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INTRODUCTION

AUTOCAD IMPORTANT QUESTIONS AND ANSWERS

NOTES FOR INTERVIEW PREPARATION.

VOLUME 1

Hello students! In this Notes, I am going to give you some information about the notes which is very important for you and this notes has been written keeping that thought in mind. After doing Diploma / B.tech / AMIE, many students are interested in doing job in the field of designing. For that, during the study in college (in the final year or after completing college), students take AutoCAD course from different institutions or academies. However, AutoCAD course is also included in the syllabus of some engineering branches like Mechanical Engineering, Production Engineering, Industrial Engineering, Automobile Engineering, Electrical Engineering, Civil Engineering etc. Students cover the syllabus according to the college but also try to learn the AutoCAD course from some good institute or academy outside and learn it well. Students should keep one thing in mind that they should do any designing course from any institute, but practice the designing course regularly on the system at home or by going to the institute or academy so that you can have good command over the designing course. This e-book has been written keeping in mind the Diploma/B.tech/AMIE mechanical and allied branches pursuing and pass out engineering students which will help them a lot in mechanical drawing practice. Many times students take AutoCAD courses from institutes, they practice AutoCAD well and even have good command over AutoCAD. But when they try to find a designing job in a company, they do not get selected in the interview. We have now published a notes on the interview preparation of AutoCAD, the title of which is "AUTOCAD IMPORTANT QUESTIONS & ANSWERS NOTES FOR INTERVIEW PREPARATION - VOLUME 1". In this notes, questions asked about AutoCAD in companies have been explained along with their answers. This will help you a lot in your AutoCAD interview preparation. Whenever you are interviewed for the post of AutoCAD Designer / AutoCAD Draftsman / Design Engineer in any company, then you should keep in mind 4 important things which are as follows: -

1. You can be shown the layout of any drawing and you can be asked questions related to that drawing. This means that you should be able to read and understand the drawing well.
2. You may be given a component or part to make on a computer.
3. You may be given a physical part and you may be asked to find the dimensions of that part or component with the help of measuring instruments and create a drawing with the help of those dimensions.
4. You can also be asked theoretical questions from AutoCAD software. So with the help of our "AUTOCAD IMPORTANT QUESTIONS & ANSWERS NOTES FOR INTERVIEW PREPARATION - VOLUME 1" Notes, you can prepare well for your interview. I hope that you will get a lot of help from these Notes in your preparation for AutoCAD interview.

NOTES FOR INTERVIEW PREPARATION

Q1. What is the Full Form of AutoCAD? Answer: The Full form AutoCAD is “Automated Computer Aided Design”. Q2. What do you understand by the AutoCAD? Answer: AutoCAD is an application software that is used to draw 2D (Layout), Isometric, orthographic and 3D model drawings as per Engineering streams as per according to units in a desktop or laptop. Q3. Which of the following command are used to rotate Grid at 45 degree in AutoCAD Software? Answer: UCS Command are used to rotate Grid at 45 degree in AutoCAD Software. Q4. In Which type of Companies sector Maximum AutoCAD Software are used? Answer: AutoCAD Software maximum is used in Engineering, Architecture, Civil Engineering and Builders for developing and designing layout of building. Q5. Which type of file format is used in AutoCAD for Designing? Answer: The .DWG file format is used in AutoCAD for designing. Q6. Which Functional keys are used for ON/OFF Grid? Answer: F7 Functional keys are used for ON/OFF Grid.

AUTOCAD IMPORTANT QUESTIONS AND ANSWERS

Q7. What are the advantages of AutoCAD in comparison to drafting? Answer:

1. Saving of time.
2. Help to increase the productivity.
3. 2D and 3D model design in short span of time.
4. Design and redesign the product within short duration of time. Q8. Which type of commands are used to design and layout in mm, centimeter, inches and foots etc.? Answer: Unit Command Q9. Which type of commands are used to exit from the zoom command? Answer: Escape Command are used to exit from the zoom command. Q10. Which type of commands are used to exit from the pan command? Answer: Enter of command are used to exit from the pan command. Q11. What is the full form of “UCS”? Answer: The full form of UCS is “USER COORDINATE SYSTEM”. Q12. How many types of Coordinate system are used in AutoCAD? Answer: Three types of Coordinate system are used in AutoCAD. Q13. Name the Coordinate systems used in AutoCAD? Answer: Absolute Coordinate system, Relative Rectangular Coordinate System and Relative Polar Coordinate system are used in AutoCAD.

