Dc Machines Assessment Online Exam Quiz
Dc Machines Assessment GK Quiz. Question and Answers related to Dc Machines Assessment. MCQ (Multiple Choice Questions with answers about Dc Machines Assessment
Load characteristics drawn at Ra =0 and Ra not equal to 0, will lie _____
Options
A : Above
B : On
C : Below
D : Intersecting
If load characteristics are drawn on OCC itself, we get curve ________
Options
A : Above OCC
B : On OCC
C : Below OCC
D : Intersecting OCC
If suppose OCC is conducted at speed n1, where n1< nrated, OCC will lie ____________
Options
A : Above OCC at nrated
B : On OCC at nrated
C : Below OCC at nrated
D : Can’t comment by only speed information
Open circuit characteristics (OCC) is generally drawn across __________
Options
A : Ea vs If, Ia=constant (not equal to rated)
B : Ea vs If, Ia=0
C : Ea vs If, Ia=constant
D : Ea vs If, Ia=constant (rated)
Why No-load or load characteristics are also called as magnetization characteristics?
Options
A : Ea ? If
B : Ea ? ?
C : If ? ?
D : Cannot be determined
Characteristics of a DC generator drawn across Vt vs If at rated armature current and constant speed, is called as ____________
Options
A : Load characteristics
B : No-load characteristics
C : External characteristics
D : Armature characteristics
Characteristics drawn at Ia = 0 is also called as ____________
Options
A : Magnetization characteristics
B : Non-magnetization characteristics
C : Anti-magnetization characteristics
D : Cannot be determined
OCC is drawn at two different speeds both less than rated speed. OCC drawn at speed N1 lies below OCC drawn at speed N2. Which of the following relation is correct?
Options
A : N2 = N1
B : N2 < N1
C : N2 >> N1
D : Can’t comment
Ea can be determined using __________
Options
A : No-load characteristics
B : Load characteristics
C : Cannot be determined
D : Above OCC
Which of the following is not the operating characteristics of Dc generator?
Options
A : No-load characteristics
B : Load characteristics
C : External characteristics
D : Internal characteristics
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