Study Material for EKT

I want to know about syllabus for Indian air force EKT Engineering Knowledge Test ?

[Raman Vij]

Here I am giving you syllabus for Indian air force EKT Engineering Knowledge Test below :

Engineering Knowledge Test is a common test aimed at testing the Basic Engineering knowledge of the candidates applied for Aeronautical Engineering Courses.

EKT has two parts, namely
Part A – General Engineering: 40 Questions Duration:
Part B - Specialist Paper for each Engineering discipline: 35 Questions : 1hour

Engineering Knowledge Test is pitched at pre-final to final year engineering level. The test consists of two parts viz General Engineering and Specialist subjects for the two streams of Technical Branches i.e Aeronautical Engineering (Electronics) and Aeronautical Engineering (Mechanical).

The specialised papers are in Mechanical Engineering, Aeronautical engineering, Electronics and Communication engineering, Electrical and Instrumentation engineering and Computer Engineering.

The questions are objective type in nature and duration of test is approximately one hour. It is mandatory for the candidates to pass in both General and Specialist papers to qualify for AFSB interview.

EKT SYLLABUS- GENERAL ENGINEERING
1. Modern Physics:- Quantum Mechanics, Electrical Conductivity in Metals, Dielectric and magnetic properties of materials, Lasers, Super Conductivity and optical fibers.
2. Chemistry :- Chemical Energy Sources, Solar Energy, Electrochemical Energy Systems, Battery Technology, Fuel Cell, Corrosion Science & Control, Metal finishing & Electroless Plating.
3. Mathematics :- Differential Calculus, Partial Differentiation, Integral Calculus & Application, Differential Equation, Vector Calculus & Infinite Series, Laplace Transform, Vector Integration, Integral Calculus.
4. Computers :- Computer peripherals, Data Processing, Data storage, Operation Systems, Networks of an Internets, Algorithms & Flow charts, Computer aided sketching.

5. Electrical :- DC Circuits, Electromagnetism, Single phase AC Circuits, Three phase Circuits, Measuring Instruments, Domestic Wiring, DC Machine Transformer, Synchronous Generation, Three phase Induction motor.
6. Electronics :- Semiconductors diodes, Transistor, SCR, Amp & oscillators, OP Amp, Communication Systems, Number System and Digital Logic.
7. Mechanical Engineering :- Energy & Steam, Turbines steam, Gas & Water, Internal combustion Engines, Refrigeration and Air Conditioning, Lathe & Drilling Machines, Milling & Grinding Machines, Joining Processes, Lubrication & Bearing , Power Transmission and workshop technologies.

EKT SYLLABUS – COMPUTER AND ELECTRONICS

1. Digital Electronic Circuits:- Number representation and computer arithmetic (fixed and floating point),Boolean algebra and minimization of Boolean functions, Logic functions and logic gates, Minimization, Digital IC families (DTL, TTL, ECL, MOS, CMOS),Design and synthesis of combinational and sequential circuits, Combinational Circuits: arithmetic circuits, code converters, multiplexers, Decoders. Sequential circuits: latches and flip-flops, counters, shift-registers.
2. Analog Electronic Circuits: - Small Signal Equivalent circuits of diodes ,Simple diode circuits, clipping, clamping, rectifiers, Biasing and bias stability of transistor and FET amplifiers, Amplifiers, single-and multi-stage amplifiers, frequency response of amplifiers, Simple op-amp circuits, Sinusoidal oscillators and criterion for oscillation
3. Computer Organization and Architecture:- Machine instructions and addressing modes, Memory interface, Cache and main memory and Secondary storage. Microprocessor (8085): architecture and memory organisation.
4. Operating System:- Processes, Threads and Inter-process communication, Concurrency, Synchronization and Deadlock, CPU scheduling, Memory management and virtual memory, File systems and I/O systems, Protection and security.
5. Programming and Data Structures:- Programming in C and similar Structured programming languages. Functions, Recursion, Parameter passing, Scope, Binding; Abstract data types, Arrays, Stacks, Queues, Linked Lists, Trees, Binary search trees, Binary heaps.
6. Databases:- ER-model, Relational model (relational algebra, tuple calculus), Database design (integrity constraints, normal forms), Query languages (SQL), File structures (sequential files, indexing, B and B+ trees), Transactions and concurrency control.
7. Computer Networks:- ISO/OSI stack, LAN technologies (Ethernet, Token ring), Flow and error control techniques, Routing algorithms, Congestion control, TCP/UDP and sockets, IP(v4), Application layer protocols (icmp, dns, smtp, pop, ftp, http); Basic concepts of hubs, switches, gateways, and routers. Network security: basic concepts of public key and private key cryptography, digital signature, firewalls.
8. Information Systems and Software Engineering:- information gathering, requirement and feasibility analysis, data flow diagrams, process specifications, input/output design, process life cycle, planning and managing the project, design, coding, testing, implementation, maintenance.

