Give me syllabus for Chargeman II Mechanical post examination of All India Naval Technical Supervisory Staff Association ?

Here I am giving you syllabus for Chargeman II Mechanical post examination of All India Naval Technical Supervisory Staff Association

Basic Mechanical Engineering:
(a) Lubrication and preservation: Types of lubrication, lubricators, self
lubricating bearings, lubricants and their requirements for various uses,
Preservation.

(b) Maintenance of Hydraulic Components:
i. Hydraulic leathers, Oil seals and retainers, Housing tolerance and
limits, Synthetic rubber seals, chevron seals.
ii. A.E.L. pipe joints: Fitting instructions, nylon nipple joints,
shrouded ‘o’ seals and spiral wound gaskets.
iii. Erueto Couplings: Flexible hydraulic hoses, oil separators,
streamline filters, British filters.
iv. Hydraulic Hygiene: Contamination sources, filtrations, degree of
filtration, types of filtration systems, system flushing sampling and
testing of oil.
(c) Use of Optical and Telemetry Equipment : Theodolite, binoculars,
D.A.B.S. bore telescope, clinometers, levels, micrometers, dial
gauges, feeler gauges, caliper, sigma comparator.
(d) Various types of ball and roller bearings: Ball journal bearing,
Angular contact double purpose bearings, roller bearings, ball thrust
bearings, gyro bearings, air bearings diametrical freedom,
lubrication, preservation, Timken tapered roller bearings and
gauges, feeler gauges, caliper, sigma comparator.
(e) Corrosion and Protection against Corrosion: Parkersing, blueing,
slinging and lifting.
(f) Fits and Tolerances: B.S. 1916 pross, light driving, keying fit, push
fit, average location, precision location (close running 1st quality and
close sliding) average running precision running or loose fit.
45

2. H.P. Air System:
a) H.P. Air Testing of H.P.Air system, proof testing of H.P. Air
cylinders/bottles, hydraulic accumulators, oxygen bottles, ASBA cylinders.
Annealing cleaning and water pressure testing of short connecting copper
pipes and unions between cylinders. Testing, refitting, resetting of relief
and reducer valves. Testing of H.P. Air and hydraulic hoses, dehydrators,
filters, charging nozzles.
b) C.C.A.Gear : Precautions while handling, Surveying of acid pressure
testing of acid containers.
3. Weapon mountains, Directors and Torpedo Tubes: Examination refit
maintenance, overhaul and repairs of elevation and training gear boxes,
training bases, roller paths, clips, trunnion assemblies ammunition hoists,
rammers, flash doors, weathering systems, cradle recoil cylinders,
recuperators, intensifiers, training and elevation limit gear, drenching
system, training buffers, locking bolts, window cleaning gears, gun shields,
clino planes, cooling water system, air blast system, and mountings range
valves, depth setting gear, handling room equipment depth charge
throwers, R.F.L. equipment, saluting guns, torpedo tubes.

4. Installation of Weapons: Installation of weapons as per drawings and
inspection at various stages, setting to work of major units. Testing of gun
sights and director sight. Datum marks for checking alignment of directors
and sights. Tilt tests. Parallelism test of director installations.

5. Armament Alignment: Purpose, explanation of alignment terms Master
sights, master training datum, common datum, installation scribe lines,
final mechanical alignment test, datum bench marks, system bench
marks, datum scribe lines, bench mark alignment test equipment
(weapon) sealings, datum and bench marks n and fitting instructions,
alignment tests and must know approved racking positions.

6. Inspection & Quality Control:
(a) Test & Trails: pre-refit trails quality control during repairs stage and
final inspection of weapons as per test specifications capacity and
machinery test on hydraulic pumps and engines (VSG Test, pulling
back of gun and inspecting, slip test, sight tests, breech travel roller
clearances, training slip clearances, firing arcs, safety arcs, lug
clearances, hysterisis test, slow rotational torque test, backlash test,
hand efforts, brakes, friction clutch slipping efforts, training and
elevation limits maximum speeds, positional accuracy test, director
erection test, hoists test, slip test, preparation for firing, gun trails, lift
test, post refit trails and harbour acceptance trails of major units.
46

(b) Equipment : Pre-refit trails, repairs, overhaul, stage inspection,
quality control, final inspection, subassembly and major unit testing
as per specifications of equipment. Also setting to working after
installation on board ship. Post refit and harbour trails.

