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1
GATE EE 1994
MCQ (Single Correct Answer)
+1
-0.3
When a transformers winding suffers a short-circuit, the adjoining turns of the same winding experience
A
an attractive force
B
a repulsive force
C
no force
D
none of the above
2
GATE EE 1994
MCQ (Single Correct Answer)
+1
-0.3
Two transformers of identical voltage but of different capacities are operating in parallel. For satisfactory load sharing
A
impedances must be equal
B
per-unit impedances must be equal
C
per-unit impedances and $${X \over R}$$ ratios must be equal
D
impedances and $${X \over R}$$ ratios must be equal
3
GATE EE 1992
MCQ (Single Correct Answer)
+1
-0.3
Two transformers of the same type, using the same grade of iron and conductor materials, are designed to work at the same flux and current densities; but the linear dimensions of one are two times those of the other in all respects. The ratio of $$kVA$$ of the two transformers closely equals
A
$$16$$
B
$$8$$
C
$$4$$
D
$$2$$
4
GATE EE 1992
MCQ (More than One Correct Answer)
+1
-0
Two transformers of different $$kVA$$ ratings workings in parallel share the load in proportion to their ratings when their
A
per unit leakage impedances on the same $$kVA$$ base are the same
B
per unit leakage impedances on their respective ratings are equal
C
ohmic values of the leakage impedances are inversely proportional to their ratings
D
ohmic values of the leakage magnetizing reactances are the same
PREVIOUS
GATE EE Subjects
Electromagnetic Fields
Time Varying Fields Electrostatics Magnetostatics
Signals and Systems
Continuous and Discrete Time Signals Linear Time Invariant Systems Continuous Time Signal Fourier Transform Discrete Time Signal Z Transformation Continuous Time Signal Laplace Transform Sampling Theorem Continuous Time Periodic Signal Fourier Series Miscellaneous
Engineering Mathematics
Calculus Vector Calculus Linear Algebra Differential Equations Probability and Statistics Transform Theory Complex Variable Numerical Methods
General Aptitude
Verbal Ability Logical Reasoning Numerical Ability
Power Electronics
Choppers and Commutation Techniques Single and Three Phase Rectifier Power Semiconductor Devices Ac Voltage Controllers Inverters
Power System Analysis
Per Unit System Power Generation Cost Power System Stability Symmetrical Components and Symmetrical and Unsymmetrical Faults Circuit Breaker Switch Gear and Protection Load Flow Studies High Voltage Dc Transmission Generating Power Station Parameters and Performance of Transmission Lines
Analog Electronics
Diode Circuits and Applications Bjt and Mosfet Biasing Small Signal Modeling Feedback Amplifiers and Oscillator Circuits Operational Amplifier Frequency Response 555 Timer
Control Systems
Time Response Analysis Block Diagram and Signal Flow Graph Polar Nyquist and Bode Plot State Variable Analysis Root Locus Techniques Basics of Control System Routh Hurwitz Stability Controller and Compensator
Digital Electronics
Sequential Circuits Microprocessor Boolean Algebra Analog to Digital and Digital to Analog Converter Combinational Circuits Minimization Logic Families and Memories Logic Gates
Electrical Machines
Induction Machines D.C Machines Synchronous Machines Transformers
Electric Circuits
Network Elements Network Theorems Three Phase Circuits Transient Response Sinusoidal Steady State Analysis Graph Theory Two Port Networks
Electrical and Electronics Measurement
Basic of Indicating Instruments Error Analysis and Measurement Measurement of Resistance and A.C Bridges Measurement of Energy and Power Digital Voltmeters Questions Potentiometer and Instrument Transformers Cathode Ray Oscilloscope
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