Dilip Buildcon Junior Engineer Electrical Interview Questions and Answers

Transformer Testing
Transformer protection
Relay
CT
Breker
HT & LT Panel
Moter IR&WR & PI
Moter Name Plet
Earthing

Q1. Present Company
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Q2. Your Present Sailri
Ans. 
My current salary is competitive for a junior engineer position in the electrical field.
• My current salary is in line with industry standards for junior engineers in the electrical field.

• I am satisfied with my current salary and feel it reflects my skills and experience.

• I have received positive feedback on my performance which may have contributed to salary increases.

• I am open to discussing salary expectations for a new...read more
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It's basic level of questions you don't have panic give it with positive attitude.questions are asked from time and work, coding decoding, basic verbal questions and profit loss

Q1. What is diesel generator, transformer & HVAC
Ans. 
Diesel generator is a backup power source using diesel fuel, transformer is a device that transfers electrical energy between circuits, and HVAC is a system for heating, ventilation, and air conditioning.
• Diesel generator: provides backup power using diesel fuel, commonly used in areas with frequent power outages

• Transformer: transfers electrical energy between circuits, stepping up or down voltage levels as needed

• HVAC: ...read more
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Q2. Operation & maintenance LT pannel & HT pannel
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Q3. What is fire fighting system
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A fire fighting system is a set of equipment and procedures designed to detect, control, and extinguish fires in a building or area.
• Includes fire alarms, sprinkler systems, fire extinguishers, and fire hoses

• May also involve fire suppression systems like foam or gas

• Designed to protect lives and property in the event of a fire

• Regular maintenance and testing are crucial to ensure effectiveness
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Q4. What is DM plant
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DM plant stands for Demineralization plant, used to remove minerals and salts from water.
• DM plant is used in industries to produce demineralized water for various processes.

• It consists of ion exchange resins to remove minerals like calcium, magnesium, and salts from water.

• The process involves passing water through cation and anion exchange columns to remove ions.

• DM plant is essential in power plants, pharmaceutical ind...read more
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Q5. What is acb,vcb,mccb, mcb
Ans. 
ACB, VCB, MCCB, MCB are types of circuit breakers used in electrical systems.
• ACB stands for Air Circuit Breaker, used for high voltage applications.

• VCB stands for Vacuum Circuit Breaker, used for medium voltage applications.

• MCCB stands for Molded Case Circuit Breaker, used for low voltage applications.

• MCB stands for Miniature Circuit Breaker, used for residential and commercial applications.
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Q6. Fire fighting system
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Q7. ACB,VCB,MCCB,MCB,OCB etc
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Q1. Motor type, Pump lowering, ESR piping etc.
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Q2. Solar Specification
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Q1. Notice period is negotiable
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Q2. 30%hike on current ctc
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General knowlegde, Basic Aptitude, Domain Technical MCQ

Genx vs Genz, Altitude and comparsion

Q1. Components of Transformer
Ans. 
Components of a transformer include core, windings, and insulation.
• Core: Provides a path for magnetic flux

• Windings: Primary and secondary coils for inducing voltage

• Insulation: Prevents short circuits and ensures safety
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Q2. Question based on series and parallel resistance
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Normal introduction and interview

Q1. Type of electrical motor
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There are various types of electrical motors including AC motors, DC motors, synchronous motors, and induction motors.
• AC motors: commonly used in household appliances and industrial applications

• DC motors: used in applications where speed control is important, such as in electric vehicles

• Synchronous motors: used in applications where precise speed control is required, such as in clocks and timers

• Induction motors: widely...read more
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Q2. 3 phase induction motor starter
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Q3. Protection of transformer
Ans. 
Protection of transformer involves measures to prevent damage from overcurrent, overvoltage, and overheating.
• Use overcurrent protection devices such as fuses and circuit breakers to prevent damage from excessive current flow.

• Install overvoltage protection devices like surge arresters to safeguard against voltage spikes.

• Implement temperature monitoring systems to prevent overheating, such as thermal sensors and cooling ...read more
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Q4. ACB VCB maintenance
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Q5. Star delta connection
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