(c) Gun Mountings : Turrets and gun mountings in use in the service.
76.2 mm Gun Mountings
AK 176 Gun Mountings
AK 630 Gun Mountings
AK 230 Gun Mountings
AK 100 Gun Mountings
AK 725 Gun Mountings
4.5 inch mounting
7. Directors: Torpedo tubes. All types of ammunition hoists, depth charge
throwers, electro hydraulic units, hydraulic and firing cylinders.

For Chargeman-II (Weapons)
1. Bearings Timmken tapered roller bearings, floating bearings location,
adjustment for pre-loading.

2. Test and Trials : Pulling back of gun and inspecting slip test, sight tests,
breach travel roller clearances, training clip clearances, fire arcs safety
arcs, leg clearances, gun trial, measurement of recoil, tilt test, tilt liners,
hysterisis test, slow rotational torque test, backload test, hand efforts,
brackes, friction clutch training and elevation limits, buffers, maximum
speeds, capacity tests of pumps, positional accuracy tests, Director
erection test.

3. Alignment : Datum marks for checking alignment of directors, sights and
stabilizing equipment, parallelism test of directors, Master Training Datum,
mechanical alignment. Installation Distant object alignment test, Datum
bench marks, system bench marks. Use of clinometers and theodolites.
Overhaul and shop testing of all sub-assemblies and major units of
mountings and directors as per test specifications.

4. Drawing : Should be able to make out simple sketches of mechanical
parts and follow machine drawings.

5. Specifications : Should be able to read and understand and explain to
juniors technical details from BRs, and books specification and drawings.

COMMON SYLLABUS FOR ELECTRONIC BASED TRADE
Introduction
1. The syllabus given in the succeeding pages is a guide for the personnel
and trade examiners to prepare/examine for the Departmental promotion
Examinations. The syllabus is structured as follows:-
Basic Electricity - Common to all Electronic
Based trades
Basic Electronics - Common to all Electronic
Based trades
Advanced Electronics - Common for all Electronic
Based Trades except

Control Fitter (Gyro) and
Control Fitter (Instrument)
2. The syllabus is applicable for departmental promotion
examinations of all grades with following specific differentiation
Sl.
No.
Promotion
to
Grade
Standard of Knowledge
(a) C/Man - II &
C/Man – I

A : Advanced Detailed understanding of specific systems, Block
diagram level understanding of all systems handled by that trade,
specialization in all fields of the trade, Managerial and Administrative
functions.
(b) Asst. F/Man
&
F/Man

B : Advanced Block diagram level understanding of all system handled
by that trade, specialization in all fields of the trade, Deep
understanding of Managerial and administrative functions.

BASIC ELECTRICITY
1. Introduction to Electricity . Voltage, current and resistors, basic
meters, Ohm’s Law, specific resistance, common conductors and their
properties, standard sizes, current ratings, S.W.G., metric gauge and wire

tables, insulating materials and effects of current, heat, power, temp,
coefficients, N.T.C. resistors, circuits, symbols-therraistor.

2. Resisters. Construction of carbon resistor colour coat, all types of
metal. Wooden liner and non-liner wire would resistors. Thermistor,
potentiometer (carbon, wire would liner and logarithmic) series and
parallel connection of resistors, gang resistors, resistance current and
power rating, kerchief’s law and application.

3. Battery. Simple Leclanche cell (dry cell, storage precaution) lead acid
accumulator (principle, construction, charging ampere hour capacity,
battery charger) battery in an electric circuit, series parallel and option
connection. Wheat stone bridge silver oxide L.C.R. button cell, resistance
of battery. Magnetism, magnets (different permanent magnets). Magnetic
field, electromagnetism, coil with iron core, permeability, different
magnetic materials and properties relay. Current relative in relay pick ups
and relay valves.

4. Simple Meters. Moving iron and moving coil meters (Principle
constructions and special feature) and accessories universal meter, shunt
voltage, measurement, meter multiplier, sensitivity current, measurement,
multimeter.

5. Alternating Current. What is AC. Induced voltage and current.
Faraday’s principles. Lenz’s Law self induction, AC Generator, flaming’s
three finger rule, frequency, peak, average RMS. Valves, phase, cycle,
dynamometer, vibrators. Resistance on AC and DC fractional HP motor.
6. Revision of Electromagnetic Induction, principle of induced e.m.f.,
Faraday’s laws and Lenz’s law.