EKT SYLLABUS- MECHANICAL

1. Engineering Mechanics :- Equivalent force systems, free-body concepts, equations of equilibrium, trusses and frames, virtual work and minimum potential energy. Kinematics and dynamics of particles and rigid bodies, impulse and momentum (linear and angular), energy methods, central force motion.
2. Strength of Materials :- Stress and strain, stress-strain relationship and elastic constants, Mohr’s circle for plane stress and plane strain, shear force and bending moment diagrams, bending and shear stresses, deflection of beams torsion of circular shafts, thin and thick cylinders, Euler’s theory of columns, strain energy methods, thermal stresses.

3. Theory of Machines :- Displacement, velocity and acceleration, analysis of plane mechanisms, dynamic analysis of slider-crank mechanism, planar cams and followers, gear tooth profiles, kinematics and design of gears, governors and flywheels, balancing of reciprocating and rotating masses.

4. Vibrations :- Free and forced vibration of single degree freedom systems, effect of damping, vibration isolation, resonance, critical speed of rotors.
5. Fluid Mechanics:- Fluid properties, fluid statics, manometry, buoyancy — Control-volume analysis of mass, momentum and energy, fluid acceleration — Differential equation of continuity and momentum — Bernoulli’s equation — Viscous flow of incompressible fluids — Boundary layer, Elementary turbulent flow — Flow through pipes, head losses in pipes, bends etc.
6. Heat Transfer :- Modes of heat transfer — One dimensional heat conduction, resistance concept, electrical analogy, unsteady heat conduction, fins — Dimensionless parameters in free and forced convective heat transfer, Various correlations for heat transfer in flow over flat plates and through pipes — Thermal boundary layer — effect of turbulence — Radiative heat transfer, black and grey surfaces, shape factors, network analysis — Heat exchanger.

EKT SYLLABUS – ELECTRONICS AND COMMUNICATION ENGINEERING

1. Networks: Network graphs: matrices associated with graphs; incidence, fundamental cut set and fundamental circuit matrices. Solution methods: nodal and mesh analysis. Network theorems: superposition, Thevenin and Norton’s maximum power transfer, Waye-Delta transformation. Steady- state sinusoidal analysis using phasors. Linear constant coefficient differential equations; time domain analysis of simple RLC circuits, Solution of network equations using Laplace transform: frequency domain analysis of RLC circuits. 2-port network parameters: driving point and transfer functions. State-equations for networks.

2. Electronic Devices: Energy bands in silicon, intrinsic and extrinsic silicon. Carrier transport in silicon: diffusion current, drift current, mobility, and resistivity. Generation and recombination of carriers. p-n junction diode, Zener diode, tunnel diode, BJT, JFET, MOS capacitor, MOSFET, LED, p-I-n and avalanche photo diode, Basics of LASERs. Device technology: integrated circuits fabrication process, oxidation, diffusion, ion implantation, photolithography, n-tub, p-tub and twin-tub CMOS process.

