CADD Centre Software Solutions Drafting Engineer Interview Questions and Answers

Q1. Why you want to switch job
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Q2. Why should we hire you
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Q1. What is GD&T and where it used
Ans. 
GD&T stands for Geometric Dimensioning and Tolerancing. It is a system used to define and communicate engineering tolerances.
• GD&T is a symbolic language used to specify the allowable variations in form, size, orientation, and location of features on a part.

• It provides a precise and standardized way to communicate design requirements to manufacturers and ensure the interchangeability of parts.

• GD&T is commonly used in in...read more
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Q2. Tell me about DFMEA
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DFMEA stands for Design Failure Mode and Effects Analysis. It is a systematic approach to identify and mitigate potential failures in a product or process design.
• DFMEA is a proactive risk assessment tool used during the design phase of a project.

• It involves identifying potential failure modes, their causes, and the effects they may have on the system.

• The severity, occurrence, and detection ratings are assigned to each ...read more
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Q3. What you know about sheet metal
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Sheet metal refers to thin, flat pieces of metal used in various applications such as construction and manufacturing.
• Sheet metal is typically made from materials like steel, aluminum, or copper.

• It is commonly used in industries like automotive, aerospace, and HVAC.

• Sheet metal can be formed into different shapes through processes like bending, cutting, and welding.

• It is often used to create components like ducts, enclos...read more
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Q4. What are the sheet metal cutting process
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Sheet metal cutting processes involve various methods to cut and shape sheet metal.
• Shearing: Cutting straight lines using a shear or guillotine

• Laser cutting: Using a laser beam to melt and vaporize the metal

• Plasma cutting: Using a high-velocity jet of ionized gas to cut through the metal

• Waterjet cutting: Using a high-pressure stream of water mixed with abrasive particles

• Punching: Creating holes or shapes using a punch ...read more
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Calculate the load-bearing capacity of a beam given its dimensions and material properties

Q1. Drow shear force diagram and bending moment diagram
Ans. 
Shear force and bending moment diagrams show the variation of internal forces along a structural element.
• Shear force diagram shows the variation of shear force along the length of a beam.

• Bending moment diagram shows the variation of bending moment along the length of a beam.

• Shear force changes sign at point of applied load, while bending moment is zero at point of applied load.
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Q2. Design software about Pv elite
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PV Elite is a software used for designing pressure vessels and heat exchangers in the oil and gas industry.
• PV Elite is commonly used by civil engineers in the oil and gas industry for designing pressure vessels and heat exchangers.

• The software allows engineers to analyze and design pressure vessels according to various international codes and standards.

• PV Elite provides tools for designing components such as shells, he...read more
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Q3. What is Water cement ratio?
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Water cement ratio is the ratio of the weight of water to the weight of cement used in a concrete mix.
• Water cement ratio is a crucial factor in determining the strength and durability of concrete.

• A lower water cement ratio results in stronger and more durable concrete.

• The ideal water cement ratio varies depending on the type of concrete mix and its intended use.

• For example, a water cement ratio of 0.5 is commonly used
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Q4. Father of mix concrete ratio?
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The father of mix concrete ratio is Duff Abrams.
• Duff Abrams is known as the father of mix concrete ratio.

• He developed the Abrams' Law which is used to determine the water-cement ratio in concrete mix design.

• Abrams' Law states that the strength of concrete is inversely proportional to the water-cement ratio.
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Basic question of c and c++ and basic aptitude questions on work , time, age

Q1. Asked question about joins in SQL
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Q2. And question in C++ like what is pure virtual function and why is friend function used
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Analytical, Reasoning