm?
Options
A : 1 mm
B : 1.5 mm
C : 2 mm
D : 3 mm
What is the range of the width of each band that should not be exceeded?
Options
A : 10-15 mm
B : 15-20 mm
C : 20-25 mm
D : 18-23 mm
What is the diameter of the wire bands made of tin, steel or bronze wire?
Options
A : 2 mm
B : 1 mm
C : 4 mm
D : 3 mm
What is the maximum value above which the total width of the bands should not exceed?
Options
A : 25-35% of the axial length of armature core
B : 30-35% of the axial length of armature core
C : 25-30% of the axial length of armature core
D : 35-40% of the axial length of armature core
What is the maximum width of the bands placed on the end windings of induction machines and high speed dc machines?
Options
A : 30 mm
B : 35 mm
C : 40 mm
D : 45 mm
What is the value of permissible stress for bronze wire for the diameter of branding wire of 1 mm?
Options
A : 350 NM per m2
B : 250 NM per m2
C : 300 NM per m2
D : 450 NM per m2
What is the value of permissible stress for steel wire for the diameter of branding wire of 0.5-1.2 mm?
Options
A : 570 NM per m2
B : 600 NM per m2
C : 650 NM per m2
D : 700 NM per m2
Where are the wire bands placed?
Options
A : active portions of rotor conductors
B : inactive portions of rotor conductors
C : active or inactive portions of rotor conductors
D : active and inactive portions of the rotor conductors
What is the formula for the breadth of the ring slot?
Options
A : breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire – 2*constant
B : breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire + 2*constant
C : breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire * 2*constant
D : breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire / 2*constant
In what machines are the wire bands along the active length of windings placed?
Options
A : dc or ac machines
B : dc and ac machines
C : dc machines
D : ac machines
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