20+ Mechanical Designer Interview Questions and Answers

To perform analysis tests in SolidWorks or ANSYS, follow these steps:

• Import the structure into the software

• Define the material properties

• Apply appropriate boundary conditions

• Set up the analysis type (static, dynamic, thermal, etc.)

• Define the loads and constraints

• Mesh the structure

• Run the analysis

• Review the results and interpret them

• Make necessary design modifications based on the analysis

To use the same sketch in different planes with different sizes, you can create a base sketch and then use it as a reference to create new sketches.

• Create a base sketch with the desired shape and size

• Use the base sketch as a reference to create new sketches on different planes

• Modify the dimensions and size of the new sketches as needed

• Ensure that the relationships and constraints between the sketches are maintained

• Examples: creating a 2D profile of a part and then using it to...read more

Aluminium based metal matrix composite reinforced with coconut shell ash exhibits improved mechanical behavior.

• Coconut shell ash is a low-cost and eco-friendly reinforcement material.

• The composite exhibits improved strength, stiffness, and wear resistance.

• The mechanical properties of the composite can be optimized by varying the composition and processing parameters.

• Applications of the composite include automotive and aerospace industries.

Different types of filter medium used in pulse jet bag filter.

• Polyester felt

• Polypropylene felt

• Nylon mesh

• Fiberglass

• PTFE membrane

• Acrylic felt

Yes, I am proficient in heat load calculations.

• I have experience in performing heat load calculations for HVAC systems.

• I am familiar with using software tools like Carrier HAP or Elite Software RHVAC for accurate calculations.

• I understand the principles of heat transfer and how to apply them in calculating heat loads.

• I have successfully completed projects where accurate heat load calculations were crucial for system design.

Duct design involves considering airflow requirements, material selection, sizing, and layout.

• Determine the airflow requirements for the space or system.

• Select appropriate materials based on factors like temperature, pressure, and corrosion resistance.

• Calculate the duct size based on airflow velocity and pressure drop.

• Design the layout considering space constraints, accessibility, and efficiency.

• Consider factors like noise reduction, insulation, and fire safety.

• Use software t...read more

A weldment in SolidWorks is a feature that allows users to create and design welded structures.

• Weldments are commonly used in the design of structures such as frames, trusses, and supports.

• They are created by sketching a 2D profile and then using the weldment feature to extrude it along a path.

• Weldments can be made from various materials such as steel, aluminum, or wood.

• They can include different types of welds, such as fillet welds or groove welds.

• Weldments can be further mo...read more

K factor is a constant used in sheet metal design to calculate the bend allowance and bend deduction.

• K factor is dependent on the material being used and the bending process.

• It is used to determine the amount of material stretch or compression during bending.

• K factor is used to calculate the bend allowance and bend deduction.

• It is important to accurately determine the K factor to ensure the correct dimensions of the final product.

Different types of pipe sizes used in air header include 1/2 inch, 3/4 inch, 1 inch, and 2 inch.

• Common pipe sizes used in air headers are 1/2 inch, 3/4 inch, 1 inch, and 2 inch.

• Pipe size selection depends on the required air flow rate and pressure drop.

• Larger pipe sizes are used for higher flow rates and to minimize pressure drop.

• Smaller pipe sizes are used for lower flow rates and when space is limited.

• Pipe sizes can vary depending on the specific application and system requ...read more

Different types of pulsing valves used in pulsing

• Diaphragm valves

• Solenoid valves

• Piston valves

• Rotary valves

• Poppet valves

Yes, I can use software to conduct a case study for mechanical design projects.

• I can use software like CAD programs to create detailed models and simulations for case studies.

• I can analyze the performance of different design options and make recommendations based on the results.

• I can present the findings of the case study using visualizations and reports to communicate the design process and outcomes to stakeholders.

Linear speed of a conveyor can be calculated by dividing the distance traveled by the time taken.

• Calculate the distance traveled by the conveyor belt in a certain time period

• Determine the time taken for the conveyor belt to travel that distance

• Divide the distance by the time taken to get the linear speed

I am proficient in CAD software such as AutoCAD, SolidWorks, and CATIA for mechanical design.

• AutoCAD

• SolidWorks

• CATIA

Runout of the shaft refers to the amount of deviation from a true circular path, while tolerance is the acceptable range of variation in dimensions.

• Runout of the shaft is the amount by which a shaft deviates from a true circular path when it rotates.

• Tolerance is the acceptable range of variation in dimensions for a part or component.

• Runout can be measured using tools like dial indicators or laser alignment systems.

• Tolerance is specified in engineering drawings to ensure prope...read more

The short key for trim in AutoCAD is TR.

• The short key for trim in AutoCAD is TR.

• It is used to trim or remove unwanted parts of lines, arcs, or polylines.

• To use the trim command, press TR and then select the objects to trim.

• You can also use a fence or a crossing selection to trim multiple objects at once.

• After selecting the objects, press Enter to complete the trim operation.

3rd angle is a method of representing a 3D object in a 2D drawing by placing the object behind the viewing plane.

• In 3rd angle projection, the top view is placed above the front view and the right side view is placed to the right of the front view.

• Commonly used in engineering and technical drawings to accurately represent the object in 2D.

• Helps in visualizing the object from different perspectives without actually rotating it in space.

Design is the process of creating solutions to problems through the use of creativity and technical knowledge.

• Design involves identifying a problem or need

• It requires creativity to come up with innovative solutions

• Technical knowledge is used to implement the design

• Design can be seen in various fields such as product design, graphic design, and industrial design

Inlet outlet area calculation is a process of determining the area of the inlet and outlet openings of a system.

• Calculate the area of the inlet and outlet openings using appropriate formulas

• Consider the shape of the openings (e.g., circular, rectangular) and use the corresponding formulas

• Measure the dimensions of the openings accurately to obtain precise results

• Take into account any obstructions or restrictions in the flow path that may affect the effective area

• Ensure the uni...read more

GD&T stands for Geometric Dimensioning and Tolerancing, a system used to define and communicate engineering tolerances.

• GD&T is a symbolic language used on engineering drawings to specify the allowable variation in form and size of features.

• It uses symbols, such as squares, circles, and triangles, to define the tolerance zones for features.

• GD&T helps ensure that parts fit together properly and function as intended.

• Examples of GD&T symbols include concentricity, flatness, perpe...read more

1st angle is a method of projection used in engineering drawings to represent a 3D object on a 2D plane.

• 1st angle projection involves placing the object in the first quadrant of a coordinate system.

• In 1st angle projection, the object is projected onto a plane located between the viewer and the object.

• Commonly used in Europe and Asia.

• Used in engineering drawings to accurately represent the object's dimensions and features.

GD&T symbols are used to communicate design intent and specifications in engineering drawings.

• GD&T symbols help to clearly define the geometric characteristics of a part, such as flatness, perpendicularity, and concentricity.

• They ensure consistency and accuracy in manufacturing processes by providing a universal language for communicating design requirements.

• GD&T symbols help to reduce ambiguity and interpretation errors that can arise when using traditional dimensioning meth...read more