Panyam Cements & Mineral Industries Junior Engineer Electrical Interview Questions and Answers

Aptitude test question for 20

Q1. Technical question for 10
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Q2. What is transformer
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two or more coils of insulated wire wrapped around a core

• Primary coil receives electrical energy and induces a magnetic field in the core

• Secondary coil receives energy from the magnetic field and transfers it to the load

• Used to step up or step down voltage levels in electrical systems

• Com...read more
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Q3. What is capacitor
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A capacitor is an electronic component that stores and releases electrical energy in a circuit.
• Capacitors consist of two conductive plates separated by an insulating material called a dielectric.

• They are used to filter out noise in electronic circuits, store energy in flash cameras, and smooth out voltage fluctuations in power supplies.

• Capacitance is measured in Farads (F) and determines how much charge a capacitor can...read more
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Q4. Full form miniature circuit breaker
Ans. 
Miniature Circuit Breaker (MCB) is a device designed to protect electrical circuits from overloads and short circuits.
• MCB stands for Miniature Circuit Breaker

• It is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions

• MCBs are commonly used in residential, commercial, and industrial applications

• They are available in different ratings such as 6A, 10A, 16A, etc.

• MCBs are m...read more
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Q5. What is ac and dc
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AC stands for alternating current, which periodically changes direction. DC stands for direct current, which flows in one direction.
• AC is commonly used in household appliances and power distribution systems.

• DC is commonly used in batteries and electronic devices.

• AC changes direction periodically, while DC flows in one direction continuously.

• AC is generated by power stations and transmitted over long distances.

• DC is use...read more
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About logic and lader

Q1. Design the control system for kiln
Ans. 
Designing a control system for a kiln involves implementing sensors, actuators, and a feedback loop to regulate temperature and other parameters.
• Identify the key parameters to be controlled, such as temperature, airflow, and pressure.

• Select appropriate sensors to measure these parameters, such as thermocouples, pressure transducers, and flow meters.

• Choose actuators to adjust the parameters, such as heating elements, fa...read more
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Q2. Plc /io/documentation
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Q1. Related to Electrical engineering
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Q2. Alternator maintenance
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Q3. Which type alternator you worked, Transformer maintenance
Ans. 
I have worked with synchronous alternators and have experience in transformer maintenance.
• Worked with synchronous alternators in power generation applications

• Performed maintenance on transformers to ensure proper functioning

• Experience in troubleshooting and repairing electrical equipment

• Knowledge of safety protocols and regulations in electrical engineering

• Collaborated with team members to complete projects efficiently
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Q1. General questions , about family background
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Q1. Electrical maintenance , Power saving related .
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Q1. LRS working principle and slip ring .
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Q2. About Transformers maintanabace
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Q3. HT and LT motors maintanace
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Q1. General family background and introduction
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Q1. Related to motor maintenance Transformer maintenance Daily checking parameters Related coordination Relay protection
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Q1. About your previous company experience??
Ans. Tell them about your previous company job details.
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Q1. Your expected salary
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Q2. Ask at least 20% of hike in increment except accomodation
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