3. Analog Circuits: Small Signal Equivalent circuits of diodes, BJTs, MOSFETs and analog CMOS. Simple diode circuits, clipping, clamping, rectifier. Biasing and bias stability of transistor and FET amplifiers. Amplifiers: single-and multi-stage, differential and operational, feedback, and power. Frequency response of amplifiers. Simple op-amp circuits. Filters. Sinusoidal oscillators; criterion for oscillation; single-transistor and op-amp configurations. Function generators and wave-shaping circuits, 555 Timers. Power supplies.
4. Digital circuits: Boolean algebra, minimization of Boolean functions; logic gates; digital IC families (DTL, TTL, ECL, MOS, CMOS). Combinatorial circuits: arithmetic circuits, code converters, multiplexers, decoders, PROMs and PLAs. Sequential circuits: latches and flip-flops, counters and shift-registers. Sample and hold circuits, ADCs, DACs. Semiconductor memories. Microprocessor(8085): architecture, programming, memory and I/O interfacing.
. Signals and Systems:5 Definitions and properties of Laplace transform, continuous-time and discrete-time Fourier series, continuous-time and discrete-time Fourier Transform, DFT and FFT, z-transform. Sampling theorem. Linear Time-Invariant (LTI) Systems: definitions and properties; causality, stability, impulse response, convolution, poles and zeros, parallel and cascade structure, frequency response, group delay, phase delay. Signal transmission through LTI systems.

6. Control Systems: Basic control system components; block diagrammatic description, reduction of block diagrams. Open-loop and closed-loop (feedback) systems and stability analysis of these systems. Signal flow graphs and their use in determining transfer functions of systems; transient and steady state analysis of LTI control systems and frequency response. Tools and techniques for LTI control system analysis: root loci, Routh-Hurwitz criterion, Bode and Nyquist plots. Control system compensators: elements of lead and lag compensation, elements of Proportional-Integral-Derivative (PID) control. State variable representation and solution of state equation of LTI control systems.

7. Communications: Random signals and noise: probability, random variables, probability density function, autocorrelation, power spectral density. Analog communication systems:
amplitude and angle modulation and demodulation systems, spectral analysis of these operations, superheterodyne receivers; elements of hardware, realizations of analog communication systems; signal-to-noise ratio (SNR) calculations for amplitude modulation (AM) and frequency modulation (FM) for low noise conditions. Fundamentals of information theory and channel capacity theorem. Digital communication systems: pulse code modulation (PCM), differential pulse code modulation (DPCM), digital modulation schemes: amplitude, phase and frequency shift keying schemes (ASK, PSK, FSK), matched filter receivers, bandwidth consideration and probability of error calculations for these schemes. Basics of TDMA, FDMA and CDMA and GSM.

8. Electromagnetics: Elements of vector calculus: divergence and curl; Gauss and Stokes theorems, Maxwell’s equations: differential and integral forms. Wave equation, Poynting vector. Plane waves: propagation through various media; reflection and refraction; phase and group velocity; skin depth. Transmission lines: characteristic impedance; impedance transformation; Smith chart; impedance matching; S parameters, pulse excitation. Waveguides: modes in rectangular waveguides; boundary conditions; cut-off frequencies; dispersion relations. Basics of propagation in dielectric waveguide and optical fibers. Basics of Antennas: Dipole antennas; radiation pattern; antenna gain.

Sir I am preparing for the EKT so can you please provide me some study material for the same

[Pathak]

Hi friend below I am providing you he Study Material for EKT


Books for KET

Computer Science Engineering Stream:
Computer Science and IT : Crack GATE / IES / PSUs and Other Competitive Exams book is suggested for CSE stream students who are going to appear in the Engineering Knowledge Test


Mechanical Engineering books for EKT:
Arihant’s Crack GATE / IES / PSUs and Other Competitive Exams

Electrical And Electronics Stream of EKT:

Handbook Series of Electrical Engineering and Electronics and Communication Engineering book by arihant are


Important questions to practice

Questions from EKT question paper

Q. _____is an active filter

(a) RC filter

(b) notch filter

(c) Butterworth filter

(d) band pass filter

Q. For transmission line load matching over a range of frequencies, it is best to use a

(a) Balun

(b) broadband directional coupler

(c) double stub

(d) single stub

Q. Emitter follower is used for

(a) reducing the gain

(b) increasing the distortion

(c) impedance matching

(d) none of these

Q. Binary equivalent of (45)10 is

(a) (11101)2

(b) (11110)2

(c) (101101)2

(d) (110101)2

Q. In Computer memory size K indicates Kilo, which is equal to

(a) 1000

(b) 1024

(c) 100

(d) 10000

Q. An astable multivibrator has

(a) no stable state

(b) one stable state

(c) three stable states

(d) two stable states

Q. An ideal Op Amp has .

(a) infinite input and output impedance

(b) very low input and output impedance

(c) low input impedance and very high output impedance

(d) infinite input impedance and zero output impedance

Q. An instruction used to set the carry flag in a computer can be classified as a

(a) data transfer instruction

(b) arithmetic instruction

(c) logical instruction

(d) program control instruction

Q. An FET is a

(a) bipolar semiconductor device

(b) unipolar semiconductor device

(c) non semiconductor device

(d) both (a) and (c)

