Neo Metaliks Junior Electrical Maintenance Engineer Interview Questions and Answers

Q1. What is refractories
Ans. 
Refractories are materials that can withstand high temperatures and are used in furnaces, kilns, and other high-temperature applications.
• Refractories are made from materials such as clay, silica, alumina, and magnesia.

• They are used to line furnaces, kilns, and other high-temperature equipment to protect them from heat and corrosion.

• Refractories are classified based on their chemical composition, physical properties, an...read more
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Q2. How many types refractories
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There are three types of refractories: acidic, basic, and neutral.
• Refractories are materials that can withstand high temperatures and are used in furnaces, kilns, and other high-temperature applications.

• Acidic refractories are made of materials like silica and alumina and are used in acidic environments.

• Basic refractories are made of materials like magnesia and dolomite and are used in basic environments.

• Neutral refrac...read more
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Math, reasoning ,Quant, technical, behaviour

Situational Group discussion

General knowledge questions asked in test

Current affairs discussed in GD round

Q1. Basic knowledge in thermodynamics
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Q2. Basic knowledge in Mechanical Core subjects
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Q1. Electrical eot crane maintenance
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Q2. Electrical eot crane drive maintenance
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Q3. Motor maintenance
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Q4. Electrical DSL maintenance
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Q1. Dol and star delta wiring scheme
Ans. 
DOL (Direct-On-Line) and star delta are two different wiring schemes used in electrical engineering for starting induction motors.
• DOL wiring directly connects the motor to the power supply for starting, while star delta wiring initially starts the motor in star configuration and then switches to delta configuration for running.

• DOL wiring is simpler and cheaper but causes high starting current, while star delta wiring r...read more
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Q1. Working process and maintenance &troubleshooting
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Q1. About yourself,past experience,job role
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Q2. Why to switch job?
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Q1. Plant operation,
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Q2. Kaizen implementation
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Q3. Job role description
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Q4. Raw material DRI Process,
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Q1. Salary negotiation
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Q2. Salary discussion
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