Techno Electric & Engineering Company Junior Engineer Interview Questions and Answers

Q1. Basic technology questions
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Q1. What is the process of earthing?
Ans. 
Earthing is the process of connecting electrical equipment or installations to the earth to prevent electric shock and protect against electrical faults.
• Earthing involves creating a connection between the electrical system and the earth.

• It is done by burying a metal conductor, such as a copper rod, in the ground.

• The metal conductor is connected to the electrical system using a wire or cable.

• Earthing provides a path for...read more
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Q2. Which type of DGs used at your Site
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The type of DGs used at our site are diesel generators.
• Diesel generators are commonly used as backup power sources in various industries.

• They are reliable and can provide a continuous power supply during electrical outages.

• DGs are often used in remote locations or areas with unreliable grid power.

• They require regular maintenance and fuel supply to operate efficiently.

• Examples of DGs used at our site include Cummins, Ca
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Q3. What is the difference between LT and HT line?
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LT line refers to Low Tension line while HT line refers to High Tension line.
• LT line carries low voltage and is used for domestic and small-scale commercial purposes.

• HT line carries high voltage and is used for industrial and large-scale commercial purposes.

• LT line voltage is typically up to 440 volts, while HT line voltage is above 440 volts.

• LT lines are usually overhead lines, while HT lines can be both overhead and ...read more
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Q4. Which type of Circuit Breakers you used at Site?
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We used different types of circuit breakers at the site depending on the specific requirements.
• We used air circuit breakers (ACBs) for low voltage applications.

• For medium voltage applications, we used vacuum circuit breakers (VCBs) or oil circuit breakers (OCBs).

• In high voltage installations, we used sulfur hexafluoride (SF6) circuit breakers.

• For specialized applications like generator protection, we used differential ...read more
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Q5. How big transformers you used at site
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The size of transformers used at the site varied depending on the specific requirements of the project.
• Transformers used at the site were of different sizes based on the power demand of the electrical system.

• For smaller projects, transformers with a capacity of around 100 kVA were used.

• For medium-sized projects, transformers with a capacity ranging from 250 kVA to 500 kVA were used.

• For larger projects, transformers wit...read more
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Q6. Which type of Batching Plant you used at Site
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We used a stationary type batching plant at the site.
• We used a stationary type batching plant for our construction project.

• The stationary batching plant had a higher production capacity compared to mobile plants.

• It was equipped with multiple storage bins for different types of aggregates.

• The plant had a conveyor belt system to transfer the aggregates to the mixer.

• We used this type of batching plant because it provided
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Q7. At which project you are working
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Q1. What is RDBMS system
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RDBMS stands for Relational Database Management System, a type of database management system that stores data in a structured format.
• Organizes data into tables with rows and columns

• Uses SQL for querying and managing data

• Supports ACID properties for data consistency

• Examples: MySQL, Oracle Database, SQL Server
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Q1. Basic technology questions
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