Q14. What is Absolute Coordinate System? Answer: When to specify the object location concerning the origin (0, 0), it is known as Absolute Coordinate System. The Specific format of the Absolute Coordinate System on the Command prompt Box is (#X, Y). Q15. What is Polar Coordinate System? Answer: A system in which each point on the plane is determined by the distance from the reference point along with an angle from the reference point. This type of coordinate system is known as Polar Coordinate System. The Specific format of the Polar Coordinate System on the Command prompt Box is (@Distance, <Angle). Q16. What is Relative Rectangular Coordinate System? Answer: A Coordinate System in which we locate a point relative to the another point. This type of Coordinate System is known as Relative Rectangular Coordinate System.. The Specific format of the Relative Rectangular Coordinate System on the Command prompt Box is (@X, Y). Q17. Which Functional keys are used for ON/OFF Ortho line? Answer: ‘F8’ Functional keys are used for ON/OFF Ortho line. Q18. How to draw a line in any angle? Answer: Draw a line with Ortho (F8). Next, draw inclined line with off Ortho Command. First of all, press tab button on keyboard and type the angle in command box and then again, press tab button for locking the angle and given dimensions in the command box or command display box and the press enter button. Q19. What is the function of Zoom Command in AutoCAD? Answer: Zoom Command helps to Zoom in and Zoom out the drawing in AutoCAD.

Q20. What is the Function of Unit Command in AutoCAD? Answer: Unit Command helps to change the drawing Scale units in mm, cm, inches and foots etc. This command also helps to change the dimension of the drawing in mm, cm, inches and foots etc. Q21. How to draw a rectangle in AutoCAD work space if you don’t know the height or a length of the rectangle? Answer: If you know the Area and length or a height (know any one dimension both of them) and don’t know the height of the rectangle then you draw a rectangle with the help of Area. Q22. What is the shortcut key of Polygon Command? Answer: Type “POL” and then press Enter key. Q23. How to draw a maximum side’s polygon in AutoCAD? Answer: 1024 Sides. Q24. How to draw a minimum side’s polygon in AutoCAD? Answer: 3 Sides. Q25. What do you mean by “draw a polygon or other object inscribed in circle”? Answer: Inscribed in Circle means to draw a polygon or any object inside the circle or in other object. Q26. What do you mean by “draw a polygon or other object circumscribed the circle”? Answer: circumscribed the Circle means to draw a polygon or any object outside the circle or in other object.

Q27. How to draw a polygon if you don’t know the radius and side of the polygon or other object? Answer: If you don’t know the radius and side of the polygon or other object but you know the distance of the edge (like 10 mm) of the polygon or other object then you can draw polygon or other object with the help of distance of the edge value or unit or dimension. Q28. What is the shortcut key of Arc Command in AutoCAD? Answer: Type “A” in Command prompt and then press Enter key. Q29. How many methods are used to draw Arc in AutoCAD Workspace? Answer: (a) 3 points command. (b) Start, Center, End. (c) Start, Center, Length. (d) Start, End, Angle. (e) Start, End, Direction. (f) Start, End, Radius. (g) Center, Start, End. (h) Center, Start, Angle. (i) Center, Start, Length. (j) Continue Arc Command. Q30. What is the function of Revision Cloud Command in AutoCAD? Answer: Revision Cloud Command is used for highlighting any part in a drawing. Q31. What is the shortcut key of Spline Command in AutoCAD?

