Looks Salon Interview Questions and Answers

Logical reasoning, grammar, and coding: two basic level questions.

Q1. Question on core Java
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Q2. Question on SQL and PLSQL
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Q3. Resume based question and on project
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Q1. Resume and project based question
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Q2. What do you like about your current company, and why do you want to join our organization?
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Q1. Which machine used?
Ans. 
Various machines are used in engineering, depending on the specific task at hand.
• Milling machines are used for cutting and shaping solid materials.

• Lathe machines are used for shaping metal or wood by rotating the workpiece against a cutting tool.

• Drilling machines are used for creating holes in materials.

• Grinding machines are used for finishing workpieces by removing excess material.

• CNC machines are computer-controlled
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Q2. What part manufacturers?
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Part manufacturers are companies that produce components or parts used in various products.
• Part manufacturers specialize in producing specific components or parts.

• They often work with engineers to design and create custom parts.

• Examples include companies that manufacture screws, gears, circuit boards, etc.
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Q1. Semiauto or robotic machine?
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Q2. Minimum and maximum tonnage machine how much?
Ans. 
The minimum and maximum tonnage of a machine depends on its type and purpose.
• Minimum and maximum tonnage can vary greatly depending on the type of machine (e.g. hydraulic press, injection molding machine)

• For example, a hydraulic press may have a minimum tonnage of 10 tons and a maximum tonnage of 500 tons

• It is important to consider the intended use of the machine when determining the appropriate tonnage range
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20 questions 40 minutes, 3 type of question easy, medium and hard each of 1, 3 and 5 points respectively, if you answer correct then you move above in difficulty else go down.

Q1. 20 questions 40 minutes same pattern as apti. Questions mainly from power electronics, network theory, machines and analog electronics
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Q2. 2 coding question one easy, one medium. Doing 1 question only may work
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Q1. Picked question from my cv/ project. Complete analysis of boost converter, voltage at no load, saturation of inductor, parasitics etc and much more.
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Q2. Bjt as switch opams mosfet on off charecteristics etc, analog electronics.
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Q3. 2 easy coding problem of searching and sorting algos
Ans. 
Implementing binary search and bubble sort algorithms in Python
• Binary search: Divide and conquer algorithm to find a target value in a sorted array

• Bubble sort: Iteratively swap adjacent elements if they are in the wrong order

• Example for binary search: def binary_search(arr, target):

• Example for bubble sort: def bubble_sort(arr):
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Q1. Question about applications and possibilities.
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Q2. Questions about frameworks.
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Q3. Questions about past projects
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Two LLM based application development

30 question of c code snippet 5 question of aptitude and 2 coding question

Q1. Storage class in c
Ans. 
Storage classes in C define the scope and lifetime of variables.
• There are 4 storage classes in C: auto, register, static, and extern.

• Auto variables are stored in memory and have local scope.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and can be accessed by other files.
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Q2. Mutex and semaphore
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Q1. Unit wt.of steel ?
Ans. 
Unit weight of steel is typically around 7850 kg/m^3.
• Unit weight of steel is commonly expressed in kg/m^3.

• The unit weight of steel can vary depending on the type of steel being used.

• For example, the unit weight of mild steel is approximately 7850 kg/m^3.
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Q2. How to checked shuttering level
Ans. 
Shuttering level can be checked using a spirit level to ensure it is horizontal or vertical.
• Use a spirit level to check if the shuttering is horizontal or vertical

• Ensure the bubble in the spirit level is centered to indicate level

• Adjust the shuttering as needed to achieve the correct level

• Check multiple points along the shuttering to ensure consistency
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Q1. What is least count of micrometre
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The least count of a micrometer is the smallest measurement that can be read on the scale of the micrometer.
• The least count of a micrometer is typically 0.01 mm or 0.001 mm depending on the type of micrometer.

• It is determined by the number of divisions on the thimble and the pitch of the screw thread.

• For example, a micrometer with 50 divisions on the thimble and a pitch of 0.5 mm would have a least count of 0.01 mm.
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Q2. What difference b/w flatness and parallelism.
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Flatness refers to the surface of an object being even and level, while parallelism refers to the alignment of two surfaces in the same plane.
• Flatness is the measure of how even and level a surface is, without any deviations or bumps.

• Parallelism is the measure of how aligned two surfaces are in the same plane, without any angular deviation.

• Flatness is important for ensuring smooth contact between surfaces, while parall...read more
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Q3. Do you know make drawing 2D and 3D(AutoCAD)
Ans. 
Yes, I am proficient in creating 2D and 3D drawings using AutoCAD.
• I have experience creating detailed 2D drawings for architectural and engineering projects.

• I am skilled in using AutoCAD to design 3D models for visualization and analysis.

• I am familiar with tools and commands in AutoCAD for accurate and precise drawings.
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Q1. What is full form of gdt
Ans. 
Geometric Dimensioning and Tolerancing
• GDT stands for Geometric Dimensioning and Tolerancing

• It is a system for defining and communicating engineering tolerances

• It uses symbols to specify the geometric characteristics of a part
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Q2. Do you know cnc programming input offset
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CNC programming input offset is used to adjust the position of the tool relative to the workpiece.
• CNC programming input offset is used to compensate for tool wear or inaccuracies in the machine.

• It allows the operator to make small adjustments to the tool position without changing the entire program.

• For example, if a drill bit is slightly worn, the input offset can be used to adjust the position of the tool to ensure ac
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