Electronics & Controls Power Systems Interview Questions and Answers

Q1. Witch type transformer use in elevator?
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Q2. Difference in open loop or close loop
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Q1. Questions related to core mechanical engg
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Q2. Product related questions
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Cable selection
Panel components mounting
Panel layout?

Q1. Latest working version of Eplan
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Q2. Eplan command
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Q1. First angle and third angle symbol
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First angle and third angle symbols are used in engineering drawings to indicate the orientation of the views.
• First angle projection is commonly used in Europe and Asia, where the top view is placed below the front view.

• Third angle projection is commonly used in North America, where the top view is placed above the front view.

• The symbol for first angle projection is a triangle with the number 1 inside, while the symbol...read more
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Q2. Welding symbols
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Q3. Types of gears and bearings
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Types of gears include spur, helical, bevel, worm, rack and pinion. Types of bearings include ball, roller, plain, and fluid bearings.
• Types of gears: spur, helical, bevel, worm, rack and pinion

• Types of bearings: ball, roller, plain, fluid
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Q4. Four Heat treatment process name
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Four common heat treatment processes are annealing, quenching, tempering, and normalizing.
• Annealing involves heating the material to a specific temperature and then slowly cooling it to relieve internal stresses and increase ductility.

• Quenching is a rapid cooling process used to harden materials by forming a martensitic structure.

• Tempering is a heat treatment process that involves reheating the quenched material to a s...read more
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Q5. Welding,brazing and soldering difference between them.
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Welding joins two metal pieces by melting them together, brazing joins them with a filler metal at lower temperatures, and soldering joins them with an even lower melting point filler metal.
• Welding involves melting the base metals and adding a filler material to create a strong joint, typically at high temperatures.

• Brazing uses a filler metal with a melting point above 450°C but below the melting point of the base meta...read more
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Q6. CSK bolt drawing
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Q7. Tpi and bsp dull form
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Coding+ mcqs questions are there. It is time based test.

Q1. Mechanical related questions. About pumps, turbines etc
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Q2. Also sql, c# questions
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Q1. Advanced mechanical question
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Q2. Advanced sql, c# questions
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Q1. Manufacturing department
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Q2. Manpower handle
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Q3. Daily target production
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Q1. How does a CNC machine works?
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A CNC machine works by using computer programs to control the movement of the machine's tools and workpiece to create precision parts.
• CNC machines use computer programs to control the movement of the cutting tools and workpiece.

• The programs are created using CAD/CAM software and converted into G-code instructions.

• The machine reads the G-code instructions and moves the tools along the specified paths to cut and shape th...read more
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Q1. Are you willing to work hard
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Q2. Are a work in rotational shifts
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