Answer: Type “Spl” in Command prompt and then press Enter key. Q32. What is the function of Spline Command in AutoCAD? Answer: Spline Command is used For Design any pattern in an object. Q33. Which type of shape and objects cannot be stretched by the Stretch Command in AutoCAD? Answer: Circle, Ellipse and Blocks cannot be stretched by the Stretch Command in AutoCAD. Q34. What is the shortcut key of Array Command in AutoCAD? Answer: Type “Ar” in Command prompt and then press Enter key. Q35. What are the types of Array Command? Answer: The three types of “Array Command are:- (a) Rectangular Array. (b) Path Array. (c) Polar Array. Q36. What is the shortcut key of Path Array Command in AutoCAD? Answer: Type “PA” in Command prompt and then press Enter key. Q37. What is the shortcut key of Polar Array Command in AutoCAD? Answer: Type “PO” in Command prompt and then press Enter key. Q38. How to change the width of a Rectangle or Line?

Answer: First of all, select the object (Line or Rectangle). Then, right click on the AutoCAD workspace then command dialog box opens. Choose properties command option from command dialog box. Click on the properties and then object properties dialog box will open on the screen. Change the value of width and click on ok button. The width of the object is changed. Q39. How to use Elevation Command in Rectangle? Answer: First of all, select the Elevation object → Right click and go to the properties option → Select Elevation change dimension → Enable the option → Close. Q40. What will happen if we apply EX (Extend Command) + Shift Command on the AutoCAD object? Answer: We can apply EX (Extend Command) + Shift Command on the AutoCAD object for trim work in the object. Q41. What will happen if we apply Tr (Trim Command) + Shift Command on the AutoCAD object? Answer: We can apply Tr (Trim Command) + Shift Command on the AutoCAD object for Extend work on the object. Q42. What is the shortcut key of Construction line Command in AutoCAD? Answer: Type “XL” in Command prompt and then press Enter key. Q43. Which Command is used to reverse back deleted object in AutoCAD drawing? Answer: OOPS Command Q44. What is the Function of Join Command? Answer: The join Command is used to convert multiline object in a single line object.

Q45. What is the function of Solid Command? Answer: The solid command is used to make an object solid. Q46. What is the function of Fill Command? Answer: If the donut is not to be filled, then the fill command has to be applied and the fill option has to be turned off. Q47. What is the Function of Fill Mode Command? Answer: To fill the donut, the fill Mode command has to be applied and the value "1" has to be given. Q48. What is the shortcut key of Solid Command in AutoCAD? Answer: Type “SO” in Command prompt and then press Enter key. Q49. What is the Function of Lengthen Command? Answer: Lengthen Command is used to close the open object. Lengthen command is also used for trimming and extending the object. Q50. What is the shortcut key of Lengthen Command in AutoCAD? Answer: Type “LEN” in Command prompt and then press Enter key. Q51. What will happen if Associate in Hatch command is “ON” in AutoCAD? Answer: if Associate in Hatch command is “ON” in AutoCAD, then in stretching the object hatching also will be stretched. Q52. What will happen if Associate in Hatch command “OFF” in AutoCAD??

Answer: if Associate in Hatch command “OFF” in AutoCAD then in stretching the object hatching will not be stretched with the object. Q53. What is the function of Match Property in AutoCAD? Answer: With the option of match property, we can paste the hatching of any object in another object. Q54. What is the function of Set Origin in Hatching in AutoCAD? Answer: Hatching can be set on the corner with the help of set origin. Q56. What is the shortcut key of Hatching Command in AutoCAD? Answer: Type “H” in Command prompt and then press Enter key. Q57. What is the function of ID Command in AutoCAD? Answer: In AutoCAD with the help of ID Command, you can check coordinate of any object. Q58. Which command helps to measure object internal part dimension in AutoCAD? Answer: ID Command. Q59. Which command helps to measure unknown angle of an object in AutoCAD? Answer: ID Command. Q60. What is the function of Utilities Commands in AutoCAD? Answer: In AutoCAD, utilities commands help to measure parameter of unknown object. Q61. What is the shortcut key of Rotate Command in AutoCAD?

