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AutoCAD Interview Questions
AutoCAD interview questions and answers most asked at top companies. These AutoCAD questions are for both experienced & fresher candidates PDF Download Free.

List of AutoCAD Interview Questions and Answers PDF

What is AutoCAD?

AutoCAD is a software program built to design and shape the 2-D and 3-D images.  It provides the tools by which a detail design of the product can be done. It also has the option to create detailed design layout, which can be automatically drawn by using source model.

What are the uses of Autocad?

Autocad can be used by the professionals to visualize the imaginary view of the product on a computer system. In Autocad, it is possible by the drafter to make the changes in the product before it gets finalized for design. It also gives the freedom for the designer to implement their various ideas and represent them to the suppliers or their clients.

What are the fields where you see maximum use of Autocad?

Autocad is more popular among the architects, engineers and builders for developing their building layouts.

What is the file formats used in design?

In Autocad, .dwg file format is used for design, it can be an interchangeable format.  The file format which is interchangeable has the extension as DXF and operates data operability. It provides different languages which can be used as per the requirement.

How you can create a user interface in Autocad?

User interface can be created by using the command prompts to draw the plots and dialog boxes. The dialog boxes can be displayed by the use of PLOT command and the external database commands (ASE).  Setting of CMDDIA to 1, allows the dialog boxes to run the command.  The user interface creation also needs the command line to display the entire file so that it can be edited or customized easily.

What is the function of vertical integration?

To enhance the architectural designing of 3D object Autocad uses the vertical integration program.  The 3D objects can include walls and other things that are associated with the data having information and simple objects like lines and circles. The data is programmed in such away that it represents only the architectural products and the extracted files, and can be modified according to the requirement.

What is the use of variant in Autocad?

In Autocad variants are used to help in creation, visualizing and rendering the 3D models that include 3D printing as well.  Variants allows you to use the functionality of different application according to the requirement.

What are the benefits of using Autocad?

Autocad has replaced the traditional method of drafting and designing which was made by pencil, drafting boards, triangles and compass with just a set of a computer program.  The benefits are immense like:

  • Saves time and helps to increase the productivity
  • It helps to streamline your design and documentation workflow
  • Physical ‘3D’ prototype of the design can be quickly created by using Autocad
  • 3D models can be directly imported into Autocad by using application like SolidWorks
  • Tedious work of drafting can be done easily and you can design and re-design the product in short span of time.
What is the process to draw a line more than one time and save it automatically?

When a need arises to draw a new line the process opens up a new file in a new session to write the file. Autocad allows saving multiple drawing for each session. The files are saved by using the file extension .dwg and it can be modified by using the browser.

What are the steps that enable the drag and drop feature in Autocad?

Autocad provides a way to drag and drop the elements by the use of “NOUN” and “VERB” in a dialog box.  It allows the object to move from one place to another.  Likewise, the remove or editing function can be done by using “MOVE and ERASE”.

What are the features corrected by Autocad?

Autocad detects the problem and correct it by removing the corruption with the drawing parts.  With the available option of adding additional vertices, it also adds vertices to the poly-lines. The error can be corrected or neglected by finding out the exact location of the poly-line that has zero vertices.  The object can be deleted or removed after there is no use of it in the system.

How to set up a default drawing directory?

Default drawing directory has sub directories having the information using the windows commands. The applications, which are going to be used, are highlighted, and by using drag and drop features those application will be placed in the default directory. The properties for the application are selected from the menu and dialog boxes displayed on the front.

How you can copy a closed drawing?

The copying of the closed drawing can be done by the designer center in the toolbar of the Autocad.  By using the tree view option the copy of closed drawing can be done easily. The modification of the drawing can be done by using graphical interface.

How you can hide the specific layers when plotting in Autocad?

To hide the specific layers while plotting, you can use various options like turning off the layers for plotting , freezing the layers and turning off. Turning off for plotting will show the layers on the screen but won’t output on printing. The layers that are turned off will hide the layers and also it will not appear on the screen.

What is the process of copying the dimension styles from one drawing to another in Autocad?

