Ramkrishna Forgings ITI Electrician Interview Questions and Answers

Q1. Where are you living?
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Q2. Why are you leaving your last company?
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Q1. Circuit diagram of relay holding.
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A relay holding circuit diagram is used to keep the relay in the energized state even after the control signal is removed.
• The circuit typically includes a holding contact that maintains the relay coil energized.

• A latching relay can also be used for holding without continuous power supply.

• Examples: ladder logic diagram with a holding contact, latching relay circuit diagram.
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Q2. What is PNP and NPN
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PNP and NPN are types of bipolar junction transistors commonly used in electronic circuits.
• PNP transistor has a layer of N-type semiconductor between two layers of P-type semiconductor, while NPN transistor has a layer of P-type semiconductor between two layers of N-type semiconductor.

• In a PNP transistor, current flows from the emitter to the base and then to the collector, while in an NPN transistor, current flows fro...read more
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Q3. How many type of sensor?
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There are various types of sensors used for different purposes.
• Temperature sensors (e.g. thermocouples, thermistors)

• Pressure sensors (e.g. piezoelectric sensors)

• Motion sensors (e.g. accelerometers, gyroscopes)

• Proximity sensors (e.g. ultrasonic sensors)

• Light sensors (e.g. photodiodes, phototransistors)
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Q4. What is PLC and full form?
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PLC stands for Programmable Logic Controller, which is a digital computer used for automation of electromechanical processes.
• PLC is used to control machinery in manufacturing processes, such as assembly lines, robotic devices, or any activity that requires high reliability control.

• It is programmed using a specialized computer language, typically ladder logic or function block diagram.

• PLCs are commonly used in industrie...read more
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Q1. What is mean of TTR & why required for powder coating process ?
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TTR stands for Total Thickness Range and is required for powder coating process to ensure proper adhesion and durability.
• TTR is the range of thickness of the substrate and any coatings applied to it

• It is important for powder coating as it ensures proper adhesion and durability

• If the TTR is too large, the coating may not adhere properly or may crack and peel over time

• Examples of substrates with varying TTR include alumi
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Q2. What is mean of detection & prevention pokayoke?
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Detection and prevention poka-yoke refers to the use of techniques to identify and prevent errors in a process.
• Poka-yoke is a Japanese term for mistake-proofing

• Detection poka-yoke involves identifying errors as they occur

• Prevention poka-yoke involves designing processes to prevent errors from occurring

• Examples of poka-yoke include using checklists, color-coding, and physical barriers

• Poka-yoke can improve quality, reduc
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Q3. Which condition PH decrease in conversion coating?
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Decrease in pH can occur due to various factors in conversion coating.
• Decrease in pH can be caused by the addition of an acid or acidic solution.

• Presence of reactive metals in the coating can lead to a decrease in pH.

• Contamination by organic materials or impurities can also lower the pH.

• Chemical reactions during the conversion coating process may result in pH decrease.

• Examples of conversion coatings include phosphating
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Q4. How to prepared 0.1 N H2so4 & Naoh ?
Ans. 
To prepare 0.1 N H2SO4 & NaOH, calculate the required amount of solute and dissolve it in distilled water.
• Calculate the molar mass of H2SO4 and NaOH

• Determine the required amount of solute using the formula: N = (W/M) x (1000/V)

• Dissolve the calculated amount of solute in distilled water to make 1 liter of solution

• Standardize the solution using a primary standard

• Use a burette to measure the volume of solution needed for
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Q5. How to cross verify 0.1 normality H2so4?
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To cross verify 0.1 normality H2SO4, use a standard solution of NaOH and an indicator.
• Prepare a standard solution of NaOH of known concentration.

• Add a few drops of an indicator such as phenolphthalein to the H2SO4 solution.

• Titrate the H2SO4 solution with the NaOH solution until the endpoint is reached.

• The endpoint is when the indicator changes color, indicating that all the H2SO4 has reacted with the NaOH.

• Calculate the...read more
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Q6. How to prepared ph buffer solution as per defined standard in tablet?
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Prepare a pH buffer solution as per defined standard in tablet.
• Determine the required pH value and buffer capacity

• Select the appropriate buffer system and calculate the required amounts of buffer components

• Dissolve the buffer components in water and adjust the pH as necessary

• Check the pH and adjust if necessary

• Filter the solution and store in a clean container

• Use a calibrated pH meter to verify the pH of the solution
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Q1. Comprssor & Dg Electrical
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Q2. Air Comprssor working
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Q1. Related to old experience with explanations.
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Q2. Why are you join this group.
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Q3. How to improve for skill manpower
Ans. 
To improve skill manpower, focus on training programs, mentorship, career development, and recruitment strategies.
• Implement regular training programs to enhance skills and knowledge

• Provide mentorship opportunities for junior employees to learn from experienced professionals

• Offer career development paths and opportunities for advancement within the organization

• Revise recruitment strategies to attract top talent with the
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Q1. OEE calculation
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Q2. TPM with explanation
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TPM stands for Total Productive Maintenance, a proactive approach to maintenance that aims to maximize equipment effectiveness.
• TPM focuses on preventing equipment breakdowns through regular maintenance and employee involvement.

• It involves setting up autonomous maintenance teams, conducting planned maintenance activities, and improving overall equipment efficiency.

• TPM also emphasizes training employees to take ownership...read more
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Q3. 7 QC Tools Poke yoke
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Q4. Kaizen done last group
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Q1. Salary Expectations
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Q2. How to join this group
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Q1. Manpower handling and hourly target achieved
Ans. 
I have experience in effectively managing manpower to achieve hourly targets.
• I prioritize tasks and delegate responsibilities to ensure efficient use of manpower.

• I regularly monitor progress and adjust strategies as needed to meet targets.

• I motivate and train team members to improve productivity and quality of work.

• For example, in my previous role as a supervisor at a manufacturing plant, I implemented a new scheduling...read more
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Q2. 5s,poka yoka, kaizen,DD20,Kan ban, quality circle,tool trail,7QC tool, etc
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Q3. Quality realeted, production ,
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Any problem generated on shop floor, target increase,5s mainten, meeting attend dealy,audit weekly, file maiten

Q1. End-to-end process for wiring harness
Ans. 
The end-to-end process for wiring harness involves designing, manufacturing, testing, and installation.
• Designing the wiring harness based on the electrical requirements and specifications

• Manufacturing the harness using automated machines or manual labor

• Testing the harness for electrical continuity, insulation resistance, and other parameters

• Installing the harness in the vehicle or equipment

• Ensuring proper routing and s...read more
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Q2. What is the FAI process FAI from 1 FAI from 2 and FAI from 3
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FAI stands for First Article Inspection, a process to verify the initial production run meets all requirements.
• FAI from 1 is the initial inspection of the first article produced in a production run

• FAI from 2 is the inspection of the first article produced after changes have been made to the production process

• FAI from 3 is the inspection of the first article produced after changes have been made to the design or enginee...read more
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