Answer: Type “RO” in Command prompt and then press Enter key. Q62. What is the shortcut key of Mirror Command in AutoCAD? Answer: Type “Mi” in Command prompt and then press Enter key. Q63. What is the shortcut key of Offset Command in AutoCAD? Answer: Type “O” in Command prompt and then press Enter key. Q64. What is the shortcut key of Multiline Command in AutoCAD? Answer: Type “ML” in Command prompt and then press Enter key. Q65. What is the function of Justification in AutoCAD? Answer: Justification is used to change the dimensions in top, bottom, middle. Q66. Which type of commands are used to increase or decrease the space or gaps between the two or multiple lines? Answer: Scale Command. Q67. What is the function of Divide command in AutoCAD? Answer: With the divide command, we can divide any line or object and go to the utility and mark it by giving point style. Q68. What is the function of Measure command in AutoCAD? Answer: With Measure command, we can measure and divide the object. Q69. What is the shortcut key of Divide Command in AutoCAD?

Answer: Type “Div” in Command prompt and then press Enter key. Q70. What is the shortcut key of Measure Command in AutoCAD? Answer: Type “ME” in Command prompt and then press Enter key. Q71. What is the shortcut key of Block Command in AutoCAD? Answer: Type “B” in Command prompt and then press Enter key. Q72. What is the function of F1 Function Key in AutoCAD? Answer: The F1 Functional key are used for on Line Help in AutoCAD. Q73. What is the function of F2 Function Key in AutoCAD? Answer: The F2 Functional key is used for on Command Window in AutoCAD. Q74. What is the function of F3 Function Key in AutoCAD? Answer: The F3 Functional key is used for “OSNAP ON/OFF” in AutoCAD. Q75. What is the function of F4 Function Key in AutoCAD? Answer: The F4 Functional key is used for “3D OSNAP” in AutoCAD. Q76. What is the function of F5 Function Key in AutoCAD? Answer: The F5 Functional key is used for “Isoplane (Isometric Plane)” in AutoCAD. Q77. What is the function of F6 Function Key in AutoCAD? Answer: The F6 Functional key is used for “Dynamic UCS ON/OFF” in AutoCAD.

Q78. What is the function of F7 Function Key in AutoCAD? Answer: The F7 Functional key is used for “Grid ON/OFF” in AutoCAD. Q79. What is the function of F8 Function Key in AutoCAD? Answer: The F8 Functional key is used for “Ortho ON/OFF” in AutoCAD. Q80. What is the function of F9 Function Key in AutoCAD? Answer: The F9 Functional key is used for “Snap ON/OFF” in AutoCAD. Q81. What is the function of F10 Function Key in AutoCAD? Answer: The F10 Functional key is used for “Polar ON/OFF” in AutoCAD. Q82. What is the function of F11 Function Key in AutoCAD? Answer: The F11 Functional key is used for “Object Tracking Command ON/OFF” in AutoCAD. Q83. What is the function of F12 Function Key in AutoCAD? Answer: The F12 Functional key is used for “Dynamic Input” in AutoCAD. Q84. How to Dimension an Isometric Drawing? Answer: In isometric drawing, the dimensions have to be removed from the first align command. Select that dimension from the oblique command, then press enter. Click on 2 points on the line on which the aligned dimension is to be kept. Next, you will see that the key line is aligned. Q85. What is the shortcut key of Single Line Text Command in AutoCAD? Answer: Type “DT” in Command prompt and then press Enter key.

Q86. What is the shortcut key of Manage Text Style Command in AutoCAD? Answer: Type “ST” in Command prompt and then press Enter key. Q87. How to Manage Text Style in AutoCAD? Answer: After selecting the font and font style, click on the new button and click OK. If there is a need to change the rest of the style options Next, then you can change them. Next set current and close the dialog box. Now, you can text the new style you have created on AutoCAD screen. Now to write the text in new style, we will type “DT” on the command prompt and then press enter key on keyboard. Q88. How to create Table and New Table Style in AutoCAD? Answer: You can create a table by going to annotate and selecting the table option or type “TB” on the command prompt and then press enter key on keyboard. Q89. How to Edit Table in AutoCAD? Answer: To edit a table, double click on the table or type “Table edit” on the command prompt and then press enter key on keyboard. Q90. How to add or remove row and column in table in AutoCAD? Answer: To increase and decrease the row/column in the table, click on any one cell of the table. After clicking on the cell of the table, you will get the option to add and delete row and column in the above bar. Q91. How to merging row or column in Table in AutoCAD? Answer: To merge the row and column of the table in AutoCAD, you must first select the row and column you want to marge. Next, you can choose any one option of Merging by Column / Merging by Row / Merging by All according to the requirement and merge the row and column of the table.