7. DC Generators. Generator principle, simple loop generator, construction
and working. Main parts of a practical generator – Yoke, pole cores and
pole shoes, pole coils, armature core, armature winding commutator
brushes and bearings. Armature winding, pole pitch, conductor, coil pitch,
pitch of winding, back pitch front pitch, resultant pitch, commutator pitch,
single layer winding two layer winding, simplex wave winding, numbering
of coils and commutator segments, simplex lap winding dummy coils use
of lap wave winding dummy coils use of lap wave windings.

8. Types of Generators. Separately excited generator, self excited
shunt would, series would and compound would.

9. DC Motors. Motor principle – comparison of generator and motor action,
significance of back e.m.f.

10. Induction Motors. Advantages and disadvantages, construction stator,
and rotor squirrel cage rotor, phase would rotor, production of rotating field
three phase supply principle of operation. Synchronous speed, slip and
slip speed, measurement of slip frequency of rotor current, relation
between torque and power factor, starting torque of squirrel cage rotor and
slip ring motor, effect of change in supply voltage various losses, rotor
efficiency.

11. Transformers.
(a) Working principles, transformers constructions, core type
transformers.
(b) Theory of an ideal transformer, EMF equation, valtex transformation
ratio.
(c) Transformer on no load and on load.
(d) Transformer tests – open circuit and short circuit tests.
(e) Regulation of transformers, losses in a transformer, efficiency of a
transformer, variation of efficiency with power factor.

12. Three Phase Transformers.
(a) General connections, star delta-star, star-star, delta-delta, open delta
and slot auto
(b) Auto transformers, instrument transformers, current and potential
transformers.

Study Material.
(c) Electrical Technology by BL Thereja
(d) Electricity (set of 7 volumes) by Henry Mileaf

ADVANCED ELECTRONICS
Electronic Materials & Components
1. Switches and Relays. SPST, SPDT, DPST and SPDT. Micro thumb
wheel lever, cross bar and proximity switches, Principle of operation, types
of relays and their construction, operation, specifications, testing and
applications.

2. Integrated Circuit. Monolithic IC, thick and thin film IC, hybrid IC, linear
and digital ICs. Manufacturing process, fabrication of active components
of IC, isolation techniques, IC packaging and package types.

3. Printed Circuit Board. Types of PCB, production of PCB, artwork
etching, soldering and artwork using computer.

Introduction to Microprocessors
4. Introduction to 8085 Instruction Set. Detailed study of all instructions
in 8085.
5. Programming with 8085. Assembly language programs, additions of two
8-bit Nos., 8bit subtraction, 16-bit addition, decimal addition and
subtraction. One’s complement, two’s complement, masking a particular
bit, larger of two numbers, smaller of two numbers,8-bit multiplication and
timing delays.

6. Software development Systems and Assemblers. Components of
software development systems, types of operating systems, types of
operating system of a computer, editor, assemblers and compilers.

Advance LIC
7. Timer Circuits. Study of timer IC 555 specifications, features, block
diagram. Working, pin configurations, 555 as a astable & monostable
multivibrator. Applications of 555. applications of 555 as bistable
multivibrator, square wave generator and pulse stretcher.

8. Waveform Generators. Since wave oscillators, phase shift circuits,
bridge oscillator with amplitude stabilisation, triangular wave & staircase
generator.

9. Phase-Lock Loop. Block diagram of PLL, operation, transfer
characteristics, lock range and capture range. Applications of PLL as
frequency multiplier, FM demodulation, frequency synthesizer etc., study
of one PLLIC.

Power Electronics
10. Rectifiers and Regulators. Polyphase rectifiers with resistive load,
ripple factor considerations, series and shunt regulators, crowbar
protection circuit, over load/over voltage protection, principle of switching
mode regulators, study of regulators ICs such as CA 723, 3085 and IC
317, 3-terminal ICs and their circuits. Dual tracking power supply.

11. Inverters and Converters. Principle of inverters, bridge inverters,
PWM inverters methods to improve O/P of inverter and principle of
choppers. Study of UPS. Principle of cycloconverters with PWM control.
Applications of the power devices.

