Prism Johnson Maintenance Engineer Interview Questions and Answers

Q1. 1) VRM Maintenance & Shutdown procedures & precautions.
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Q2. 2) Maintenance procedure of present organization.
Ans. 
The maintenance procedure in the present organization involves regular inspections, preventive maintenance, and prompt repairs.
• Regular inspections are conducted to identify potential issues before they become major problems.

• Preventive maintenance is carried out on a scheduled basis to ensure equipment is in good working condition.

• Prompt repairs are made to minimize downtime and prevent further damage.

• Maintenance record...read more
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Q3. 3) Types of Safety Permits.
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Safety permits are issued to ensure safety measures are taken before performing any hazardous work.
• Hot work permit: for work involving open flames or sparks

• Confined space permit: for work in enclosed spaces

• Lockout/tagout permit: for work on equipment that could unexpectedly start up

• Excavation permit: for work involving digging or excavation

• Fall protection permit: for work at heights

• Electrical safety permit: for work on...read more
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Q4. 4) Reliability calculations.
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Where do you see yourself in 5 years?
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Q4. Why are you looking for a change?
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Q5. Share details of your previous job.
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Q6. Why should we hire you?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Q1. Explain what is basic hydraulic in details.
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Q2. Types Of gear and Function also
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Q1. How can find gear backless and calculate gear ratio.
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Q1. Pump element and vibration control and daily LLF
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Q2. Air blower maintenance decouple and couple side both side & cooling Tower gear box servicing and element
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Q3. Turbine water wash & maintenance work
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Q4. Gas turbine water and oil separator (centrifuge)work
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Q5. Booster compressor disassembly & assembly work , top bottom valve maintenance work
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Q1. About working PM and Breakdown.
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Q2. Manpower management
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Q1. CTC and notice period
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Q2. Expected CTC
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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.
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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