Hindalco Industries Junior Engineer Electrical Interview Questions, Process, and Tips

Q1. How many layers in underground cable
Ans. 
Underground cables typically have multiple layers for insulation and protection.
• Underground cables usually have three layers: conductor, insulation, and protective sheath

• The conductor layer carries the electrical current

• The insulation layer prevents leakage of current and protects against environmental factors

• The protective sheath provides additional protection from moisture, chemicals, and physical damage
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Q1. What is circuit braker
Ans. 
A circuit breaker is an automatic electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit.
• It is a safety device that automatically interrupts the flow of current in a circuit when it exceeds a safe level

• It is used to protect electrical equipment from damage due to overcurrent

• It can be reset after tripping, unlike a fuse which needs to be replaced

• It comes in different ...read more
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Q2. Type of motor,D.C and A.C MOTOR
Ans. 
DC motors and AC motors are two types of electric motors commonly used in various applications.
• DC motors operate using direct current, while AC motors operate using alternating current.

• DC motors are typically used in applications that require high torque at low speeds, such as in electric vehicles and robotics.

• AC motors are commonly used in household appliances, industrial machinery, and HVAC systems.

• DC motors are simp...read more
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Q1. Define the term Capacitance and Inductance?
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Capacitance is the ability of a body to store an electric charge. Inductance is the ability of a coil to store energy in a magnetic field.
• Capacitance is measured in Farads (F)

• Capacitors are used to store energy in electronic circuits

• Inductance is measured in Henrys (H)

• Inductors are used in electronic circuits to store energy in a magnetic field

• Both capacitance and inductance are important in AC circuits
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Q2. Mention what are the different kind of cables used for transmissions?
Ans. 
Different types of cables used for transmissions include coaxial, twisted pair, fiber optic, and ribbon cables.
• Coaxial cables are used for high-frequency transmissions and have a copper core surrounded by insulation and a braided shield.

• Twisted pair cables are used for low-frequency transmissions and have two insulated copper wires twisted together.

• Fiber optic cables use light to transmit data and are made of glass or ...read more
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Q1. About the resume and salary detail and company police and ethics related things
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After job description will get relateble test

Q1. After amplitude test will going to the final round of technical experience tests and related discussions
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Q1. Electrical theory and plc based question.
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Q2. Electrical and plc based question and answers.
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Q3. Electrical cable and motors.
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Q1. Why do u want to join our company
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Q2. What is ur achievement in previous company.
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Q3. What is ur salary expectation.
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Q1. Salary and why ?
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Q1. Takniki raund ka upchar hai
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Q2. Round ek upchar karne hai
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Q3. Anubhavkarna ekexperiencehai
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Q4. Kary ke pratiVikashkarna
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Q5. Work progress electrical
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