La-Gajjar Machineries Telli Caller Interview Questions and Answers

Q1. Share details of your previous job.
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Q2. Why are you looking for a change?
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Q1. What is the annual revenue and market areas i take care of. Regarding product understanding.
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Q1. Share details of your previous job.
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Q2. Salary negotiation. Present CTC
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Power electronics

Maximum rating of ups ever install by me

Q1. Why you want to join aur company
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Q1. How was your last Experience in previous/current company
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Q2. Expecting salary and why?
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Q1. Civil R&D and tendering related knowledge check
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Manegement Topic of running our company

Q1. Why Current transformer secondary is open?
Ans. 
Current transformer secondary is open to prevent damage to the transformer and connected equipment.
• An open secondary circuit prevents excessive current flow and protects the transformer from damage.

• It allows for safe measurement and monitoring of current without risk of short circuits.

• An open secondary also prevents damage to connected equipment by isolating it from high currents.

• In case of a fault or overload, an open...read more
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Q2. What is different between CT and PT?
Ans. 
CT and PT are both electrical devices used in power systems, but they have different functions and applications.
• CT stands for Current Transformer, while PT stands for Potential Transformer.

• CTs are used to measure and transform high currents into manageable levels for instruments and protective relays.

• PTs are used to measure and transform high voltages into low voltages for instruments and protective relays.

• CTs are typi...read more
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Q3. Draw the single line diagram for HY to LT Panel diagram?
Ans. 
The single line diagram for HY to LT Panel diagram is a visual representation of the electrical connections and components in the system.
• The single line diagram shows the flow of electrical power from the HY (High Voltage) side to the LT (Low Tension) side.

• It includes the main components such as transformers, circuit breakers, switches, and control devices.

• The diagram also indicates the interconnections between differe...read more
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Q4. How many circuit Breakers used in Electrical system?
Ans. 
The number of circuit breakers used in an electrical system varies depending on the size and complexity of the system.
• The number of circuit breakers used in an electrical system depends on factors such as the size of the system, the number of circuits, and the specific requirements of the building or facility.

• Residential electrical systems typically have a main circuit breaker at the electrical panel, along with indivi...read more
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Q1. How to manage in power failure situation?
Ans. 
In a power failure situation, effective management involves ensuring safety, communication, and contingency planning.
• Ensure the safety of employees and customers by providing emergency lighting and clear evacuation procedures.

• Maintain open lines of communication with staff, customers, and relevant authorities to provide updates and coordinate actions.

• Implement contingency plans such as backup power sources, alternative...read more
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Q2. What's the B check in generator?
Ans. 
B check in a generator refers to a comprehensive inspection and maintenance procedure to ensure its proper functioning.
• B check involves a thorough examination of the generator's components, including the engine, fuel system, cooling system, electrical system, and control panel.

• It includes tasks such as checking for leaks, inspecting belts and hoses, testing the battery, cleaning or replacing filters, and verifying prop...read more
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Q1. Personal information & Market Sales Question
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Q2. Personal information Question
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Q3. Old Company Market Sales Question
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Q4. Old Company Question
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Q1. What kind of work you enjoy doing and would love to do for our mutual growth?
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Q2. Let us know your definition of honesty.
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Q1. 4g architecture & interface, protocol
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Gk,reasoning maths qution online exam

Q1. Electronics components used and registaance
Ans. 
Electronics components used in service engineering include resistors, capacitors, diodes, transistors, and integrated circuits.
• Resistors are used to limit current flow and adjust voltage levels.

• Capacitors store and release electrical energy.

• Diodes allow current to flow in only one direction.

• Transistors amplify or switch electronic signals.

• Integrated circuits contain multiple components on a single chip.
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