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20+ JNS Instruments Interview Questions and Answers

Updated 5 Sep 2024

Q1. 1)Can you know about reports or you make any type of reports in Excel?

Ans.

Yes, I am proficient in creating reports in Excel including sales reports, inventory reports, and financial reports.

  • Proficient in creating various types of reports in Excel

  • Experience in generating sales reports, inventory reports, and financial reports

  • Skilled in using Excel functions and formulas for data analysis

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Q2. How can you control silver marks?

Ans.

Silver marks can be controlled by using protective coatings and proper cleaning techniques.

  • Apply a protective coating, such as lacquer or wax, to prevent silver from tarnishing

  • Store silver items in airtight containers or with anti-tarnish strips to minimize exposure to air

  • Avoid contact with substances that can cause silver to tarnish, such as sulfur-containing materials

  • Clean silver regularly using gentle methods, such as using mild soap and warm water or silver polishing clot...read more

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JNS Instruments Interview Questions and Answers for Freshers
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Q3. 1) please tell me your computer knowledge?

Ans.

I have a strong understanding of computer systems and software, including proficiency in Microsoft Office Suite and basic troubleshooting skills.

  • Proficient in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook)

  • Basic troubleshooting skills for hardware and software issues

  • Familiar with operating systems such as Windows and MacOS

  • Experience with data entry and database management

  • Knowledge of internet browsers and email applications

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Q4. What is quality audit? What is the strategy for automation test plan?

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Q5. What is resistance and types of quality control and what is 4M and 5s

Ans.

Resistance is the opposition to the flow of electric current. Quality control types are statistical, acceptance, and process control. 4M refers to Man, Machine, Material, and Method. 5S is a workplace organization method.

  • Resistance is measured in ohms and can be affected by factors such as temperature and material.

  • Statistical quality control involves analyzing data to identify and address issues in the production process.

  • Acceptance quality control involves inspecting finished...read more

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Q6. What's moulding defect?

Ans.

Moulding defect refers to any imperfection or flaw in the manufacturing process of moulded products.

  • Moulding defects can occur due to various reasons such as improper material flow, inadequate cooling, or incorrect mould design.

  • Examples of moulding defects include flash, sink marks, warpage, voids, and short shots.

  • Flash occurs when excess material escapes from the mould, resulting in a thin layer of material around the product.

  • Sink marks are depressions or indentations on the...read more

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Q7. Pcb work in speedometer in full function tester

Ans.

PCB work in speedometer involves designing and implementing the circuitry for accurate speed measurement and display in a full function tester.

  • Designing PCB layout for speedometer circuitry

  • Implementing accurate speed measurement sensors

  • Integrating display functionality in full function tester

  • Testing and calibrating speedometer functionality

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Q8. What should the software QA document include?

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Q9. Mention what are the types of documents in SQA?

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Q10. How many material in PCB manufactured?

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Q11. 2)what is vlookup ?

Ans.

VLOOKUP is a function in Excel used to search for a value in a table and return a corresponding value from a specified column.

  • VLOOKUP stands for 'Vertical Lookup'.

  • It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column.

  • The syntax for VLOOKUP is =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup]).

  • Example: =VLOOKUP(A2, B2:D10, 3, FALSE) will search for the value in cell A2 in ...read more

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Q12. Type of current Instrument Electronics Maintenance

Ans.

The type of current used in instruments, electronics, and maintenance is typically alternating current (AC) or direct current (DC).

  • Instruments, such as oscilloscopes and multimeters, often use AC or DC current depending on the application.

  • Electronics circuits can be designed to work with either AC or DC current, with DC being more common for low voltage applications.

  • Maintenance tasks may involve working with both AC and DC current, such as testing electrical systems in buildi...read more

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Q13. Flow of complete PCB design

Ans.

The flow of complete PCB design involves schematic design, component placement, routing, design verification, and manufacturing.

  • Schematic design: Create a schematic diagram of the circuit layout.

  • Component placement: Position components on the PCB layout.

  • Routing: Connect the components using traces on the PCB.

  • Design verification: Check for errors and ensure functionality.

  • Manufacturing: Prepare the design for production.

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Q14. What is a transistor?

Ans.

A transistor is a semiconductor device used to amplify or switch electronic signals.

  • Transistors are fundamental building blocks of modern electronic devices.

  • They can amplify electrical signals, control the flow of current, and act as switches.

  • Common types of transistors include bipolar junction transistors (BJTs) and field-effect transistors (FETs).

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Q15. SMT work line Mounter Experiences

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Q16. 5 's Methodology

Ans.

5's Methodology is a systematic approach to workplace organization and standardization.

  • 5S stands for Sort, Set in order, Shine, Standardize, Sustain

  • It aims to improve efficiency, safety, and quality by organizing the workplace

  • Example: Sorting out unnecessary items, arranging tools in a designated place, cleaning workstations regularly

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Q17. Pcb assembly in speedometer

Ans.

PCB assembly in speedometer involves soldering electronic components onto a printed circuit board to ensure accurate readings.

  • Ensure proper placement of components on the PCB

  • Use soldering techniques to securely attach components

  • Test the functionality of the speedometer after assembly

  • Follow manufacturer's guidelines for assembly process

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Q18. What is the transformer?

Ans.

A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

  • Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

  • They consist of two coils of wire, called the primary and secondary, wrapped around a magnetic core.

  • When an AC current flows through the primary coil, it creates a magnetic field that induces a voltage in the secondary coil.

  • Transformers are used...read more

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Q19. Tell me about PLC system

Ans.

PLC stands for Programmable Logic Controller, used to automate industrial processes.

  • PLC is a digital computer used to control machines and processes in manufacturing plants.

  • It uses a programmable memory to store instructions and execute them in real-time.

  • PLC systems are used in various industries such as automotive, food and beverage, and pharmaceuticals.

  • They can be programmed using ladder logic, function block diagrams, or structured text.

  • Examples of PLC systems include Siem...read more

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Q20. What is a resistor?

Ans.

A resistor is an electronic component that resists the flow of electrical current.

  • Resistors are used to control the amount of current flowing in a circuit.

  • They are measured in ohms (Ω) and have color-coded bands to indicate their resistance value.

  • Resistors dissipate energy in the form of heat when current flows through them.

  • Common types of resistors include carbon film, metal film, and wirewound resistors.

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Q21. Surface mount technology

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Q22. Printer Experiences

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Q23. Mounter Experiences

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Q24. Full form of PCB ?

Ans.

Printed Circuit Board

  • PCB stands for Printed Circuit Board

  • It is a board made of non-conductive material with conductive pathways etched or printed on it

  • Used in electronic devices to connect and support electronic components

  • Examples include motherboards in computers and control boards in appliances

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