Q92. How to increase and decrease the size of the table in AutoCAD? Answer: If the size of the table is small, then by typing the scale command on the command prompt and selecting the base point of the end table, you can make the table smaller or larger by dragging the mouse on the AutoCAD Screen. Q93. What is the shortcut key of Line Weight Command in AutoCAD? Answer: Type “L weight” in Command prompt and then press Enter key. Q94. What is the Function of Match Property Command in AutoCAD? Answer: With the help of Match Property command, the property of one object can be applied to another object. Q95. What is the shortcut key of Attribute Definition Command in AutoCAD? Answer: Type “ATT” in Command prompt and then press Enter key. Q96. What is the function of Attribute Definition Command in AutoCAD? Answer: With the help of Attribute Definition command, you can attribute the repeatedly repeating text by making it a block and use it. Q97. What is the shortcut key of Insert Block Command in AutoCAD? Answer: Type “I” in Command prompt and then press Enter key. Q98. What is the shortcut key of Explode Command in AutoCAD? Answer: Type “X” in Command prompt and then press Enter key. Q99. What to do if the attribute dialog box is not opening on the AutoCAD screen?

Answer: If the attribute dialog box is not opening on the AutoCAD screen, then type “Attribute DIA” in Command prompt and add value “1”. Press Enter key. Now, attribute dialog box will open on the AutoCAD screen. Q100. What to do if the “Attribute required” dialog box is not opening on the AutoCAD screen? Answer: If the “Attribute required” dialog box is not opening on the AutoCAD screen, then type “Attribute Required” in Command prompt and add value “1”. Then press Enter key. Consequently, “Attribute required” dialog box will open on the AutoCAD screen. Q101. How to paste the object from first AutoCAD file to other AutoCAD file? Answer: To move an object from one file to another, first select the object and then copy (Ctrl+ C) it. After this, open the second file and paste (Ctrl+ V) the object in it. Q102. How to paste the object from first file to other file at the same coordinate? Answer: The coordinate on which the object is placed in the first file and you want the same object in the second file on the same coordinate, then first of all you have to copy the object from the file. Next, you will open the second file and click on the clipboard option. Now, click on “paste”. By providing the value of the origin coordinate, we will paste the object on the same coordinates in another file. Q103. How to convert object in a block in AutoCAD? Answer: For Converting an AutoCAD object into a block, first of all you have to copy the object from the file. Next, open the second file and click on the clipboard option. Now, click the “paste” option as a block. Thus, the object is converted into a block. Q104. Which command is used to pick up the object from the base point? Answer: Copy Base Command isused to pick up the object from the base point.

Q105. What is the shortcut key of Copy Command in AutoCAD? Answer: Type “CO or (Ctrl + C)” in Command prompt and then press Enter key. Q106. What is the shortcut key of Paste Command in AutoCAD? Answer: Type “Ctrl + V” in Command prompt and then press Enter key. Q107. What is the shortcut key of object Cut Command in AutoCAD? Answer: Type “Ctrl + X” in Command prompt and then press Enter key. Q108. Where the options for copy, cut and paste are given in AutoCAD workspace? Answer: Clipboard option is given in the top bar, in which copy, cut, and paste options are given. Q109. What is the shortcut key of Group Command in AutoCAD? Answer: Type “G” in Command prompt and then press Enter key. Q110. How to Paste Excel table in AutoCAD File? Answer: First of all you have to copy the table from excel. Next, open the AutoCAD file and clicked on the paste special command, Next as soon as you click in the AutoCAD workspace, a dialog box will open, then choose Excel option and click on OK button and click on the AutoCAD workspace where you want to paste the table. Q111. How to convert excel table in hyperlink in AutoCAD? Answer: First of all you have to copy the table from excel. Next open the AutoCAD file and click on the paste special command. As soon as you click in the AutoCAD workspace, a dialog box will open. Now, choose the hyperlink option and everything else will remain the same as the paste special command. In the dialog box, select the hyperlink option. Click OK on the dialog box and wherever you click in the AutoCAD workspace, the hyperlink of the table will be pasted there.

