Approximately

·                 

Total Marks:

85

·                 

Total MCQs:

85

·                 

Total Time

80 minutes

·                 

Test Medium

MCQs

·                 

Negative Marking

No

·                 

Paper Language

English

Sr

Subject

Marks

1.       

Islamic Studies

10

2.       

Pakistan Studies,

General Knowledge

Current Affairs

15

3.       

Job Related Course Content (60 Marks) Must Include:

·       Computer Applications

o   Networking (LAN, WAN, Network, Internet, Browsing and Surfing)

o   Basics of computers

o   Input and Output Devices

o   MS (Office - Word and Power Point) Application

·       Electrical Instrumentation

o   ERRORS IN AM-METERS AND VOLTMETERS

o   MULTIPLIER: Purpose of multiplier, its calculations and Construction

o   CLASSIFICATION OF INSTRUMENTS: Absolute instruments. Secondary instruments. Indicating instruments. Recording instruments. Integrating instruments. Digital instruments. Analog instruments.

ENERGY METER SINGLE PHASE AND THREE PHASE: Types. Construction of single phase Energy meter (induction type). Working Principle. Types of scales in use and reading the scale.

o INSTRUMENT TRANSFORMERS: Types (C.T & P.T). Working and advantages. Theory of C.T & P.T, Standard ratios.

·       SUB-STATION.

o   Classification of Substation

o   Equipment installed in Sub-station and its purpose

o   Bus Bar arrangements.

·       GROUNDING AND INSULATION:

o   star Neutral point,

o   Necessity of grounding.

§  Solid grounding.

§  Resistance grounding.

§  Reactance grounding.

·       Circuit Breaker

o   Phenomena of arc & its effects.

o   Magnitude of arc,

o   Maintenance of arc (Arc quenching),

o   Operating Principle of Oil circuit breakers, Air circuit breakers, Gas circuit breakers, Vacuum circuit breakers.

o   Parts of Circuit breaker

·       Isolators

o   Working principle.

o   Uses.

o   Difference between CB & Isolator

·       PROTECTIVE RELAYING:

o   Necessity of relaying.

o   Concept of Primary and backup Protection,

o   Type of Faults in Power System,

o   Symmetrical and asymmetrical faults

TRANSFORMER OPERATION AND PROTECTION

o   Transformer Faults and Protection relays

o   Transformer Tap Changer

o   Concept of Bucholz Relay

o   Concept of Transformer Star-Delta Connection

·       Transmission Line:

o   OVERHEAD LINE CONDUCTORS: Type of conductor

o   Concept of Sag

o   Concept of Skin Effect, Ferranti Effect, Corona effect

o   Difference between ACSR and AAAC

o   Type of insulators

o   Voltage drop in H.V. transmission lines

·       Power System fundamentals:

o   Import & Export Energy,

o   Concept of Active and Reactive Power,

o   Power Triangle.

·       AC Machines:

o   Working Principle of Transformer, AC Motor, Synchronous Generator, Synchronous motors,

·       Tools & Plant

o   Fundamental of Electrical Maintenance:

o   Scheduled maintenance

o   Minor repairs, Major repairs, overhaul

o   Tools and Equipment used for repair work.

o   Understand The Operations Of Lathe And Grinders:

§  parts of lathe and grinder.

§  functions of lathe.

§  different types of threads and their measuring tools.

§  Measure thread with thread gauge

·       Safety rules to be observed during repair work Understand HT& L.T Power Cables –

o   Concept of Cables (Heat Resistant, Fire Retarding, Welding Cables)

o   Joint of Conductors and Power cables