1. POORNIMA COLLEGE OF ENGINEERING
A
PRESENTATION ON
INDUSTRIAL TRAINING
SESSION(2013-2014)
ELECTRONICS AND COMMUNICATION ENGINEERING
Submitted To:
Mr. Amit Prajapati
Mr. Tarun Mishra
Submitted By:
Mrinal Bagherwal
EC/10/66
3. IOCL
Indian Oil Corporation Limited, or IndianOil, is an Indian
state-owned oil and gas corporation
IndianOil began operations in 1959 as Indian Oil Company Ltd.
The Indian Oil Corporation was formed in 1964, with the merger
of Indian Refineries Ltd.
One of the 7 Maharatna status companies of India
The highest ranked Indian company in the Fortune Global 500
listing
The 18th largest petroleum company in the world.
4. IOCL
Indian Oil operates the largest and the widest network of
fuel stations in the country
Indian Oil’s products are auto LPG, aviation turbine fuel,
lubricants, naphtha, bitumen, paraffin, etc.
Supply LNG by cryogenic transportation which is called as
"LNG at Doorstep"
Supply Indane cooking gas to over 66.8 million households
through a network of 5,934 Indane distributors
Started Auto LPG Dispensing Stations (ALDS)
5. COMPANY PROFILETYPE Public
INDUSTRY Oil And Gas
FOUNDED 1964
HEADQUARTERS New Delhi, India
CHAIRMAN RS Butola
REVENUE Us$ 76.05 Billion
OPERATING INCOME Us$ 3.30 Billion
PROFIT US$ 786 Million
TOTAL ASSETS Us$ 40.88 Billion
OWNER(S) Government Of India
EMPLOYEES 36,198
6. BRANDS
Indane Gas - Domestic and Industrial Gas
Auto Gas - Automotive Natural Gas
Xtra Premium - Automotive Premium Petrol
Xtra Mile - Automotive Premium Diesel
Servo - Lubricants and Greases
Indian Oil Aviation
7. RECRUITMENT
Interested candidates meeting IndianOil’s requirements can
apply online
Applications are then scrutinized and checked for eligibility.
The candidates meeting the criteria set by IndianOil are
then called for a written test
Based on their performance in the written test, they are
further called for group discussion(GD)/ group task and
interview(PI)
The prescribed qualifications are a minimum of 65% marks in
Engineering or Business Management from recognized
institutes
8.
9. Type: State-owned enterprise
Public BSE SENSEX Constituent
Industry: Electrical equipment
Founded: 1964
Headquarter: New Delhi, India
Area served: Worldwide
Key people: B.P. Rao (Chairman & MD)
Revenue: US$ 9.07 billion
Net income: US$ 1.33 billion
Employees: 60,274
Website: www.bhel.com
10. BHEL
Bharat Heavy Electricals Limited (BHEL) is an Indian state-
owned integrated power plant equipment manufacturer &
operates as an engineering and manufacturing company
One of the only 7 mega Public Sector Undertakings (PSUs) of
India clubbed under the esteemed 'Maharatna' status
7th largest power equipment manufacturer in the world
In the year 2011, it was ranked 9th most innovative company in
the world by US business magazine Forbes
11. BHEL’S Portfolio
BHEL caters to core sectors
of the Indian Economy viz.,
Power Generation's &
Transmission,
Industry,
Transportation,
Telecommunication,
Renewable Energy,
Defence and many more.
13. BHEL Haridwar
It consists of 2 main units:
Heavy Electrical Equipment Plant (HEEP)
Central Foundry Forge Plant (CFFP)
HEEP area: 8.45 sq km
CFFP area: 1.0 sq km
14. PRODUCTS
Boiler (steam generator)
Gas generator, Hydro generator
Steam turbine
Gas turbine
Hydro turbine
AC Motors, Transformer
Oil field equipment, Boiler drum
Water wall panel, Coils
SOFA panels, Burner panels, Piping
Wind mill, Valves
Electrostatic precipitators
R & D products, Aircraft
15. HOW TO APPLY
Only candidates who are going to give GATE EXAM are Eligible
for the vacancies in BHEL
The score obtain in GATE will be utilized by BHEL
Candidates are to be required to apply online registration for
BHEL separately
Candidates have to fill-in the on-line application form giving
accurate information including the GATE registration number on
the website http://careers.bhel carefully
GEN/OBC candidates are required to make a payment of Rs.
