Navkar Corporation Mechanical Maintenance Engineer Interview Questions and Answers

Q1. Any. Electrical related
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Q2. Any question in electrical related
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Q3. Any question in electrical
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Q1. Technical for power plant field
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Q2. What about scoop pannel
Ans. 
A scoop panel is a component used in electrical engineering for controlling and distributing power.
• A scoop panel is typically used in industrial settings to manage power distribution.

• It consists of various switches, breakers, and meters to control and monitor the flow of electricity.

• Scoop panels are designed to ensure safety and efficiency in electrical systems.

• They can be customized based on the specific requirements ...read more
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Q3. Tell me about SF-6 CB
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SF-6 CB is a type of circuit breaker that uses sulfur hexafluoride gas as the medium for arc extinction.
• SF-6 CB stands for Sulfur Hexafluoride Circuit Breaker.

• It is commonly used in high-voltage electrical systems.

• SF-6 gas has excellent dielectric properties, making it an effective insulating medium.

• The gas is used to extinguish the arc that forms during the interruption of current.

• SF-6 CBs are compact and require less...read more
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Q4. Tell me about safety interlock for ht motor starting
Ans. 
Safety interlock for HT motor starting ensures safe operation by preventing accidental starting or unauthorized access.
• Safety interlock system is designed to prevent the motor from starting if certain conditions are not met.

• It typically includes sensors, switches, and control logic to monitor and control the starting process.

• Examples of safety interlock features include door interlocks, emergency stop buttons, and moto...read more
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Q5. What is premittive maintenance and what is check during pm
Ans. 
Preventive maintenance (PM) is the regular inspection and servicing of equipment to prevent breakdowns.
• Preventive maintenance is a proactive approach to ensure the reliability and longevity of electrical equipment.

• During PM, equipment is inspected, cleaned, lubricated, and calibrated as necessary.

• Common tasks during PM include checking for loose connections, testing electrical components, and replacing worn-out parts.

• P...read more
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Q1. Basic questions of thermodynamics
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Q1. Why should we hire you?
Ans. 
I have the necessary skills, experience, and leadership qualities to excel in the role of Assistant Manager.
• I have a proven track record of successfully managing teams and achieving targets.

• I possess strong communication and interpersonal skills, which enable me to effectively collaborate with colleagues and motivate team members.

• I am highly organized and detail-oriented, ensuring efficient operations and timely comple...read more
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Q2. What skill of yours is not listed in your resume?
Ans. 
My skill in conflict resolution is not listed in my resume.
• I have a strong ability to mediate and find solutions in difficult situations.

• I have successfully resolved conflicts between team members in my previous role as a team leader.

• I am skilled at listening to different perspectives and finding common ground.

• I have received positive feedback from colleagues and superiors for my ability to handle conflicts effectively
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Q3. Where do you see yourself 5 years from now?
Ans. 
In 5 years, I see myself as a successful Assistant Manager, leading a team and contributing to the growth of the company.
• Leading a team of motivated individuals

• Implementing strategies to improve productivity and efficiency

• Contributing to the growth and success of the company

• Continuing to develop my leadership and management skills

• Building strong relationships with colleagues and clients
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Round duration - 45 Minutes
Round difficulty - Medium

Q1. Design a class booking application for students.
Ans. 
A class booking application for students to schedule and manage their classes.
• Create a class booking system where students can view available classes, book classes, and manage their schedule.

• Include features like class search, class details, booking confirmation, and calendar view.

• Implement user authentication to ensure only registered students can book classes.

• Allow students to cancel or reschedule classes with proper...read more
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Round duration - 60 Minutes
Round difficulty - Medium

The interviewer understand the current problem statement I was working on. 
Asked the clarifying questions and alternative approaches to solve the same and their tradeoffs.
Also, asked about the technologies I was using in depth and reason for choosing the same.

Q1. 
Gas Tank Problem Statement
You have a car with a gas tank of infinite capacity. There are 'N' gas stations located along a circular route, numbered from 0 to N-1. You begin your journey with an empty tank...read more
Ans. 
Find the starting gas station index to complete a circular route with gas and cost arrays.
• Iterate through gas stations, keeping track of gas remaining after each station

• If gas remaining is negative, reset starting station to current station + 1

• If total gas remaining at the end is greater than or equal to total cost, return starting station index
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Round duration - 45 Minutes
Round difficulty - Medium

This round was their with the CTO and was mostly the culture fitment round.

Round duration - 30 Minutes
Round difficulty - Easy

This round was with the cofounder and was mostly culture fitment.