Cadmaxx Solutions Design Engineer Interview Questions and Answers for Experienced

Test contain mix question from computer fundamentals and aptitude

Q1. Find the leaf node of the binary tree
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A leaf node in a binary tree is a node that does not have any children.
• Traverse the binary tree and check if a node has no left or right child, then it is a leaf node.

• Example: In the binary tree 1 -> 2, 3 -> 4, 5, 6 -> 7, 8, the leaf nodes are 4, 5, 7, 8.
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Q2. Check if the given linked list contain loop
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Check if a linked list contains a loop by using Floyd's cycle detection algorithm.
• Use two pointers, one moving at twice the speed of the other

• If there is a loop, the two pointers will eventually meet

• Example: 1->2->3->4->5->2 (loop at 2)
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Q3. Find the fist non repeating element in string
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Find the first non-repeating element in a string
• Create a frequency map of characters in the string

• Iterate through the string and check the frequency of each character

• Return the first character with frequency 1
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Percentage ,ratio,time & speed

Array,string basic question

Q1. Basic of object oriented programming language
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Q2. Whatever there was in my resume
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Q1. Theories of failure, in depth
Ans. 
Theories of failure explain how and why materials fail under different conditions.
• Theories of failure are used to predict the failure of materials under different loads and conditions.

• There are different types of theories of failure, including maximum shear stress theory, maximum normal stress theory, and maximum strain energy theory.

• Maximum shear stress theory states that failure occurs when the maximum shear stress i...read more
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Q2. Basic material properties
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Basic material properties include density, strength, hardness, elasticity, and conductivity.
• Density refers to the mass per unit volume of a material.

• Strength is the ability of a material to withstand external forces without breaking or deforming.

• Hardness is the resistance of a material to indentation or scratching.

• Elasticity is the ability of a material to return to its original shape after being deformed.

• Conductivity ...read more
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Q1. Project questions on previous experience
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Q1. 2d to 3d cad test. Need to match the drawing
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Q1. - what do u know about CAD software ?
Ans. 
CAD software is used to create, modify, analyze, and optimize designs in 2D or 3D format.
• CAD stands for Computer-Aided Design

• It is used in various industries such as architecture, engineering, and manufacturing

• CAD software allows for precise measurements and calculations

• Examples of CAD software include AutoCAD, SolidWorks, and CATIA
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Q2. - Commands use to making modeling & drawing in software?
Ans. 
Various commands are used for modeling and drawing in software.
• For modeling: extrude, revolve, sweep, loft, fillet, chamfer, boolean operations

• For drawing: line, circle, arc, rectangle, polygon, dimensioning, text

• Software-specific commands: SketchUp - push/pull, Fusion 360 - timeline, SolidWorks - feature manager

• Keyboard shortcuts can also be used to speed up the modeling and drawing process
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Q3. - Are you ready to relocate in pan India ?
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Q4. - Angle of projection, Diff between Wave Geometry Linker vs Wave Interface Linker
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Answering a question on angle of projection and difference between Wave Geometry Linker and Wave Interface Linker.
• Angle of projection refers to the angle at which an object is projected into the air.

• Wave Geometry Linker is used to connect geometric shapes in a waveguide, while Wave Interface Linker is used to connect waveguide interfaces.

• Wave Geometry Linker is used in designing waveguide components, while Wave Interfa...read more
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Q1. - Are you ready to sign 3 year bond with 12K inhand salary ?
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Q1. About past experience
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Q2. Related to work experience
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Q1. Different types of fit
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Different types of fit include clearance fit, interference fit, and transition fit.
• Clearance fit: Parts are intended to have a gap between them for easy assembly and disassembly. Example: sliding fit for a piston in a cylinder.

• Interference fit: Parts are pressed together with a force to create a tight joint. Example: press fit for bearings in a housing.

• Transition fit: Parts have both clearance and interference at diffe...read more
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Q2. Type of Manufacturing process
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Manufacturing process refers to the methods and techniques used to produce goods or products.
• Manufacturing processes can be categorized into four main types: casting, forming, machining, and joining.

• Examples of manufacturing processes include injection molding, CNC machining, welding, and extrusion.

• The choice of manufacturing process depends on factors such as material properties, desired product characteristics, and p
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Q1. GD&T Symbol and limit fits tolerance
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Q2. Ask commands name of solid work and angel of projection.
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