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1
GATE EE 2014 Set 3
Numerical
+1
-0
The no-load speed of a 230 V separately excited dc motor is 1400 rpm. The armature resistance drop and the brush drop are neglected. The field current is kept constant at rated value. The torque of the motor in Nm for an armature current of 8 A is ____________.
Your input ____
2
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
A 4–point starter is used to start and control the speed of a
A
dc shunt motor with armature resistance control
B
dc shunt motor with field weakening control
C
dc series motor
D
dc compound motor
3
GATE EE 2007
MCQ (Single Correct Answer)
+1
-0.3
The dc motor, which can provide zero speed regulation at full load without any controller is
A
series
B
shunt
C
cumulative compound
D
differential compound
4
GATE EE 2006
MCQ (Single Correct Answer)
+1
-0.3
In a $$DC$$ machine, which of the following statements is true?
A
Compensating winding is used for neutralizing armature reaction while inter pole winding is used for producing residual flux.
B
Compensating winding is used for neutralizing armature reaction while inter pole winding is used for improving commutation.
C
Compensating winding is used of improving commutation while inter pole winding is used for neutralizing armature reaction.
D
Compensating winding is used for improving commutation while inter pole winding is used for producing residual flux .
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GATE EE Subjects
Electric Circuits
Network Elements Network Theorems Three Phase Circuits Transient Response Sinusoidal Steady State Analysis Graph Theory Two Port Networks
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
Electrical Machines
Induction Machines D.C Machines Synchronous Machines Transformers
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 System Analysis
Parameters and Performance of Transmission Lines Power Generation Cost Power System Stability Symmetrical Components and Symmetrical and Unsymmetrical Faults Circuit Breaker Switch Gear and Protection Per Unit System Load Flow Studies High Voltage Dc Transmission Generating Power Station
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
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
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
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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