Copying of dimension styles require setting up the particular dimension style. To copy a dimension style, a new document has to be created. Once it is created, this document will be saved as a drawing template. A new reference will be created by new drawing template document and it will show all the options like layer style, units and blocks. Drawing can be done by seeing the current drawing and dimension style would be same as the original picture. By using the design center, Autocad tools can be used to copy the dimension styles from one drawing to another.

How can you remove the empty layers from drawing?

The layers can be removed only when the object resides in the layers will be removed, once it is removed it is an empty layer. The empty layers cannot be deleted by purge. It might be because the layer is frozen on a viewport or referenced by an object in a block definition. By using EXPORT command it is possible to remove the layer from drawing, which results in creating a DXF file of the drawing. You can edit the dxf file in a text editor and rename all the instances of layers in the file, except the layer definition.

Why Autocad WS is more popular among mobile users?

Autocad WS provides many option for mobile application developer like edit, view and share.  They can easily share the application wherever they go and can develop an application in a matter of time. The application can be downloaded and installed from anywhere in the world, ignoring the licensing problem. The users can save file in any format and can run the application on any platform with ease.

How can you make a spring, spiral or screw thread?

To make a spiral or screw thread use an AutoLISP routine such as spiral.1sp, it will create a spiral path according to your need. Then you can use EXTRUDE command with a reference object, using the spiral as the path.  Also, there is another way you can do this, by using Mechanical Desktop (MDT) or Autosurf by using augmented lines as path.

Tell me how you assign the keyboard characters or function keys to Autocad commands?

By editing the ACCELERATORS section of the Autocad menu file we can assign keyboard characters to Autocad commands.

How you can open a drawing file that was created with the automatic save features?

Autocad files have an extension of “.dwg” and will only open those files having this extension. To open the drawing files you have to rename it, by using Explorer or DOS prompt you can do that. If you are using EXPLORER you have to make sure that the option of “Hide file extensions for known file types” is not enabled. After the file is copied you can rename and use the OPEN command in Autocad to open the drawing.

What will you do when command prompts appear on the command line instead of ASE dialog box and plot dialog box?

In Autocad, CMDDIA variable controls the display of dialog boxes. To enable these dialog boxes you have to set CMDDIA to 1.

In Autocad, what is the command that is used to rotate the grid at 45 degress?

To rotate the grid at 45 degrees, command UCS is used.

In what situation command prompt appears instead of a dialog boxes?

If a file command is imported from a script or AutoLISP/ ObjectARX/ ADSRX a command prompt appears instead of a dialog box.

What are grips?

Grips are small boxes that appear on the objects you select.  You can move or edit an object by dragging a grip.

What you are supposed to do when “Enter Attributes” dialogue doesn’t display?

In this case, two variable controls this function, ATTREQ and ATTDIA , to see the “Enter Attributes” dialogue , make sure both the variables are set to 1 and not 0.

What is API testing?

API (Application Programming Interface) specifies how some software components should interact with other, in other words it’s a set of functions and procedures that allows the creation of applications which access the features or data of an application or operating system.   Testing of these functions is known as API testing.

What are the tools used for API testing?

The tools used for various API testing are

  • SoapUI Pro
  • LoadUI Pro
  • Alertsite API monitoring
What are the common tests performed on API’s?

The common tests performed on API’s

  • Verification of the API whether it is updating any data structure
  • Verify if the API does not return anything
  • Based on input conditions, returned values from the API’s are checked
  • Verification of the API whether it triggers some other event or calls another API
Mention the key difference between UI level testing and API testing?

UI ( User Interface) refers to testing graphical interface such as how user interacts with the applications, testing application elements like fonts, images, layouts etc. UI testing basically focuses on look and feel of an application.

While, API enables communication between two separate software systems. A software system implementing an API contains functions or sub-routines that can be executed by another software system

Explain what is SOAP?

SOAP-stands for Simple Object Access Control, and it is an XML based protocol for exchanging information between computers.

Explain what is REST API?

It is a set of functions to which the developers performs requests and receive responses. In REST API interaction is made via HTTP protocol

REST – stands for Representational State Transfer, it is quickly becoming defacto standard for API creation.

