Shirdi Sai Electricals Interview Questions, Process, and Tips

It includes Aptitude, and Technical questions Total 100 questions

Q1. Face to face interview it Includes General, Technical, and verbal English questions
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Aptitiude, Reasoning , EEE basic Questions

Q1. Electrical Transformer
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Q2. What is Transformer
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two coils of wire, known as primary and secondary coils

• Primary coil receives electrical energy and creates a magnetic field

• Magnetic field induces a voltage in the secondary coil, transferring energy

• Used in power distribution, voltage regulation, and electrical isolation

• Exampl...read more
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Q3. What is mutual Induction
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Mutual induction is the process where a changing current in one coil induces a voltage in another coil.
• Mutual induction occurs when two coils are placed close to each other and the magnetic field produced by one coil induces a voltage in the other coil.

• The induced voltage in the second coil is directly proportional to the rate of change of current in the first coil.

• This phenomenon is the basis for the operation of tran...read more
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Q4. What is flux, Current
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Flux is the flow of electric or magnetic field lines through a surface, while current is the flow of electric charge.
• Flux is a measure of the flow of a physical property through a given area.

• In electromagnetism, flux refers to the flow of electric or magnetic field lines through a surface.

• Current is the flow of electric charge through a conductor.

• Flux and current are related through Faraday's law of electromagnetic ind
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Q1. Basic questions
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20 Questions asked on Aptitude and Reasoning

Q1. Tell me about yourself
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Q2. Family Background
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Q3. Can u work in shift timings
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Q4. Can u give bond for 3 year's
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Q5. Can you keep original certificates with us until 5 years
Ans. 
Yes, original certificates can be kept with the company for up to 5 years.
• Original certificates can be securely stored by the company for record-keeping purposes.

• It is common practice for companies to retain original certificates of employees for a certain period of time.

• Having original certificates on file can be useful for verification purposes or in case of audits.

• Employees should ensure that copies of their certifi...read more
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Q1. Difference between batch and mass production?
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Batch production involves producing a specific quantity of items at a time, while mass production involves continuous production of large quantities.
• Batch production is more flexible and allows for customization of products.

• Mass production is more efficient and cost-effective for producing large quantities.

• Batch production is common in industries like pharmaceuticals, bakeries, and breweries.

• Mass production is common i...read more
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Q2. How many subjects in ur btech college
Ans. 
I had 8 subjects in my btech college.
• I had subjects like Mechanical Engineering, Electrical Engineering, Computer Science, etc.

• Each semester had different subjects based on the curriculum.

• Some common subjects included Thermodynamics, Control Systems, Data Structures, etc.
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Q3. Density of Cu, Al, Mild steel, Stainless steel
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Density of Cu, Al, Mild steel, Stainless steel
• Density of Copper (Cu) is approximately 8.96 g/cm^3

• Density of Aluminum (Al) is approximately 2.70 g/cm^3

• Density of Mild Steel is approximately 7.85 g/cm^3

• Density of Stainless Steel can vary depending on the grade, but is typically around 7.9 g/cm^3
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Q4. Calculate weight of 1mX1mx3mm MS plate?
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The weight of a 1mX1mX3mm MS plate can be calculated using the formula: Weight = Length(m) x Width(m) x Thickness(mm) x Density of MS (kg/m^3)
• Convert the thickness from mm to m (3mm = 0.003m)

• Density of MS is typically around 7850 kg/m^3

• Calculate the weight using the formula: Weight = 1m x 1m x 0.003m x 7850 kg/m^3
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Q5. Area of Rectangle, square, ellipse, circle, hexagon
Ans. 
The area of a rectangle is length multiplied by width, square is side squared, ellipse is pi times major axis times minor axis, circle is pi times radius squared, and hexagon is 1.5 times apothem times perimeter.
• Rectangle: Area = length x width

• Square: Area = side x side

• Ellipse: Area = pi x major axis x minor axis

• Circle: Area = pi x radius x radius

• Hexagon: Area = 1.5 x apothem x perimeter
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Q1. Ratings of transformer
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Transformer ratings are specified in terms of voltage, current, and power.
• Transformer ratings indicate the maximum voltage and current that can be applied to the primary and secondary windings.

• Power rating specifies the maximum power that can be transferred through the transformer.

• Ratings also include frequency, insulation class, and temperature rise.

• Examples of transformer ratings include 10 kVA, 480V/240V, 60 Hz, Cla
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Q2. Types of transformers
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Transformers are of two types - Step-up and Step-down transformers.
• Step-up transformers increase voltage while decreasing current

• Step-down transformers decrease voltage while increasing current

• Other types include isolation transformers, autotransformers, and instrument transformers

• Isolation transformers are used to isolate a circuit from the power source

• Autotransformers have a single winding and are used for voltage re...read more
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Q1. Transformers function
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Q2. Electrification process
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