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1
GATE EE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A three-phase, 4-pole, self excited induction generator is feeding power to a load at a frequency $$f_1$$. If the load is partially removed, the frequency becomes $$f_2$$. If the speed of the generator is maintained at 1500 rpm in both the cases, then
A
$$f_1,f_2$$ > 50Hz and $$f_1$$ > $$f_2$$
B
$$f_1$$ < 50Hz and $$f_2$$ > 50Hz
C
$$f_1,f_2$$ < 50Hz and $$f_2$$ > $$f_1$$
D
$$f_1$$ > 50Hz and $$f_2$$ < 50Hz
2
GATE EE 2014 Set 1
Numerical
+1
-0
An 8-pole, 3-phase, 50 Hz induction motor is operating at a speed of 700 rpm. The frequency of the rotor current of the motor in Hz is ________.
Your input ____
3
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
Leakage flux in an induction motor is
A
flux that leaks through the machine
B
flux that links both stator and rotor windings
C
flux that links none of the windings
D
flux that links the stator winding or the rotor winding but not both
4
GATE EE 2012
MCQ (Single Correct Answer)
+1
-0.3
The slip of an induction motor normally does not depend on
A
rotor speed
B
synchronous speed
C
shaft torque
D
core-loss component
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GATE EE Subjects
Electric Circuits
Three Phase Circuits Transient Response Graph Theory Two Port Networks Sinusoidal Steady State Analysis Network Elements Network Theorems
Electromagnetic Fields
Time Varying Fields Electrostatics Magnetostatics
Signals and Systems
Linear Time Invariant Systems Continuous and Discrete Time Signals Continuous Time Signal Fourier Transform Continuous Time Periodic Signal Fourier Series Discrete Time Signal Z Transformation Miscellaneous Continuous Time Signal Laplace Transform Sampling Theorem
Electrical Machines
Induction Machines D.C Machines Synchronous Machines Transformers
Engineering Mathematics
Linear Algebra Differential Equations Calculus Probability and Statistics Numerical Methods Vector Calculus Transform Theory Complex Variable
General Aptitude
Verbal Ability Logical Reasoning Numerical Ability
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
Electrical and Electronics Measurement
Error Analysis and Measurement Basic of Indicating Instruments Potentiometer and Instrument Transformers Measurement of Resistance and A.C Bridges Measurement of Energy and Power Digital Voltmeters Questions Cathode Ray Oscilloscope
Analog Electronics
Diode Circuits and Applications Frequency Response Bjt and Mosfet Biasing 555 Timer Feedback Amplifiers and Oscillator Circuits Operational Amplifier Small Signal Modeling
Control Systems
Block Diagram and Signal Flow Graph Polar Nyquist and Bode Plot State Variable Analysis Basics of Control System Routh Hurwitz Stability Time Response Analysis Root Locus Techniques Controller and Compensator
Power Electronics
Choppers and Commutation Techniques Single and Three Phase Rectifier Power Semiconductor Devices Ac Voltage Controllers Inverters
Digital Electronics
Boolean Algebra Logic Gates Combinational Circuits Minimization Logic Families and Memories Sequential Circuits Analog to Digital and Digital to Analog Converter Microprocessor
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