1
GATE EE 1995
Fill in the Blanks
+1
-0
Fringing in capacitive type transducer can be minimized by providing a _________
2
GATE EE 1995
Subjective
+5
-0
The distribution factor for a $$36$$ slot stator with three-phase, $$8$$-pole winding, having $${120^ \circ }$$ phase Spread, is _________
3
GATE EE 1995
MCQ (Single Correct Answer)
+1
-0.3
An induction motor is fed from a balanced three phase supply at rated voltage and frequency through a bank of three single phase transformers connected in delta-delta. One unit of the bank develops fault and is removed. Then
A
single phasing will occur and the machine fails to start
B
single phasing will not occur but the motor terminal voltages will become unbalanced and the machine can be loaded to the extent of 57.7% of its rating.
C
the machine can be loaded to the extent of 57.7% of its rating with balanced supply at its terminals.
D
the machine can be loaded to the extent of $$66\frac23\%$$ with balanced supply at its terminals.
4
GATE EE 1995
Numerical
+1
-0
The percentage impedance of a 100 kVA, 11 kV/400V, delta/wye, 50 Hz transformer is 4.5%. For the circulation of half the full load current during short circuit test, with low voltage terminals shorted, the applied voltage on the high voltage side will be __________.
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