India Nippon Electricals Senior Engineer- Maintenance Interview Questions and Answers

Level 1 - Online Aptitude and verbal

Q1. Face to face Technical interview
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Q1. Formal Discussion with Hr about your career and salary discussion
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Q1. If single phase power is 220 volts, why is 3 phase 440 volts and not 660?
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Q2. Explain function of hydraulic and pneumatic system
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Q1. Mcb,acb,mpcb,contactor, relay
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Q2. Db distribution
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Q1. What's my salary.how many hours duty.my work in Electrical department
Ans. 
Salary and work hours for Maintenance Electrician vary depending on company and location.
• Salary for Maintenance Electrician can range from $40,000 to $70,000 per year.

• Typical work hours for Maintenance Electrician are 40 hours per week, but may vary based on workload.

• Maintenance Electricians work in the Electrical department, handling repairs and maintenance of electrical systems.

• Duties may include troubleshooting elec...read more
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Q1. What is mechanism in Hydraulic press
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The mechanism in a hydraulic press is the system of components that allows for the transmission of force through a fluid to generate a large amount of pressure.
• Hydraulic press uses a hydraulic cylinder to generate force.

• The force is transmitted through a fluid, typically oil or water.

• The mechanism includes valves, pumps, and pistons to control the flow of the fluid and generate pressure.

• The pressure created by the mech...read more
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Q2. What is the method of forging
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Forging is a manufacturing process involving the shaping of metal using localized compressive forces.
• Heating the metal to a high temperature to make it more malleable

• Applying compressive forces to shape the metal into the desired form

• Cooling the forged metal to strengthen it

• Types of forging include open-die forging, closed-die forging, and seamless rolled ring forging
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Q1. Ball screw and LM guard type and work
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Ball screws are used for converting rotational motion into linear motion, while LM guides are used for guiding linear motion.
• Ball screws use ball bearings to reduce friction and increase efficiency in converting rotational motion into linear motion.

• LM guides use linear motion bearings to provide smooth and precise linear motion guidance.

• Ball screws are commonly used in CNC machines, robotics, and other precision machin...read more
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Q2. Ball screw and magachine and spindle motor removed process
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Q1. Previous company salery details
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Q1. Ball screw remove process
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Q2. LM guard and LM rail remove process
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Q1. Related to work and kpi
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Q2. Why want to leave
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Q3. Machine related conditional questions
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Q1. Which type of machine u will handle
Ans. 
I am experienced in handling a wide range of machines, including but not limited to CNC machines, hydraulic presses, and conveyor systems.
• I have expertise in troubleshooting and repairing various types of machines

• I am familiar with safety protocols and regulations for operating machinery

• I have experience in maintaining and servicing machines to ensure optimal performance

• Examples of machines I have handled include CNC m...read more
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Q1. Tell about yourself Family background Which breakdown you will handle
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Q2. What is mttr And mtbf... Maintenance activities
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MTTR and MTBF are important metrics in maintenance activities.
• MTTR stands for Mean Time To Repair and is the average time taken to repair a failed equipment.

• MTBF stands for Mean Time Between Failures and is the average time between two consecutive failures of a piece of equipment.

• Both MTTR and MTBF are important metrics in maintenance activities as they help in identifying the reliability and availability of equipment.

• ...read more
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Q1. About department basic
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Q1. About previous CTC
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