ELGI Equipments Interview Questions and Answers

General aptitude and basics of core subject

Q1. Flip-flops diagram
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Flip-flops are digital circuits that store a single bit of data using two stable states.
• Flip-flops are used in digital electronics to store binary data.

• They have two stable states: 0 and 1.

• Common types of flip-flops include D flip-flop, JK flip-flop, and T flip-flop.

• Flip-flops are often used in sequential logic circuits to store and transfer data.

• They can be triggered by a clock signal to change their state.
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Q2. Voltage dividers
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Q3. Relay drivers working
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Relay drivers work to control the operation of relays in electrical systems.
• Relay drivers are responsible for sending signals to activate or deactivate relays.

• They ensure proper functioning of relays in various applications such as industrial automation, automotive systems, and electronic devices.

• Relay drivers may use transistors, integrated circuits, or microcontrollers to control the relay operation.

• They need to have...read more
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Q1. Final year Project Explanation
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Q2. Microprocessor and controller
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Q3. Modbus communication
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Q1. Background checks
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Q2. Personality checks
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Q1. Can you introduce yourself?
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Experienced Senior Sales Engineer with a strong background in technical sales and customer relationship management.
• Over 8 years of experience in technical sales

• Skilled in presenting technical solutions to clients

• Proven track record of exceeding sales targets

• Strong communication and negotiation skills

• Previous experience working with cross-functional teams
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Q2. Why should we hire you?
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I have a proven track record of exceeding sales targets and building strong relationships with clients.
• I have X years of experience in sales engineering, with a successful track record of exceeding sales targets by X%

• I have a strong technical background which allows me to effectively communicate complex solutions to clients

• I have a history of building and maintaining strong relationships with clients, resulting in repe
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Q1. How can you effectively sell your product in a competitive market?
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By understanding the market, highlighting unique selling points, building strong relationships, and providing excellent customer service.
• Conduct thorough market research to understand competitors and customer needs.

• Highlight the unique features and benefits of your product compared to competitors.

• Build strong relationships with customers through personalized interactions and follow-ups.

• Provide excellent customer servic
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Q2. What is the market share ratio?
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Market share ratio is the percentage of total sales in a market that is captured by a company or product.
• Market share ratio is calculated by dividing a company's sales by the total sales in the market and multiplying by 100.

• It is used to measure a company's competitiveness and performance in a specific market.

• For example, if a company has sales of $1 million in a market with total sales of $10 million, its market share
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Q1. How is antifrcition bearing differs from journal bearing
Ans. 
Antifriction bearings use rolling elements to reduce friction, while journal bearings use a sliding motion.
• Antifriction bearings use rolling elements like balls or rollers to reduce friction, while journal bearings use a sliding motion between the bearing surface and the shaft.

• Antifriction bearings have lower friction and higher efficiency compared to journal bearings.

• Examples of antifriction bearings include ball bear...read more
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Q2. Write equation for modal analysis of rigid body ?
Ans. 
Modal analysis of rigid body equation involves calculating natural frequencies and mode shapes.
• Modal analysis involves determining the natural frequencies and mode shapes of a system.

• The equation for modal analysis of a rigid body is typically represented as Kx = Mw^2x, where K is the stiffness matrix, M is the mass matrix, w is the angular frequency, and x is the mode shape vector.

• The modal analysis equation helps in ...read more
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Q3. What is mass matrix ?
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Mass matrix is a mathematical representation of the mass distribution of a system in structural dynamics.
• Mass matrix is used in structural dynamics to represent the mass distribution of a system.

• It is a square matrix that relates the accelerations of different points in a structure to the forces acting on those points.

• The mass matrix is typically diagonal for systems with uniform mass distribution.

• In finite element ana...read more
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Q4. Explain about eigen values for free vibration ?
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Eigen values for free vibration represent the natural frequencies at which a system will vibrate without any external forces.
• Eigen values are the values of natural frequencies at which a system vibrates without any external forces.

• They are obtained by solving the characteristic equation of the system.

• Each eigen value corresponds to a mode shape, which describes the pattern of vibration.

• Higher eigen values indicate high...read more
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Q5. How do you derive frequency from free/forced vibrations ?
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Frequency can be derived from free/forced vibrations by analyzing the period of the vibrations.
• Frequency is the reciprocal of the period of the vibration.

• For free vibrations, the natural frequency of the system can be determined by analyzing the oscillations without any external force.

• For forced vibrations, the frequency can be determined by analyzing the response of the system to an external force at different frequen...read more
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Q6. How noise is generate from perfect design gear box ? Do not tell that gear tooth damage, eccentricity in shaft ? Apart from this
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Q7. Finally interview ask any questions from me ?
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Q1. My humble request to not join this company.. Specially who is coimbatore residents presently working outside and trying to look for a job in coimbatore... very toxic work culture and toxic hr and the n...read more
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Q2. Very worst, elgi spoiled my future my family im in nadu theru now... im just 35years age now😥😥
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