Q. For Gunn diodes, semiconductor material preferred is

(a) Silicon

(b) Germanium

(c) Gallium Arsenide

(d) all of these

Q. In a JFET drain current is maximum when VGS is

(a) zero

(b) negative

(c) positive

(d) equal to Vp

Q. The output of Laser is

(a) Infrared

(b) polarised

(c) narrow beam

(d) coherent

Sample questions from EKT CSE IT question paper

Q. Which computer memory is volatile?

(a) RAM

(b) ROM

(c) EPROM

(d) PROM

Q. The computer code for the interchange of information between terminals is

(a) ASCII

(b) BCD

(c) EBCDIC

(d) All of these

Q. Which of the following is not a sequential storage device?

(a) Magnetic disk

(b) Magnetic tape

(c) Paper tape

(d) All of these

Q. The data recording area between the blank gaps on magnetic tape is called a/an.

(a) record

(b) block

(c) field

(d) database

Q. On a systems flowchart, the online manual keeping of input data is identified by using the

(a) online storage symbol

(b) online keyboard symbol

(c) keeping operation symbols

(d) manual operation symbols

Q. An example of a hierarchical data structure is

(a) array

(b) link list

(c) tree

(d) ring

Q. Which of the following system software does the job of merging the records from two files into one?

(a) security software

(b) utility program

(c) networking software

(d) documentation system

Q. Virtual Memory

(a) is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks

(b) consists of those addresses that may be generated by a processor during execution of a computation

(c) is a method of allocating processor time

(d) allows multiple programs to reside in separate areas of core at the time

Q. Which is a permanent database in the general model of compiler?

(a) literal Table

(b) identifier Table

(c) terminal Table

(d) source code

Q. Operating system functions may include

(a) input/output control

(b) virtual storage

(c) multi-programming

(d) all of these

Q. Moving process from main memory to disk is called

(a) scheduling

(b) caching

(c) swapping

(d) spooling

Sample questions from EKT Mechanical question paper

Q. A bar of length ‘L’ meters extended by ‘l’ mm under a tensile force of ‘P’. Then the strain produce in the bar is

(a) l/L

(b) 0.1 l/L

(c) 0.01 l/L

(d) 0.001 l/L

Q. A rod is enclosed centrally in a tube and the assembly is tightened by rigid washers. If the assembly is subjected to a compressive load, then

(a) rod is under compression

(b) tube is under compression

(c) both rod and tube are under compression

(d) tube is under tension and rod is under compression

Q. The shear force and bending moment are zero at the free end of a cantilever beam, if it carries a

(a) Point load at the free end

(b) Point load at the middle of its length

(c) Uniformly distributed load over the whole length

(d)None of the above

Q. The moment of resistance of a balanced reinforced concrete beam is based on the stresses in

(a) Steel only

(b) Concrete only

(c) Steel and concrete both

(d) None of the above

Q. In a flange coupling, the figures are coupled together by means of

(a) Bolts and nuts

(b) Studs

(c) Headless taper bolts

(d) Al of the above

Q. A transmission shaft includes

(a) Counter shaft

(b) Line shaft

(c) Over head shaft

(d) All of the above

Q. A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

(a) castle nut

(b) jam nut

(c) ring nut

(d) sawn nut

In a venturiflume, the flow takes place at
(a) atmospheric pressure

(b) gauge pressure

(c) absolute pressure

(d) none of the above

Q. The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is

(a) directly proportional to (radius)2

(b) inversely proportional to (radius)2

(c) directly proportional to (radius)4

(d) inversely proportional to (radius)4

Q. When the Mach number is more than 6, the flow is called

(a) subsonic flow

(b) sonic flow

(c) supersonic flow

(d) hyper sonic flow