12. DC Drivers. Introduction, merits and demerits, fields of applications,
basic characteristics of DC motors, constant torque and constant HP
operation, speed control and regulation of DC motors using armature
voltage control. IR drop compensation, armature current limiting single
phase drives using half wave converters, full and dual converters, use of
chopper drives, close loop control of DC drives, microcomputer control of
DC drivers, PWM devices, speed control of DC series motor and current
control of DC drives.

Linear Integrated Circuits
13. On-Amp Application. Bridge amplifier, instrumentation, amplifier,
multiplier and divide circuits, sample and hold circuits and audio power
amplifier.

14. Frequency Compensation. Integrator, differentiator, frequency
compensation techniques, OP-AMP transfer function, bode plot, gain
margin, phase margin and frequency compensation for
integrator/differentiator with practical circuits.

15. Active Filters. Highpass, Lowpass, bandpass, notch, butter worth
filters, first order and second order filters.

Applied Electronics
16. Transistorised Switching Circuits. On-Off switching times,
hold/storage multi-vibrators, Bistable Monostable, astable circuit
operation, wave forms and applications, Schmith trigger, Circuit,
operation, wave forms and fields of applications.

17. Wave Shaping Circuit. Meaning and need of wave shaping circuit
linear wave shaping Circuit, differentiator integrator, their outputs for
different inputs and different time constants, non-linear wave shaping
circuits, diode and transistor clippers and diode clampers.

18. Waveform Generators. Sinusoidal oscillators, LC/RC oscillators, Square
wave generators, triangular wave and miller integrator. Construction,
operation, characteristics, applications and specifications of UJT.

19. Pulse Amplifier. Rise time, requirements of pulse amplifier,
compensating methods. Wide band amplifier using BJT and study of
response to square wave.

Industrial Electronics
20. Electronic Time Delay Relays. DC & AC time delay relays using SCRs
UJT and timer circuit.

21. Power and Photo Devices. Constructions, symbols, operating
principle, characteristics and ratings of DIAC, TRIAC, PUT, SUS, SBS,
SCS, IGBT, GTO and power MOS. Photo emission/photo conduction
principle and devices using this principles such as photodiode,
phototransistor, LDR, photo voltaic cell, solar cell and opto coupler.

22. Industrial Circuits. Power control using TRIAC, fan regulator light
dimmer, static circuit, breaker time delay circuits, zero voltage switch, DC
flasher with adjustable ON-OFF time, burglar alarm and smoke detector.

Microprocessor Interfacing Techniques
23. Parallel Input/Output and Interfacing Applications. Basic interfacing
concept, peripheral I/O instructions, I/O execution, device selection and
data transfer, interfacing I/O using decoders, memory mapped I/O
interfacing and memory bus contention.

24. Interrupts. 8085 interrupts, implementation of interrupts, TRAP, RST
7.5, 6.5 and 5.5. programmable interrupt controller 8259A.

25. Interfacing Data Converters. Digital to analog converter, interfacing 8-
bit D/A converter with 8085 microprocessor, compatible D/A converters.
Analog to digital converters, software controlled A/D converter, interfacing
8-bit A/D converter using status check/wait states and interrupt.

26. Programmable Interface Devices. Interfacing 8212, 8155, 8253, 8255,
8279 and 8257 with 8085 processor.

27. Serial I/O Data communication. Basic concept in serial I/O, I/O
requirement, transmission format, SIMPLEX/DUPLEX transmission,
MODEM, RS-232 and software approach for serial I/O. error detection
and error correction techniques.

Optical Fibre Communication
28. Fibre Optical Source/Devices. Types of optical sources, operating
principle, Snell’s law, Dispersion, Advantages and application of Fibre
optics in Communication and structures of LED and Laser devices.

29. Manufacturing of Fibres and Cables. Cables, splices, connectors and
comparison between optical fibre and conventional electrical transmission
line.

30. Fibre Types. Ray theory of transmission, types of fibres, step index,
graded index and propagation of light through fibre.

Study Material
(a) Electronic Principle by Malvino
(b) Microprocessors by Mathur
(c) Digital Electronics by Tokheim
(d) Electronic Components and materials by Joshi

Attached Files

Chargeman II Mechanical syllabus.pdf (842.2 KB, 398 views)