Orica Maintenance Engineer Interview Questions and Answers

Q1. Working experience in my old company
Ans. 
I have 5 years of experience as a Maintenance Incharge in my previous company.
• Managed a team of 10 technicians to ensure timely maintenance of equipment

• Implemented preventive maintenance schedules to reduce downtime

• Coordinated with vendors for spare parts procurement

• Trained new technicians on equipment maintenance procedures
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Q2. Moter releted qui
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Q3. Crusher roller related
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Q4. Chain and roop brekar
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Q5. Conveyor belt related
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Verbal reasoning logical reasoning spatial ability

Q1. Basic electrical knowledge maintenance engineer knowledge and power plant knowledge
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Q2. Basic electrical engineer questions maintenance engineer questions and power plant questions
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Q3. Transformers related questions Buchholz really etc
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Q4. MCB contactor rectifier etc
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Q1. 1.Function of Turbocharger,Brake system. 2.Automatic transmission system function and working principle. 3.Types of undercarriages 4.Preventive maintenance 5.Common Rail system and functions 6.what is Hy...read more
Ans. 
Interview questions for Maintenance Manager position covering topics such as turbochargers, brake systems, automatic transmissions, undercarriages, preventive maintenance, common rail systems, hydraulic lock systems, excavator troubleshooting, oil refilling capacity, and target/cost management.
• Turbocharger increases engine power by compressing air intake

• Brake system converts kinetic energy to heat to slow or stop a veh...read more
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Q1. 1.Long/Short term goal 2.How to overcome and handle Pressure situations.
Ans. 
My long-term goal is to continuously improve the maintenance process and reduce downtime. My short-term goal is to implement a preventive maintenance program. To handle pressure situations, I prioritize tasks, delegate responsibilities, and communicate effectively.
• Long-term goal: Continuous improvement of maintenance process and reduction of downtime

• Short-term goal: Implementation of preventive maintenance program

• To ha...read more
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Q1. Dol starter, star delta starter,mcc panel maintenance
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Q2. Motor maintenance, single phase wiring,
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Q3. Crane maintenance, vfd maintenance, track maintenance
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Q4. Panel maintenance & house wiring.
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Q5. Light maintenance & zss installation.
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Q1. Which is a liquid metal.
Ans. 
Mercury is a liquid metal at room temperature.
• Mercury is the only metal that is liquid at room temperature

• It has a silvery appearance

• Mercury is commonly used in thermometers and barometers
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Q2. What is alluminium melting point?
Ans. 
The melting point of aluminum is 660.32 degrees Celsius.
• The melting point of aluminum is 660.32 degrees Celsius or 1220.58 degrees Fahrenheit.

• Aluminum transitions from a solid to a liquid state at its melting point.

• Maintaining the correct temperature is crucial when melting aluminum for casting or other processes.
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Q3. What is melting point of tungsten?
Ans. 
Tungsten has a melting point of 3,422 degrees Celsius.
• Melting point of tungsten is 3,422 degrees Celsius

• Tungsten has one of the highest melting points of all metals

• It is commonly used in high-temperature applications such as light bulb filaments and aerospace components
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Q4. How much the gravitational constant of earth?
Ans. 
The gravitational constant of Earth is approximately 9.81 m/s^2.
• The gravitational constant of Earth is a measure of the acceleration due to gravity on the surface of the Earth.

• It is commonly denoted as 'g' and has an approximate value of 9.81 m/s^2.

• This value can vary slightly depending on the location and altitude on Earth.
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Q5. How much the escape velocity from earth?
Ans. 
Escape velocity from Earth is approximately 11.2 km/s.
• Escape velocity is the minimum speed needed for an object to break free from the gravitational attraction of a planet.

• It is calculated using the formula: escape velocity = sqrt(2 * gravitational constant * mass of the planet / radius of the planet)

• For Earth, the escape velocity is approximately 11.2 km/s.

• Escape velocity varies depending on the planet's mass and radi
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Q1. How can you confirm the isolation before performing the preventive maintenance of a 11 kV power transformer
Ans. 
Isolation can be confirmed by using a voltage detector, lockout/tagout procedures, and visual inspection.
• Use a voltage detector to ensure that there is no voltage present in the transformer.

• Follow lockout/tagout procedures to prevent accidental energization.

• Visually inspect the transformer to ensure that all switches and breakers are in the off position.

• Check the grounding system to ensure that it is properly installed...read more
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Q1. How can you confirm the isolation before performing the preventive maintenance of a 11 kV power transformer
Ans. 
To confirm isolation before performing preventive maintenance on a 11 kV power transformer, follow these steps:
• Ensure the power supply to the transformer is switched off

• Lock and tag the circuit breaker or disconnect switch to prevent accidental energization

• Use a voltage detector or multimeter to verify absence of voltage at the transformer terminals

• Check for any warning signs or labels indicating isolation

• Visually insp...read more
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