Difference API and Unit Testing?
                       API testing                          UNIT testing
  • API is owned by QA team
  • Unit testing is owned by development team
  • API is mostly black box testing
  • Unit testing is white box testing
  • Full functionality of the system is considered in API testing as it will be used by the end-user (external developers who will use your API )
  • Unit testing is done to verify whether each unit in isolation performs as expected or not
  • API test are often run after the build is ready and authors do not have access to the source code
  • For each of their module the developers are expected to build unit tests for each of their code modules and have to ensure that each module pass unit test before the code is included in a build
How to test API’s ?

To test the API’s you should follow the following steps

  • Select the suite in which you want to add the API test case
  • Choose test development mode
  • Develop test cases for the desired API methods
  • Configure application control parameters
  • Configure test conditions
  • Configure method validation
  • Execute API test
  • View test reports
  • Filter API test cases
  • Sequence API test cases
Mention what the main areas to be taken in consideration while writing API document ?

The key area to be considered when writing API documents are

  • Source of the content
  • Document plan or sketch
  • Delivery layout
  • Information required for each function in the document
  • Automatic document creation programs
In API document explain how to document each function ?What are the tools used for documentation?
  • Description: Small description about what a function does
  • Syntax: Syntax about the parameter of the code, the sequence in which they occur, required and optional elements etc.
  • Parameters: Functions parameters
  • Error Messages: Syntax of error messages
  • Example Code: Small snippet of code
  • Related Links: Related functions

Popular tools used for API documentations are JavaDoc (for Java code ) Doxygen (for .Net code)

Explain API framework?

API framework is self-explanatory. Values for test run and for holding the configurable parts, config file is used.  Automated test cases must represent in “ parse-table” format within config file.  When testing API, it is not necessary to test each API so the config file have some section whose all API are activated for that specific run.

How does the API Builder work?

API Builder is a PLSQL program consists of four SQL files

  • For setting API parameters and starting the process one file is responsible
  • Two files are created for temporary tables and Master package to create the outputted code
  • Fourth file creates “spooled” output of the code into a file called “output_script_.sql”
Explain what is TestApi ?

TestApi is a library of utility and test APIs that enables testers and developers to create testing tools and automated tests for .NET and Win32 application.  It provides a set of common test building blocks, types, data-structure and algorithms.

What is Input injection and what are different ways of doing it ?

Input Injection:  It is the act of simulating user input, in several ways you can simulate user input.

  • Direct Method Invocation
  • Invocation using an accessibility interface
  • Simulation using low-level input
  • Simulation using a device driver
  • Simulation using a robot
What are the main challenges of API testing?

The main challenges in API testing is

  • Parameter Selection
  • Parameter Combination
  • Call sequencing
What is API testing with runscope ?

Runscope is a web application that provides backend services and easy to use interface for testing APIs.

Explain what are the principles of API test design?

The principle for API test design are

  • Setup : Create objects, start services, initialize data etc
  • Execution: Steps to exercise API or scenario, also logging
  • Verification: Oracles to evaluate execution outcome
  • Reporting: Pass, failed or blocked
  • Clean up: Pre-test state
What are the types of Bugs will API testing finds?

The types of Bugs, API will find

  • Missing or duplicate functionality
  • Fails to handle error conditions gracefully
  • Stress
  • Reliability
  • Security
  • Unused flags
  • Not implemented errors
  • Inconsistent error handling
  • Performance
  • Multi-threading issues
  • Improper errors
What are the tools used for API test automation?

While testing Unit and API testing,  both target source code, if an API method is using code  based on .NET then the tool which is supporting should have .NET

Automation tools for API testing can be used are

  • NUnit for .NET
  • JUnit for Java
  • HP UFT
  • Soap UI
Mention the steps for testing API ?

API testing steps

  • Select the test case that has to be fulfilled
  • For API call develop a test case
  • To meet the test case configure the API parameters
  • Determine how will you validate a successful test
  • Using programming language like PHP or .NET execute the API call
  • Allow the API call to return the data to validate
What are the common protocols that are testing in API tesing ?
  • HTTP
  • JMS
  • REST
  • SOAP
  • UDDI

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