Fichtner Consulting Engineers Site Supervisor Interview Questions and Answers

Q1. Drwaing related.
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Q2. About your previous company. What was yours experience.
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Q1. Welding techniques, Types,..
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Welding techniques and types are crucial for a General Manager to understand.
• There are several welding techniques such as MIG, TIG, Stick, and Flux-Cored welding.

• Welding types include arc welding, gas welding, resistance welding, and laser welding.

• The choice of welding technique and type depends on the material being welded, the thickness of the material, and the desired outcome.

• Welding safety is also important to cons...read more
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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?
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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?
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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?
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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?
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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?
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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.
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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
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Q1. GD and T aplication in fixture design
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GD&T (Geometric Dimensioning and Tolerancing) is commonly used in fixture design to ensure accurate and precise manufacturing processes.
• GD&T helps define the allowable variations in the dimensions and geometric features of a part, which is crucial in fixture design.

• Fixtures are designed to hold and position workpieces during manufacturing processes, and GD&T ensures that the fixtures are capable of achieving the requir...read more
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Q2. 321 principle for fixture design
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The 321 principle is a guideline for fixture design that ensures proper alignment and stability.
• The 3 points refer to the minimum number of contact points required for stability.

• The 2 points refer to the minimum number of planes required for alignment.

• The 1 point refers to the minimum number of degrees of freedom allowed for the part being fixed.

• For example, a fixture for holding a cylindrical object may have three con...read more
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Over all experience was good

Q1. Stress and strain
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Q2. Iron carbon diagram
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Iron carbon diagram shows the phases of iron and carbon at different temperatures.
• Iron carbon diagram is a graphical representation of the phases of iron and carbon at different temperatures.

• It helps in understanding the microstructure of steel and cast iron.

• The diagram shows the phases such as austenite, ferrite, cementite, and pearlite.

• It is used in metallurgy to determine the properties of steel based on its composi
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Q3. Isometric to orthogonal representation
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Isometric and orthogonal representations are two different ways to depict objects in engineering and design.
• Isometric representation shows objects in a 3D perspective with all three dimensions equally foreshortened.

• Orthogonal representation shows objects in a 2D format with each dimension shown separately and to scale.

• Isometric drawings are often used in technical drawings to show a 3D view of an object, while orthogon...read more
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Q4. About metal and non metals
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Q1. Basic concept of design
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Q2. How can some one reduce the cost of the components
Ans. 
Reducing component costs can be achieved through various strategies such as bulk purchasing, negotiating with suppliers, and redesigning products.
• Negotiate with suppliers for better pricing

• Explore bulk purchasing options for discounts

• Redesign products to use cheaper materials or components

• Consider outsourcing production to lower-cost regions

• Implement lean manufacturing practices to reduce waste and improve efficiency
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Q1. Basics different between torque and couple
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Q2. Some situational based questions
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Q1. Technical motor ball screws
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Q2. Technical basic and sheet metal and Moro’s selection
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Q1. What means the General tolerances
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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
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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
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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
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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
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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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