A P P S C – A E E

PAPER – 1

GENERAL STUDIES

(COMMON FOR ALL CANDIDATES)

1. Science and Technology:

(A) General Science and Technology

(B) Role and impact of Science and Technology on India is development. (Questions will cover general appreciation and understanding of matters of everyday observation and experience as may be expected of a well – educated person who has not made a special study of science and technology disciplines)

2. INDIAN HISTORY AND CULTURE:

(A) Modern Indian history from 19th century to the present

(B) Nationalist Movement and Constitutional development

(C) Indian culture and Heritage including architecture, fine arts, dance forms music, paintings, folk arts and performing arts:

(D) History of andhradesa Society, Culture, Geography and Economic development

3. INDIAN POLITY:

General and broad understanding of the structural (institutions) and functional (processes) aspects of Indian political system

4. INDIAN ECONOMY AND GEOGRAPHY OF INDIA:

a) Structure of national economy

b) Economic development (including planning) since independence

c) Economic reforms

d) Physical economic and social geography of India.

5. CURRENT EVENTS:

Current events of regional, national and international importance

6. GENERAL MENTAL ABILITY:

(Reasoning and analytical abilities)

PAPER – 2

OPTIONAL ONLY FOR ELECTRICAL ENGINEERING SUBJECT

1. ELECTRIC CIRCUITS : active and passive network elements – dependent and independent sources response of passive elements to arbitrary excitations energy stored in inductance and capacitance kirchoffis loss – formations of mesh and nodel intergo differential equations – their solutions by classical and Laplace transformation methods -Transient and steady state response of RL,RC elements to impulse, step, ramp and sinusoidal inputs -single phase AC circuits methods of solutions poly phase circuits - analysis of balanced and unbalanced circuits – measurements of three phase power.

2. Electrical measurements and instruments: absolute and secondary instrument types – principle of operations of different type of instrument extension of instrument ranges – measurement of voltage, current, power and energy – localization of cable faults - Murray loop and varley loop tests – cathodes ray oscilloscope

3. Illumination: solid angle, luminous flux, luminous intensity -illumination and candle power- laws of illumination- flood lighting, street lighting – electric lamps.

4. DC generators and motors: types of DC generators - EMF equation constructional details - characteristics of shunt, series and compound generators – Armature reaction -types of DC motors – Torque developed in a DC motor - speed controls of DC motors and starters.

5. Transformers: constructional details - principle of operation - vector diagrams on no load and load – regulation and efficiency - equivalent circuits and tests for the determination of parameters of equivalent circuits - types of three phase transforms and their application Scott connection of transformers

6. 3 – Phase induction motors:

Principle of operation – cage and slip ring motors torque slip characteristics methods of speed control

7. 3- phase alternators: principle of operation and constructional details - types of alternators - synchronous impedance - voltage regulation short circuit ratio and its importance phase diagrams of round rotor and salient pole machines - synchronization behavior of an alternator connected to infinite bus - effect of varying excitation current and mechanical torque - power angle curves - control of active and relative powers

8. 3 – phase synchronous motors: principle of operation - torque developed and methods of staring - V and inverted V curves - effects of variations of excitation - synchronous condensers.

9. Single phase induction motors: type of single phase motors - types of single phase induction motors - characteristics and methods of string - shaded pole induction motor

PAPER – 3 :

OPTIONAL ONLY FOR ELECTRICAL ENGINEERING

1. Transmission & Distribution: Line constants – Inductance and Capacitance calculations Representation of over head lines – Short Medium and Long lines - ABCD constants Mechanical Design – Seg, Tension Calculations, Tuned Power Lines.

2. Over Head Line Insulators: Types of Insulators - Potential distributions over a string of suspension insulators - string efficiency - Methods of improving string efficiency.

3. Underground Cables: Insulation of cables - Grading of cables - Capacitance Measurement in cables - Testing of Cables - Power frequency withstand test.

4. Fault Calculations: Balanced Fault calculations on systems - Symmetrical components- Types of faults - Analysis of unbalanced faults

5. Generating Stations: Location and types, types of hydroelectric power stations, layout of a hydro power plant, types of turbines used - Pumped storage installations - Layout of thermal electric power stations, types of turbines used condensers, cooling towers, boiler feed pump; energy flow diagram of steam power plant. Nuclear power generation; nuclear fission types of nuclear power reactors – Principle of a fast breeder reactor

6. Protection: Characteristic of Relays – Over current, directional and distance protection of lines. Protection of Alternators against stator faults, rotor faults, loss of excitation, unbalanced loading, overloading, failure of prime – mover. Over speeding and over voltage. Protection of transformers against winding faults, overloads and external short circuits.

7. Circuit Breakers: Air – blast, oil, minimum oil, vacuum - sulphur hexafluoride and d.c. circuit breakers relative merits and demerits.

8. Economic Aspects: Generation costs and their classification, load curve, load utilization and plant capacity factors. Load sharing between base load and peak – load stations. Load forecasting. Economical distribution of load between unit within a plant and between plants. Modeling of fuel costs for thermal generation. Optimal operation of an all thermal generating system and of a hydro – thermal system. Consideration of transmission losses.

9. Utilization of Electrical Energy: Industrial drives – Motors for various drivers – Estimating and Rating – Testing of D. C. and A. C motors – Neutral Earthing