List of top Electrical Engineering Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

Which mechanism in control engineering implies an ability to measure the state by taking measurements at output?
Which of the following effects in the system is NOT caused by negative feedback?
State space analysis is applicable even if the initial conditions are:
The Servo motor differs from standard motor principally in that, it has:
Consider a feedback system with gain margin of about 30. At what point does the Nyquist plot cross the negative real axis?
Which of the following types of faults does a bus differential relay NOT effectively detect?
In a multi-machine interconnected power system, subsequent to a 3-phase fault, the transient stability is examined by:
In a 220kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 micro Farads. The value of the resistor required to be connected across the breaker contacts which will give no transient oscillations is:
The Y-bus matrix of a 100-bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be:
In a bode magnitude plot, which one of the following slopes would be exhibited at high frequencies by a 4th order all-pole system?
An alternator having an induced emf of 1.6 p.u. is connected to an infinite bus of 1 p.u. If the busbar has reactance of 0.6 p.u. and alternator has reactance of 0.2 p.u., what is the maximum power that can be transferred?
Fault calculations using computer programs are usually done by:
Which of the following is not a requirement for site selection of a hydroelectric power plant?
Which component of gas turbine power plant is the main cause of its low efficiency?
For a given power system, its zero and maximum regulation will occur at the impedance angle of:
Efficient Line-Commutated Converter (LCC) HVDC converters generally use:
A protection system engineer is planning to provide complete protection for a 3-phase transmission line. He can achieve this by:
Which of the following circuit breakers take minimum time in installation?
If all the sequence voltages at the fault point in a power system are equal, then the fault is:
The magnitude of zero sequence current of a generator for LG fault is 2.4 p.u. The current through the neutral during fault in p.u. is:
The main objective of Load Frequency controller is to apply control of:
A 100 kVA Generator has 10% reactance. Its short circuit kVA is:
Two insulator discs of identical capacitance value C make up a string for a 22kV, 50Hz, single-phase transmission line. If the pin-to-earth capacitance is also C, then the string efficiency is:
The incremental cost characteristics of two generators delivering a total load of 200 MW are as follows: \[ C_1 = 4.01 + 0.1P_1 \, \text{Rs/MWh} \quad \text{and} \quad C_2 = 1.60 + 0.2P_2 \, \text{Rs/MWh} \] What should be the values of \(P_1\) and \(P_2\) for economic operation?
What is the frequency of rotor current of a 50Hz induction motor operating at 2% slip?