Prism Johnson Electrical Maintenance Engineer Interview Questions and Answers

Q1. Electrical h.t., l.t. operation etc.
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Q2. Electrical maintenance etc.
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Q3. All electrical wiring
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Q4. All electrical maintenance etc.
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Q1. Technical question with respect to electrical
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Q1. Technical Question with respect to Electrical
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Q2. Technical Question with respect to Electrical Engineering
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Q1. How does the Differential work.
Ans. 
The differential is a device that allows the wheels on an axle to rotate at different speeds while still receiving power from the engine.
• Allows wheels on the same axle to rotate at different speeds

• Transfers power from the engine to the wheels

• Helps with cornering by allowing the outer wheel to rotate faster than the inner wheel

• Consists of gears that distribute power evenly to the wheels
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Q2. How to work Dumper Cooling system.
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The dumper cooling system is responsible for maintaining the optimal temperature of the dumper to prevent overheating.
• Regularly check the coolant levels and top up if necessary.

• Inspect the radiator for any leaks or damage.

• Clean the radiator fins to ensure proper airflow.

• Monitor the temperature gauge regularly while operating the dumper.

• If the dumper overheats, stop immediately and allow it to cool down before continuin
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Q3. How to work, work permit system during maintenance activities.
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Work permit system is a formal process to ensure safety during maintenance activities.
• Obtain necessary permits before starting any maintenance work.

• Identify potential hazards and implement necessary safety measures.

• Communicate with all involved parties about the work being done and safety precautions.

• Regularly review and update work permits as needed.

• Examples: hot work permit, confined space entry permit, electrical wo
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Q4. Which grade oil is used in Hydraulic system.
Ans. 
The grade of oil used in a hydraulic system depends on the system's requirements and manufacturer recommendations.
• The grade of oil used in a hydraulic system is typically specified by the system manufacturer.

• Common grades of hydraulic oil include ISO VG 32, ISO VG 46, and ISO VG 68.

• The grade of oil chosen should meet the viscosity and performance requirements of the hydraulic system.

• Using the wrong grade of oil can lea...read more
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Certificate pump gear box maintenance

Q1. Technical questions
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Q2. Mantinanc questions
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Q3. Mantinanc questions
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Q4. Mantinanc engineer
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Q5. Mechanical engineering
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Q1. Tell me about yourself.
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Q1. MCB star delta connection, transformer
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Q2. Star delta connection
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Q3. MCCb, star delta connection, breaker
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Q4. Pernative maintenance
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Q5. All electrical breakdown
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Q1. How to maintain SPC
Ans. 
SPC maintenance involves regular monitoring, analysis, and adjustment of processes to ensure quality control.
• Regularly collect data on key process parameters

• Analyze data using statistical tools like control charts

• Identify trends or patterns that indicate process variation

• Take corrective actions to address out-of-control situations

• Train employees on SPC principles and techniques
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