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:

• Tools & Plant
• Fundamental of Electrical Maintenance:
• Scheduled maintenance
• Minor repairs, Major repairs, overhaul
• Tools and Equipment used for repair work.
• 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 –
• Concept of Cables (Heat Resistant, Fire Retarding, Welding Cables)
• Joint of Conductors and Power cables
• Introduction to welding process and welding equipment’s.
• Welding process.
• Welding torches. Gas cylinders.
• Pressure gauges.
• Electrical Wiring
• Wiring basics
• Types and sizes of wiring cables according to voltage grade, core and strands, Insulation.
• Wiring accessories and cables current carrying capacity.
• Uses of technical drawing, tools and equipment’s.
• Types of drawings and their uses.
• Computer Applications
• Networking (LAN, WAN, Network, Internet, Browsing and Surfing)
• Basics of computers
• Input and Output Devices
• MS (Office - Word and Power Point) Application
• Electrical Instrumentation
• Errors In Am-Meters And Voltmeters
• Multiplier: Purpose Of Multiplier, Its Calculations And Construction
• 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.
• Instrument Transformers: Types (C.T & P.T). Working And Advantages. Theory Of C.T & P.T, Standard Ratios.
• Sub-Station:
• Classification of Substation
• Equipment installed in Sub-station and its purpose
• Bus Bar arrangements.
• Circuit Breaker:
• Phenomena of arc & its effects.
• Magnitude of arc
• Maintenance of arc (Arc quenching)
• Operating Principle of Oil circuit breakers, Air circuit breakers, Gas circuit breakers, Vacuum circuit breakers.
• Parts of Circuit breaker
• Isolators
• Working principle.
• Uses of Isolator
• Difference between CB & Isolator
• Grounding And Insulation:
• star Neutral point
• Necessity of grounding.
• Solid grounding.
• Resistance grounding.
• Reactance grounding.
• Transformer Operation And Protection
• Transformer Faults and Protection relays
• Transformer Tap Changer
• Concept of Bucholz Relay
• Concept of Transformer Star-Delta Connection
• Transmission Line:
• OVERHEAD LINE CONDUCTORS: Type of conductor
• Concept of Sag
• Concept of Skin Effect, Ferranti Effect, Corona effect
• Difference between ACSR and AAAC
• Type of insulators
• Voltage drop in H.V. transmission lines
• Power System fundamentals:
• Import & Export Energy,
• Concept of Active and Reactive Power,
• Power Triangle.
• AC Machines:
• Working Principle of Transformer, AC Motor, Synchronous Generator, Synchronous motors