Isgec Hitachi Zosen Senior Design Engineer Interview Questions and Answers for Experienced

Q1. Technical knowledge
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Q2. Past Experience
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Technical Knowledge about field

Q1. Write code on Merge sort
Ans. 
Merge sort is a divide and conquer algorithm that divides the input array into two halves, recursively sorts them, and then merges the sorted halves.
• Divide the array into two halves

• Recursively sort each half

• Merge the sorted halves back together
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Q1. Explain on PCA , SVM and image processing concepts
Ans. 
PCA is a dimensionality reduction technique, SVM is a machine learning algorithm, and image processing involves manipulating images.
• PCA (Principal Component Analysis) is used to reduce the dimensionality of data by finding the most important features.

• SVM (Support Vector Machine) is a supervised machine learning algorithm used for classification and regression tasks.

• Image processing involves techniques like filtering, s...read more
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Q1. Tell me about your project challenges
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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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Based on the discipline, they conducted MCQ containing English and technical questions.

Each group with 5 members were given a topic to discuss, and marks were allotted based on their content delivery, boldness and English fluency.

Q1. Around 45 mins technical interview went. They started with basics like principles, theorems later they moved on to the academic projects.
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Q1. Tool test of part drawing in software
Ans. 
Tool test of part drawing in software is a process to ensure accuracy and functionality of the software.
• Tool test involves checking the software's ability to read and interpret part drawings

• It ensures that the software can accurately generate tool paths based on the part drawing

• Examples of software used for tool test include SolidWorks, AutoCAD, and CATIA
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Q1. Technical discussion with the manager Why m joing this firm all
Ans. The working conditions and better
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Q1. What are your salary expectations?
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Q2. Why should we hire you?
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Q3. Share details of your previous job.
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Q4. Why are you looking for a change?
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Q5. What are your strengths and weaknesses?
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Q6. Tell me about yourself.
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