Electrician (Practical) – Semester II 18/A/C/S-2/4/E
Electrician (Practical) – Semester II
Paper Code: 18/A/C/S-2/4/E
Set: P-2
Code: 33/231
Time: 8 Hours
Maximum Marks: 270
Note: Attempt all questions.
ITI Trade: Electrician
Course Overview
This two-year Electrician trade course is offered under the Craftsman Training Scheme (CTS) by the National Council for Vocational Training (NCVT). It trains students in electrical installation, maintenance, and repair, preparing them for roles such as electrician, wireman, or electrical technician.
The course includes:
Course Overview
- Trade Name: Wireman
- Duration: 2 Years (4 Semesters)
- NSQF Level: Level 5
- Eligibility: 8th Grade Pass
The ITI "Electroplater" trade is a two-year vocational training program under the Craftsman Training Scheme (CTS), governed by the National Council for Vocational Training (NCVT). This course equips trainees with skills in electroplating techniques, surface preparation, and the application of protective and decorative coatings on metal surfaces.
The Electrician (Power Distribution) ITI trade is a 2-year NSQF Level 4/5 course focused on installing, operating, maintaining, and repairing electrical power distribution systems. It covers transformers, overhead lines, underground cables, switchgear, and safety procedures, preparing technicians for roles in electricity boards, utilities, and industries.
Key Details
- Trade Name: Lift and Escalator Mechanic
- Duration: 2 Years (4 Semesters)
- NSQF Level: Level 5
- Eligibility: 10th Grade Pass with Science and Mathematics
Sem - 4 4/July/ 2018
Time: 8 Hours
Maximum Marks: 270
Note: Attempt all the questions. All questions carry equal marks.
Electrician
- Identify terminals, parts and connections of different types of DC machines.
- Measure field and armature resistance of DC machines.
- Determine build up voltage of DC shunt generator with varying field excitation and performance analysis on load.
- Test for continuity and insulation resistance of DC machine.
- Start, run and reverse direction of rotation of DC series, shunt and compound motors.
- Perform no load and load test and determine characteristics of series and shunt generators.
Electrician (Practical) – Semester II 17IA/C/S-2/4/E
Electrician (Practical) – Semester II
Paper Code: 17IA/C/S-2/4/E
Code: 33/231
Time: 8 Hours
Maximum Marks: 270
Note: Attempt all questions.
Sem - 2 2/July/ 2018
Electrician (Practical) – Semester II
Session: 2017–2018 | NSQF Level: 5
Time: 8 Hours
Maximum Marks: 270
Note: Attempt any three questions. All questions carry equal marks.
Materials used for winding and winding wires in small transformer.
🧵 Materials Used for Winding and Winding Wires in Small Transformers
In small transformers, the choice of winding materials is critical to ensure efficiency, reliability, and thermal stability. Different materials are selected based on their electrical conductivity, mechanical strength, and thermal endurance. 🌟
Testing of transformer oil.
🧪 Testing of Transformer Oil
Transformer oil, also known as insulating oil, plays a crucial role in cooling and insulating transformers. Over time, the quality of transformer oil can degrade due to contamination, oxidation, or moisture absorption. Hence, regular testing is essential to ensure proper functioning and longevity of transformers. 🛡️
Types of Cooling, protective devices, bushings and termination etc.
🌬️ Types of Cooling, Protective Devices, Bushings and Termination 🌬️
🧊 Types of Cooling Methods for Transformers
Cooling is essential for transformers to prevent overheating and ensure reliable operation. The main types of cooling are:
Method of connecting three single phase transformers for three phase operation.
🔌 Method of Connecting Three Single Phase Transformers for Three Phase Operation 🔌
In three-phase power systems, it is common to use either a single three-phase transformer or three single-phase transformers connected together to achieve the required three-phase operation. When using three single-phase transformers, various connection methods are employed to suit different applications. Let’s explore the major connection methods! ⚡⚙️
Voltage Regulation and efficiency. Auto Transformer and instrument transformers (CT & PT).
⚡ Voltage Regulation, Efficiency, Auto Transformer & Instrument Transformers ⚡
In electrical systems, understanding concepts like **Voltage Regulation**, **Efficiency**, and **Auto Transformers** is critical for ensuring the optimal performance of electrical equipment. Additionally, the usage of **Instrument Transformers** such as **Current Transformers (CT)** and **Potential Transformers (PT)** plays a significant role in accurate measurement and protection systems. Let's explore these concepts in detail. 🔌⚙️