100/- as processing fee.
16. TELECOMMUNICATION
Manufactures EPABX and MAX systems based on C-Dot technology
It is necessary to run a number of internal cables between the
following stages and frames:
Handset to exchange’s cable chamber
Cable chamber to M.D.F.
M.D.F. to L.D.F.
L.D.F. to number block
Number block to Exchange Equipment
Between two exchanges
Between two cities
Between two countries
17. Manual &
Automatic Telephony
Higher level of secrecy is maintained
No possibility of the calls being missed or wrong metering
being done
Running cost of the exchange is reduced
18. ELECTRONIC
EXCHANGES
Tone type: In this type of exchange sine wave is used.
Their speed of dialling for a given number is more than
that of pulse type.
Pulse type: In this type of exchange square wave is
used due to which dialling speed is lesser.
20. M.D.F.
Place where both external and internal cables are
terminated.
External individual cables carry conductors from subscribers
Internal cable conductors come from apparatus side
Cross section between the two cables is done on the M.D.F.
through jumper wires
M.D.F. carries all the protectors used in the exchange:
Fuses
Heat Coils &
Lightening Protectors.
22. L.D.F.
These frames consists of a large number of verticals with
horizontal cross arms fitted with tag blocks
The cable from M.D.F. is terminated on the multiple sides &
from the exchange side cables run to the line cards
The two tag blocks are joined by jumper wires, so that any
subscriber can be given connection to any uniselector on the
line card
The subscriber’s uniselector are divided into different
groups & these originate the same amount of traffic for
smooth distribution.
23. TELEPHONE LINES
MAX Lines: MAX Ex. Lines are used for both internal
(Intercom) and external communication links in BHEL.
EPABX Lines: also used for both internal and external
communication links in BHEL. There are about 500 lines
available in BHEL Haridwar
C Dot Lines: These are the direct telephone. The facility
they provide is called DID. It has 24 lines.
24. CONNECTION TYPES
With wires i.e. Cables
Underground cables
Overhead cables
Wireless Microwave Links through Satellite
25. TYPES OF CABLES
In an exchange following types of cables are used:
Single Pair cable
2 Pairs cable
5 Pairs cable
10 Pairs cable
20 Pairs cable
50 Pairs cable
100 Pairs cable
26. COLOR CODING
TYPE COLOR OF WIRES
Single pair Blue-White
2 Pair cable Blue-White/Orange-White
5 Pair cable Blue-White/Orange-White/Green-White/Brown-
White/Grey-White
10 Pair cable Blue-White/Orange-White/Green-White/Brown-
White/Grey-White/Blue-Red/Orange-Red/Green-
Red/Brown-Red/Grey-Red
20 Pair cable Blue-White/Orange-White/Green-White/Brown-
White/Gray-White/Blue-White-blue/Orange-
White-Blue/Green-White-Blue/Brown-White-
Blue/Gray-White-Blue/Blue-White-
Orange/Orange-White-Orange/Green-White-
Orange/Brown-White-Orange/Gray-White-
Orange/Blue-White-Green/Orange-White-
Green/Green-White-Green/Brown-White-
Green/Gray-White-Green
27. General Faults Occurring
In An Exchange
Faults that occur due to Line:
Break Fault
Loop Fault
Earth Fault
Faults that occur due to Instrument:
Number not being dialled
One Way Speech
Receiver coil faulty
Plunger or Push switch faulty
Dial tone breaks after 2-3 rings
28. LIST OF SPECIAL USER
FEATURES
MAX (Coral India Pvt. LTD, NOIDA)
Manufacturer: Jeumont Schinedier, France
Capacity: 2700 lines
EPABX = ALCATEL 4400
Manufacturer: ALCATEL, FRANCE
Capacity: 500 lines (96 DIGITAL, 404 ANALOG)
Technology used: PCM - TDM
29. OPTICAL FIBER SYSTEM
Fiber optical transmission medium
is fast emerging as a competitor to
coaxial cables
Long distance data transmission in
electrical cables suffers from
ground loop problems. The basic
material used in their construction
is nonmetallic and electrically
nonconductive.
Broadband Optical Fiber
System