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Electrical Machines
Induction Machines
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D.C Machines
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Synchronous Machines
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Transformers
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1
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
A stand-alone engine driven Synchronous generator is feeding a partly inductive load. A capacitor is now connected across the load to completely nullify the inductive current. For this operating condition.
A
the field current and fuel input have to be reduced
B
the field current and fuel input have to be increased
C
the field current has to be increased and fuel input left unaltered
D
the field current has to be reduced and fuel input left unaltered
2
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
It is desirable to eliminate 5th harmonic voltage from the phase voltage of an alternator. The coils should be short-pitched by an electrical angle of
A
30°
B
36°
C
72°
D
18°
3
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
Figure shows the magnetization curves of an alternator at rated armature current, unity power factor and also at no load. The magnetization curve for rated armature current, 0.8 power factor leading is given by GATE EE 2001 Electrical Machines - Synchronous Machines Question 75 English
A
curve A
B
curve B
C
curve C
D
curve D
4
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
Xd, Xd' and Xd" are steady stated-axis synchronous reactance, transient d-axis reactance and sub-transient d-axis reactance of a synchronous machine respectively. Which of the following statements is true?
A
Xd > Xd' > Xd"
B
Xd" > Xd' > Xd
C
Xd' > Xd" > Xd
D
Xd > Xd" > Xd'
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Questions Asked from Marks 1
GATE EE 2025 (2) GATE EE 2018 (1) GATE EE 2017 Set 1 (1) GATE EE 2017 Set 2 (1) GATE EE 2014 Set 3 (1) GATE EE 2014 Set 1 (1) GATE EE 2011 (1) GATE EE 2008 (2) GATE EE 2007 (1) GATE EE 2006 (1) GATE EE 2005 (1) GATE EE 2004 (2) GATE EE 2003 (2) GATE EE 2001 (3) GATE EE 2000 (1) GATE EE 1999 (1) GATE EE 1998 (1) GATE EE 1996 (2) GATE EE 1995 (1) GATE EE 1992 (2)
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement