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1
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
The interrupting time of a circuit breaker is the period between the instant of
A
Initiation of short circuit and the arc extinction on an opening operation
B
Energizing of the trip circuit and the arc extinction on an opening operation
C
Initiation of short circuit and the parting of primary arc contacts
D
Energizing of the trip circuit and the parting of primary arc contacts
2
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
Three sections of a feeder are provided with circuit breakers CB1, CB2, CB3, CB4, CB5 and CB6. For a fault F as indicated in figure. GATE EE 1999 Power System Analysis - Circuit Breaker Question 6 English
A
CB5 must be set to trip after CB1 trips.
B
CB5 must be set to trip after CB3 and CB4 trips.
C
CB5 must be set to trip after CB2 trip.
D
CB5 must be set to trip before CB1, CB2, CB3 and CB4 trip.
3
GATE EE 1997
MCQ (Single Correct Answer)
+1
-0.3
The use of high-speed of circuit-breakers
A
Reduces the short circuit current
B
Improves system stability
C
Decreases system stability
D
Increases the short circuit current
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Resistance switching is normally employed in
A
All breakers
B
Bulk oil breakers
C
Minimum oil breakers
D
Air blast circuit breakers
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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
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 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
Power Electronics
Choppers and Commutation Techniques Ac Voltage Controllers Single and Three Phase Rectifier Power Semiconductor Devices 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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