Wipro Infrastructure Engineering Junior Manager Interview Questions and Answers

Q1. What is difference between RTD and thermocouple used
Ans. 
RTD measures temperature using resistance change, while thermocouple uses voltage change.
• RTD stands for Resistance Temperature Detector, while thermocouple generates voltage based on temperature difference.

• RTDs are more accurate and stable compared to thermocouples.

• RTDs have higher initial cost but lower long-term maintenance cost.

• Thermocouples are more rugged and can withstand higher temperatures than RTDs.

• Example: RT...read more
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Q2. What is the PLC and DCS system
Ans. 
PLC and DCS systems are control systems used in industrial automation to monitor and control processes.
• PLC stands for Programmable Logic Controller, used for controlling machinery and processes in manufacturing.

• DCS stands for Distributed Control System, used for controlling complex processes across multiple locations.

• PLCs are typically used for discrete control applications, while DCS systems are used for continuous co...read more
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Q3. What is the AC And DC drive
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AC and DC drives are types of electrical drives used to control the speed and torque of electric motors.
• AC drive controls the speed of an AC motor by varying the frequency of the electrical supply.

• DC drive controls the speed of a DC motor by varying the voltage supplied to the motor.

• AC drives are more commonly used in industrial applications due to their efficiency and flexibility.

• DC drives are often used in applicatio...read more
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Q4. What do you understand by 4 wire and 2 wire
Ans. 
4 wire and 2 wire are configurations used in electrical circuits for measuring resistance.
• 4 wire configuration is used for accurate resistance measurements by eliminating lead resistance

• 2 wire configuration is simpler but less accurate due to lead resistance affecting measurements

• Examples: 4 wire used in precision instruments like multimeters, 2 wire used in basic circuit testing
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Q1. Electric motor winding process
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Q1. 7 types of qc tools
Ans. 
7 QC tools are used for quality control in manufacturing. They are simple and effective tools to identify and solve problems.
• Check sheets - used to collect data and analyze it

• Pareto charts - used to identify the most frequent problems

• Histograms - used to show the distribution of data

• Cause-and-effect diagrams - used to identify the root cause of a problem

• Flowcharts - used to show the steps in a process

• Control charts - u...read more
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Q2. What is FMEA,what are the 5s,cp vs cps different
Ans. 
FMEA is a risk assessment tool used to identify and mitigate potential failures. 5S is a workplace organization method. CP and CPS are statistical process control measures.
• FMEA stands for Failure Mode and Effects Analysis. It is a systematic approach to identifying and mitigating potential failures in a process or product.

• 5S is a workplace organization method that involves sorting, simplifying, sweeping, standardizing,...read more
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Q3. What is the ctq and ctc
Ans. 
CTQ stands for Critical to Quality and CTC stands for Critical to Customer.
• CTQ is a measurable characteristic of a product or process that is important to the customer.

• CTC is a measurable characteristic of a product or process that directly impacts customer satisfaction.

• Identifying CTQs and CTCs helps in improving the quality of the product or process.

• Examples of CTQs and CTCs include product reliability, on-time deliv...read more
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Q4. What are the different gauges
Ans. 
Gauges are instruments used to measure various physical quantities. There are different types of gauges for different purposes.
• Pressure gauges measure pressure of fluids or gases

• Temperature gauges measure temperature of substances

• Thickness gauges measure thickness of materials

• Wire gauges measure diameter of wires

• Bore gauges measure diameter of holes

• Thread gauges measure pitch and diameter of screws

• Fuel gauges measure f
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Q5. What are the instrument handling
Ans. 
Instrument handling refers to the proper use, care, and maintenance of tools and equipment used in a particular field.
• Properly clean and sterilize instruments before and after use

• Handle instruments with care to prevent damage or contamination

• Store instruments in a safe and organized manner

• Regularly inspect instruments for wear and tear

• Follow manufacturer's instructions for use and maintenance

• Examples: surgical instrume
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Q6. Do you know the GD&T symbols
Ans. 
Yes, I am familiar with GD&T symbols.
• GD&T stands for Geometric Dimensioning and Tolerancing

• It is a system of symbols used to specify the dimensions and tolerances of a part

• Examples of symbols include concentricity, perpendicularity, and flatness
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Maths are important in aptitude test

Q1. Function of eliminator
Ans. 
Eliminator is a device used to remove liquid droplets or solid particles from a gas stream.
• Function is to separate liquid droplets or solid particles from a gas stream

• Helps in improving the quality of the gas stream

• Commonly used in industries like petrochemical, pharmaceutical, and power plants
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Q2. Types of cooling towers
Ans. 
Cooling towers are heat removal devices used to transfer process waste heat to the atmosphere.
• Types of cooling towers include natural draft, mechanical draft, crossflow, and counterflow

• Natural draft cooling towers use the stack effect to draw air through the tower

• Mechanical draft cooling towers use fans to force air through the tower

• Crossflow cooling towers have air flow perpendicular to the water flow

• Counterflow cooli...read more
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Q1. Tell me about yourself, about work profile, about purchasing process, budgeting
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Q2. Just go through the best industry practices
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Q3. Tell about yourself in any manner whatsoever
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Q1. What is your Job Profile?
Ans. My Job Profile is SAP MM , MIS REPORTING , P2P cycle
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Q2. What is P2P cycle?
Ans. 
P2P cycle refers to the Procure-to-Pay cycle, which is the process of requisitioning, purchasing, receiving, paying for, and accounting for goods and services.
• Requisitioning: Identifying the need for goods or services

• Purchasing: Selecting a vendor and negotiating terms

• Receiving: Receiving the goods or services

• Paying for: Processing invoices and making payments

• Accounting: Recording transactions and reconciling accounts
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Q3. Difference Between PO and Non PO?
Ans. 
PO refers to purchase order which is a formal document issued by a buyer to a seller, while Non PO refers to transactions that do not involve a purchase order.
• PO involves a formal document outlining the details of a purchase, such as quantity, price, and terms of sale.

• Non PO transactions are typically more informal and may involve direct payments without a formal purchase order.

• POs are commonly used in business-to-busi...read more
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Q4. Which business process compprtable?
Ans. 
The business process that I am most comfortable with is strategic planning and implementation.
• Strategic planning involves setting goals, determining actions to achieve those goals, and mobilizing resources to execute the actions.

• I am comfortable with analyzing market trends, identifying opportunities and threats, and developing strategies to capitalize on them.

• I have experience in creating detailed implementation plans...read more
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Q5. What is Payment term?
Ans. 
Payment term refers to the agreed upon terms between a buyer and a seller regarding when and how payment will be made for goods or services.
• Payment terms can include the amount due, due date, and any discounts for early payment.

• Common payment terms include Net 30 (payment due 30 days after invoice date), Net 60, and Net 90.

• Other payment terms may include payment upon delivery, payment in advance, or installment payment...read more
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Q1. Technically about company like safety..
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Q2. What is 5s and devine
Ans. 
5S is a methodology used to organize and maintain a clean and efficient workplace.
• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• It involves organizing and labeling tools and materials, cleaning and maintaining equipment, and creating a culture of continuous improvement.

• Example: A factory implementing 5S might label all tools and materials, create a designated storage area for each item, and regularl...read more
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Q1. They are asking about basics of the relative field.
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Q2. They are also talking about standards
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