Wipro PARI Senior Design Engineer Interview Questions, Process, and Tips for Experienced

Q1. What is difference between MCB &MCCB?
Ans. 
MCB is a miniature circuit breaker used for low currents, while MCCB is a molded case circuit breaker used for higher currents.
• MCB is designed for low currents, typically up to 100A, while MCCB is designed for higher currents, typically up to 2500A.

• MCB is a compact device with fixed trip settings, while MCCB is larger and has adjustable trip settings.

• MCB is commonly used in residential and commercial applications, whil...read more
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Q2. What is mean by relay and how it operates?
Ans. 
A relay is an electrically operated switch that uses an electromagnet to mechanically operate the switch contacts.
• Relays are used to control high power circuits with a low power signal.

• When the coil of the relay is energized, it creates a magnetic field that causes the switch contacts to close or open.

• Relays are commonly used in automotive applications, industrial controls, and home appliances.

• There are different types...read more
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Q1. Study About creo software and some plastic and sheet metal knowledge
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Q1. Why are you looking for a change?
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Q2. What are your salary expectations?
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Q3. Share details of your previous job.
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Q4. Tell me about yourself.
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Q1. Live sheetmetal designing using creo/solidworks
Ans. 
Live sheetmetal designing using Creo/Solidworks involves real-time creation and modification of sheet metal parts.
• Ability to create and modify sheet metal parts in real-time

• Knowledge of sheet metal design principles and manufacturing processes

• Proficiency in using Creo/Solidworks sheet metal tools

• Understanding of bend allowances, K-factors, and other sheet metal parameters

• Experience with designing sheet metal parts for ...read more
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Q1. Explain your resume experience & projects one by one.
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Q1. What are your salary expectations?
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Q1. 1. Technical experience and which domain?
Ans. 5 yrs of experience in design cum cost estimation domain
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Q2. 2. Which products you have handled?
Ans. CNC Turning components, Sheet metal fabrication, Bought out product activities etc.
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Q1. Describe your role and responsibilities
Ans. 3D model creation, project costing, connecting with suppliers for quotation, project review with customers, involving in product development activities.
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Q1. They will ask about Btech and Mtech projects and electrical engineering questions
Ans. Mtech project based on your thesis and work done whereas Btech project basics as well questions related to power systems, machine.
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Q1. What is difference between == and ===?
Ans. 
The difference between == and === is that == compares the values of two variables, while === compares both the values and the data types.
• The == operator performs type coercion, meaning it converts the operands to a common type before comparison.

• The === operator does not perform type coercion and requires both the values and the data types to be the same for a true comparison.

• For example, 1 == '1' returns true because t...read more
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Q1. About project?
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Q2. What is fuse and what is it's maximum rating
Ans. 
A fuse is an electrical safety device that protects electrical circuits from overloading and short circuits. Its maximum rating depends on the application.
• A fuse contains a metal wire or filament that melts when the current exceeds a certain level, breaking the circuit and preventing damage to the equipment or wiring.

• Fuses are rated based on their current-carrying capacity and voltage rating.

• Examples of fuse ratings in...read more
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Q3. Relays and it's types
Ans. 
Relays are electrically operated switches used to control circuits. There are several types of relays.
• Electromechanical relays use a coil to create a magnetic field that pulls a switch to make or break a circuit.

• Solid-state relays use semiconductor devices to switch the circuit on and off.

• Reed relays use a magnetic field to control the switch.

• Polarized relays have a specific polarity and can only be used in one directi...read more
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Q4. A ckt is given and you have to explain it
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Technical,verbal,and logical question

Q1. Questions on project , and core subjects
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