Basic Electrical Engineering Star Delta Transformation Online Exam Quiz
Basic Electrical Engineering Star Delta Transformation GK Quiz. Question and Answers related to Basic Electrical Engineering Star Delta Transformation. MCQ (Multiple Choice Questions with answers about Basic Electrical Engineering Star Delta Transformation
Find the equivalent resistance between X and Y.
Options
A : 3.33 ohm
B : 4.34 ohm
C : 5.65 ohm
D : 2.38 ohm
Find the equivalent resistance between A and B.
Options
A : 32ohm
B : 31ohm
C : 30ohm
D : 29ohm
If a 1ohm 2ohm and 32/3ohm resistor is connected in star, find the equivalent delta connection.
Options
A : 34 ohm, 18.67 ohm, 3.19 ohm
B : 33 ohm, 18.67 ohm, 3.19 ohm
C : 33 ohm, 19.67 ohm, 3.19 ohm
D : 34 ohm, 19.67 ohm, 3.19 ohm
If an 8/9ohm, 4/3ohm and 2/3ohm resistor is connected in star, find its delta equivalent.
Options
A : 4ohm, 3ohm, 2ohm
B : 1ohm, 3ohm, 2ohm
C : 4ohm, 1ohm, 2ohm
D : 4ohm, 3ohm, 1ohm
Find the equivalent delta circuit.
Options
A : 9.69 ohm, 35.71 ohm, 6.59 ohm
B : 10.69 ohm, 35.71 ohm, 6.59 ohm
C : 9.69 ohm, 34.71 ohm, 6.59 ohm
D : 10.69 ohm, 35.71 ohm, 7.59 ohm
Which, among the following is the correct expression for star-delta conversion?
Options
A : R1=Ra*Rb/(Ra+Rb+Rc), R2=Rb*Rc/(Ra+Rb+Rc), R3=Rc*Ra/(Ra+Rb+Rc)b)
B : R1=Ra/(Ra+Rb+Rc), R2=Rb/(Ra+Rb+Rc), Rc=/(Ra+Rb+Rc)
C : R1=Ra+Rb+Ra*Rb/Rc, R2=Rc+Rb+Rc*Rb/Ra, R3=Ra+Rc+Ra*Rc/Rb
D : R1=Ra*Rb/Rc, R2=Rc*Rb/Ra, R3=Ra*Rc/Rb
Ra is resistance at A, Rb is resistance at B, Rc is resistance at C in star connection. After transforming to delta, what is resistance between A and C?
Options
A : Ra+Rb+Ra*Rb/Rc
B : Ra+Rc+Ra*Rc/Rb
C : Ra+Rb+Ra*Rc/Ra
D : Ra+Rc+Ra*Rb/Rc
Ra is resistance at A, Rb is resistance at B, Rc is resistance at C in star connection. After transforming to delta, what is resistance between A and B?
Options
A : Rc+Rb+Ra*Rb/Rc
B : Ra+Rb+Ra*Rc/Rb
C : Ra+Rb+Ra*Rb/Rc
D : Ra+Rc+Ra*Rc/Rb
Ra is resistance at A, Rb is resistance at B, Rc is resistance at C in star connection. After transforming to delta, what is resistance between B and C?
Options
A : Rc+Rb+Rc*Rb/Ra
B : Rc+Rb+Ra*Rb/Rc
C : Ra+Rb+Ra*Rc/Rb
D : Rc+Rb+Rc*Ra/Rb
Delta connection is also known as____________
Options
A : Y-connection
B : Mesh connection
C : Either Y-connection or mesh connection
D : Neither Y-connection nor mesh connection
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