DGS Technical Services Interview Questions, Process, and Tips

Basics of aptitude test

Q1. Basics of mechanical engineering
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Q2. Basics of spoken english
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The total exam is descriptive.. you need to learn more from the subjects like engineering drawing, strength of materials,1. aptitude and reasoning i have got 6 questions i think consists of topics like averages, percentages, filling and braying of tank, water flow, train and pole and some ratio topics
2. subjects wise mcqs and descriptive like welding temperatures welding joints and welding methods and some of the questions to draw also about it
front side and top views of a particular object
oblique, perspective, isometric projection illustrate
and types of beams and... civil eng topics some
full forms of aiisc and autocad, cad , cam, iso etc design topics full forms in the exam

Q1. Both technical and Hr are in the same time they asked about the Stress strain diagram for me and explain about it and some of the dimensioning topics and some beams topics and structure topic also and aske...read more
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Q1. What are the basic formulas used in design?
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Basic design formulas include principles of geometry, material strength, and fluid dynamics essential for engineering applications.
• 1. Area = Length × Width (e.g., calculating the area of a rectangle)

• 2. Volume = Length × Width × Height (e.g., determining the volume of a cube)

• 3. Stress = Force / Area (e.g., analyzing material strength under load)

• 4. Strain = Change in Length / Original Length (e.g., measuring deformation ...read more
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Q2. What does the title block contain, and how is it important in technical drawings?
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The title block contains essential information about a technical drawing, ensuring clarity and proper documentation.
• Contains the drawing title, indicating the subject of the drawing.

• Includes the name of the designer and checker, ensuring accountability.

• Lists the scale of the drawing, which is crucial for accurate measurements.

• Provides the date of creation, helping track revisions and updates.

• May include the drawing num
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Q3. What is your experience with your previous company?
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I gained hands-on experience in engineering projects, collaborating with teams to enhance product design and efficiency.
• Worked on a team project to redesign a component, resulting in a 15% increase in efficiency.

• Participated in weekly meetings to discuss project progress and address challenges.

• Conducted testing and analysis on prototypes, ensuring they met quality standards.

• Collaborated with cross-functional teams, inc...read more
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Q4. What is the best approach to reading a draft effectively?
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Effective draft reading involves active engagement, critical analysis, and structured feedback for clarity and improvement.
• Skim the draft first to get an overview of the content and structure.

• Read actively by highlighting key points and making notes in the margins.

• Identify the main arguments and assess their clarity and logic.

• Check for coherence and flow between sections; ensure transitions are smooth.

• Provide construct...read more
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Q5. What does detailing involve?
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Detailing involves creating precise and comprehensive designs or specifications for engineering projects.
• Involves creating detailed drawings and specifications for components.

• Ensures accuracy in dimensions, materials, and tolerances.

• Includes annotations and notes for clarity, such as assembly instructions.

• Utilizes software tools like CAD for precision and efficiency.

• Example: Detailing a mechanical part for manufacturin
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Q6. What are the different types of metals?
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Metals are categorized into ferrous, non-ferrous, and noble metals, each with distinct properties and applications.
• Ferrous Metals: Contain iron; examples include steel and cast iron.

• Non-Ferrous Metals: Do not contain iron; examples include aluminum, copper, and zinc.

• Noble Metals: Resistant to corrosion and oxidation; examples include gold, silver, and platinum.

• Alloys: Mixtures of metals; examples include bronze (copper...read more
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Q7. What types of metals are typically used in the manufacturing industry?
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Metals in manufacturing include ferrous and non-ferrous types, each with unique properties and applications.
• Ferrous metals: Contain iron, e.g., steel and cast iron, known for strength and durability.

• Non-ferrous metals: Do not contain iron, e.g., aluminum (lightweight, corrosion-resistant) and copper (excellent conductivity).

• Alloys: Combination of metals, e.g., brass (copper and zinc) used in plumbing and electrical app...read more
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Q8. What is your knowledge regarding dimension conversions?
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Dimension conversions involve changing units of measurement, essential in engineering for accuracy and standardization.
• Length: 1 inch = 2.54 cm, 1 meter = 39.37 inches.

• Area: 1 square meter = 10.764 square feet.

• Volume: 1 liter = 1.057 quarts.

• Mass: 1 kilogram = 2.20462 pounds.

• Temperature: Celsius to Fahrenheit: (°C × 9/5) + 32.
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Q9. What are the different types of fits in engineering?
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Fits in engineering define the tolerance and clearance between mating parts, ensuring proper assembly and function.
• 1. Clearance Fit: Allows space between parts, e.g., a shaft in a hole.

• 2. Interference Fit: Parts are tightly fitted, e.g., a press-fit bearing.

• 3. Transition Fit: Combination of clearance and interference, e.g., a bolt in a hole.

• 4. Loose Fit: Provides significant clearance, e.g., a wheel on an axle.

• 5. Tight...read more
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Q10. What is your knowledge of basic geometry?
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Basic geometry involves the study of shapes, sizes, and properties of space, including points, lines, angles, and figures.
• Geometry is divided into two main branches: Euclidean and Non-Euclidean geometry.

• Key concepts include points (no size), lines (infinite length), and planes (flat surfaces).

• Common shapes studied are triangles, circles, squares, and polygons.

• The Pythagorean theorem relates the sides of a right triangl...read more
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Q11. If you are deemed suitable for the position, what kind of tool test will you be required to take?
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As an Engineer Trainee, I may be required to take various tool tests to assess my technical skills and problem-solving abilities.
• Technical proficiency test: Assessing knowledge of engineering software like AutoCAD or MATLAB.

• Hands-on tool test: Using tools like oscilloscopes or multimeters to troubleshoot circuits.

• Problem-solving scenarios: Solving engineering problems or case studies relevant to the role.

• Team collabora...read more
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