Sem - 4 4/July/ 2018
Time: 8 Hours
Maximum Marks: 270
Note: Attempt all the questions. All questions carry equal marks.
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
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. 🌟
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. 🔌⚙️
Series and parallel operation of transformer.
🔌 Series and Parallel Operation of Transformers 🔌
The operation of transformers in series or parallel configurations is an essential concept in power systems, especially for large-scale power distribution. Transformers can be connected in either **series** or **parallel** to handle different types of load demands. In this section, we will discuss the series and parallel operation of transformers, their advantages, and applications. ⚡🔋
Turn ratio and e.m.f. equation.
🔄 Turn Ratio and E.M.F. Equation of a Transformer 🔄
A transformer is an essential electrical device used to step up or step down voltage in alternating current (AC) circuits. The **turn ratio** and the **electromotive force (E.M.F.) equation** are key concepts in understanding how transformers function. Let's dive into these concepts and understand their significance. ⚡🔌
Single phase and three phase transformers.
🔌 Single Phase and Three Phase Transformers 🔌
A transformer is an essential electrical device used to change the voltage levels in alternating current (AC) circuits. Transformers can be classified into two main categories based on the number of phases in their operation: **Single Phase Transformers** and **Three Phase Transformers**. Both types are vital for different applications, and understanding their differences is crucial for selecting the right transformer for a particular job.