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1
GATE EE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
A 4 pole induction machine is working as an induction generator. The generator supply frequency is 60 Hz. The rotor current frequency is 5 Hz. The mechanical speed of the rotor in RPM is
A
1350
B
1650
C
1950
D
2250
2
GATE EE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A 3-phase, 4-pole, 400 V, 50 Hz squirrel-cage induction motor is operating at a slip of 0.02. The speed of the rotor flux in mechanical rad/sec, sensed by a stationary observer, is closest to
A
1500
B
1470
C
157
D
154
3
GATE EE 2016 Set 2
MCQ (Single Correct Answer)
+1
-0.3
The direction of rotation of a single-phase capacitor run induction motor is reversed by
A
interchanging the terminals of the AC supply.
B
interchanging the terminals of the capacitor.
C
interchanging the terminals of the auxiliary winding.
D
interchanging the terminals of both the windings.
4
GATE EE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In a constant V/f induction motor drive, the slip at the maximum torque
A
is directly proportional to the synchronous speed
B
remains constant with respect to the synchronous speed
C
has an inverse relation with the synchronous speed
D
has no relation with the synchronous speed
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GATE EE Subjects

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Electric Circuits
Network Elements Transient Response Two Port Networks Sinusoidal Steady State Analysis Network Theorems Three Phase Circuits Graph Theory
Electrical Machines
Synchronous Machines Transformers D.C Machines Induction Machines
Engineering Mathematics
Vector Calculus Calculus Transform Theory Probability and Statistics Differential Equations Linear Algebra Numerical Methods Complex Variable
Signals and Systems
Continuous Time Signal Fourier Transform Miscellaneous Discrete Time Signal Z Transformation Continuous Time Periodic Signal Fourier Series Continuous and Discrete Time Signals Continuous Time Signal Laplace Transform Linear Time Invariant Systems Sampling Theorem
Power Electronics
Single and Three Phase Rectifier Inverters Power Semiconductor Devices Ac Voltage Controllers Choppers and Commutation Techniques
Power System Analysis
Circuit Breaker Parameters and Performance of Transmission Lines Switch Gear and Protection High Voltage Dc Transmission Symmetrical Components and Symmetrical and Unsymmetrical Faults Load Flow Studies Per Unit System Power Generation Cost Power System Stability Generating Power Station
Digital Electronics
Boolean Algebra Combinational Circuits Logic Gates Logic Families and Memories Minimization Sequential Circuits Analog to Digital and Digital to Analog Converter Microprocessor
Analog Electronics
Diode Circuits and Applications Feedback Amplifiers and Oscillator Circuits Frequency Response Bjt and Mosfet Biasing Small Signal Modeling 555 Timer Operational Amplifier
Electromagnetic Fields
Time Varying Fields Electrostatics Magnetostatics
Control Systems
Time Response Analysis State Variable Analysis Basics of Control System Root Locus Techniques Block Diagram and Signal Flow Graph Controller and Compensator Polar Nyquist and Bode Plot Routh Hurwitz Stability
Electrical and Electronics Measurement
Basic of Indicating Instruments Error Analysis and Measurement Cathode Ray Oscilloscope Measurement of Resistance and A.C Bridges Digital Voltmeters Questions Potentiometer and Instrument Transformers Measurement of Energy and Power
General Aptitude
Verbal Ability Logical Reasoning Numerical Ability
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