Wika Instruments India Graduate Engineer Trainee (Get) Interview Questions and Answers

Q1. What is the principle of transformer
Ans. 
The principle of a transformer is based on electromagnetic induction.
• Transformers work on the principle of transferring electrical energy between two or more coils through electromagnetic induction.

• They consist of two coils, known as the primary and secondary coils, which are wound around a common magnetic core.

• When an alternating current (AC) flows through the primary coil, it creates a changing magnetic field around ...read more
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Q1. TELL ME ABOUT YOUR INTERSHIP
Ans. 
During my internship, I gained hands-on experience in software development and collaborated on various projects.
• Worked on a team project to develop a web application using React and Node.js.

• Participated in daily stand-up meetings to discuss progress and challenges.

• Conducted code reviews to ensure quality and adherence to best practices.

• Learned about Agile methodologies and contributed to sprint planning sessions.

• Assist...read more
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Q2. TELL ME THE MELTING POINT OF IRON
Ans. 
The melting point of iron is approximately 1,538°C (2,800°F), making it a crucial material in construction and manufacturing.
• Iron's melting point is 1,538°C (2,800°F).

• This high melting point allows iron to be used in high-temperature applications.

• Examples include steel production and metal casting.

• Iron's melting point is lower than tungsten (3,422°C) but higher than aluminum (660°C).
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Basics of engineering, like manufacturing , SOM, MD,

Q1. What is the difference between lathe and milling machine?
Ans. 
Lathe is used for cylindrical workpieces while milling machine is used for flat or irregularly shaped workpieces.
• Lathe rotates the workpiece while the cutting tool remains stationary, while milling machine rotates the cutting tool while the workpiece remains stationary.

• Lathe is used for turning, drilling, and boring operations, while milling machine is used for cutting, drilling, and shaping operations.

• Lathe is ideal f...read more
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Q2. How to calculate maximum load can take by lathe?
Ans. 
The maximum load a lathe can take depends on its capacity and the material being machined.
• Check the lathe's specifications for its maximum weight capacity

• Consider the material being machined and its density

• Calculate the cutting forces involved in the machining process

• Ensure the lathe is properly maintained and in good working condition
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Q3. Basic GD&T questions?
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Q4. Why holes in disc of the bike?
Ans. 
Holes in the disc of a bike are for cooling and to prevent overheating.
• Holes allow air to flow through the disc, cooling it down.

• Prevents overheating and warping of the disc.

• Improves braking performance and reduces brake fade.

• Commonly found on high-performance bikes and in racing.

• Different hole patterns can affect noise and vibration levels.
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Q1. Why should we hire you?
Ans. 
I have a strong background in design engineering and a proven track record of successfully completing projects.
• I have a Bachelor's degree in Mechanical Engineering and 5 years of experience in design engineering.

• I have a deep understanding of CAD software and have successfully designed and developed multiple products using it.

• I am highly skilled in problem-solving and have a keen eye for detail, ensuring high-quality d...read more
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Q2. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself as a senior design engineer leading a team of talented engineers and working on innovative projects.
• Leading a team of engineers

• Working on innovative projects

• Continuing professional development

• Contributing to the growth of the company
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Q3. What are your strengths and weaknesses?
Ans. 
My strengths include problem-solving, attention to detail, and creativity. My weaknesses include time management and public speaking.
• Strengths: Problem-solving - I enjoy analyzing complex problems and finding innovative solutions.

• Strengths: Attention to detail - I have a meticulous eye for detail, ensuring accuracy in my designs.

• Strengths: Creativity - I have a strong ability to think outside the box and come up with u...read more
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Q4. Tell me about yourself.
Ans. 
I am a design engineer with a passion for creating innovative solutions.
• I have a Bachelor's degree in Mechanical Engineering.

• I have 5 years of experience in designing and developing products.

• I am proficient in CAD software such as SolidWorks and AutoCAD.

• I have successfully led a team in designing a new product that increased efficiency by 20%.

• I am constantly seeking new ways to improve designs and stay updated with the...read more
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Q1. Experience in software
Ans. 
Extensive experience in various software applications and programming languages.
• Proficient in programming languages such as Java, Python, and C++

• Experience with software development tools such as Git, JIRA, and Jenkins

• Familiarity with database management systems such as MySQL and MongoDB

• Experience with web development frameworks such as React and Angular

• Ability to learn and adapt to new software quickly
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Q2. Technical knowledge and skills
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Q1. What means the General tolerances
Ans. 
General tolerances refer to the acceptable range of variation in dimensions or properties of a part or product.
• General tolerances are typically specified in engineering drawings to ensure parts fit and function properly.

• They are usually expressed as a range of acceptable values, such as +/- 0.1mm.

• Tolerances can vary depending on the specific requirements of the part or product.

• Examples of general tolerances include dim...read more
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Q2. What is the material for wheel, Pin
Ans. 
The material for wheel is typically rubber or plastic, while the material for pin is usually metal such as steel or aluminum.
• Wheel material is commonly rubber or plastic for flexibility and durability

• Pin material is usually metal like steel or aluminum for strength and stability
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Q3. What are the grades of Hardwares like Screw, nut washer
Ans. 
Hardware grades are typically classified based on material composition, strength, and corrosion resistance.
• Hardware grades are often denoted by a combination of letters and numbers, such as Grade 8.8 or Grade 316.

• Higher grade numbers generally indicate a higher tensile strength or corrosion resistance.

• Common grades for screws include Grade 2, Grade 5, and Grade 8, with Grade 8 being the strongest.

• For nuts and washers, ...read more
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Q4. How to calculate motor power
Ans. 
Motor power can be calculated using the formula: Power (W) = Torque (Nm) x Speed (RPM) / 9.548
• Calculate the torque required for the application

• Determine the speed at which the motor will operate

• Use the formula Power (W) = Torque (Nm) x Speed (RPM) / 9.548 to calculate motor power
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Q5. How welds are considered
Ans. 
Welds are critical in design engineering for joining metal components together.
• Welds must be strong enough to withstand the intended load and stress.

• Proper welding techniques and materials must be used to ensure the integrity of the weld.

• Inspections and testing should be conducted to verify the quality of the weld.

• Consideration should be given to factors such as joint design, welding process, and material compatibility...read more
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Q1. As per experience what have you done
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Q1. Genral questions of professional experience
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Q1. Related to your past experience
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Q2. Software related
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