Q112. What is the benefit of Paste Hyperlink Command as compared to the Paste Special Command in AutoCAD? Answer: The advantage of Paste Hyperlink command is that if we change anything in Excel's table, it will automatically change in AutoCAD's Paste Hyperlink table. But this will not happen in the table with Paste Special command. Q113. Which command will be used to add a part to the grouped object? Answer: Group Edit command will be used to add a part to the grouped object. Q114. Which command will be used to remove a part from the grouped object? Answer: Group Edit command will be used to remove a part from the grouped object. Q115. What is the function of Explode Command? Answer: If you have made a block and you do not want any part of it, then you have to use the explode command. Q116. What is the function of Write Block Command? Answer: With the help of the Write block command, you can use the previously created blocks in the drawing. Q117. What is the shortcut key of Write Block Command in AutoCAD? Answer: Type “WBlock” in Command prompt and then press Enter key. Q118. How to save the drawing block in your system from AutoCAD File? Answer: If you have made a drawing and there is any object there, then you can make it a block with the help of W block, add it to the block list and save the blocks in the folder of

your computer. With the help of w block, you can save the block in your system's library and use it in any drawing. Q119. How to defining a Block Command with Attributes Command? Answer: With both these commands, we can set the text once. Now go to the insert command, give it a position. Now, change the value or text in the attribute in the same block. Q120. What is the use of Attribute Command? Answer: The attribute command is used to write text. Q121. What is the shortcut key of Extra Reference Command in AutoCAD? Answer: Type “Xref” in Command prompt and then press Enter key. Q122. What is the function of Extra Reference Command in AutoCAD? Answer: Any type of file can be opened in AutoCAD with the help of the Extra Reference command. Q123. What is the shortcut key of Extra Clip Command in AutoCAD? Answer: Type “XC” in Command prompt and then press Enter key. Q124. What is the Function of Extra Clip Command in AutoCAD? Answer: With the help of this command, you can show the portion of the AutoCAD drawing by selecting the portion which you want to show to the client. Q125. If you want to remove a drawing from the file using the Extra Reference command, how will you do it? Answer: If you want to remove a drawing from the extra reference file, you will have to De-Attach it.

Q126. If you do not want to delete the drawing or image file from the file of the extra reference command, but you do not want to show the image figure in the drawing, what will you do? Answer: Do not delete the drawing or image file from the file using Extra Reference command. But if you do not want to show the image figure in the drawing, then you will unload the loaded image file or drawing. Q127. How to add permanent to a drawing file or image in a AutoCAD drawing with the extra reference command? Answer: To permanently add the drawing of any file to the current one, right click on that drawing in the file using Extra Reference command and select the bind option. Q128. What is the shortcut key of Design Center Command in AutoCAD? Answer: Type “Ctrl+2” in Command prompt and then press Enter key. Q129. What is the shortcut key of Tool Pallet Command in AutoCAD? Answer: Type “Ctrl+3” in Command prompt and then press Enter key. Q130. What is the function of Design Center Command in AutoCAD? Answer: In this you will get the symbols and blocks of all engineering streams which are already made in it. You can use these symbols and blocks in your drawing. Q131. What is the function of Tool Pallet Command in AutoCAD? Answer: In this you will get the symbols and blocks of all engineering streams which are already made in it. You can use these symbols and blocks in your drawing. Q132. Which command should be used to set AutoCAD drawing layout manual? Answer: Option Command are used to set AutoCAD drawing layout manual.

Q133. What is the shortcut key of Option Command in AutoCAD? Answer: Type “OP” in Command prompt and then press Enter key. Q134. Which command would you use to send a drawing file to a client? Answer: Etransmit Command is used to send a drawing file to a client. Q135. Which command has to be used to change the name of a drawing file? Answer Etransmit Command is used to change the name of a drawing file. Q136. With which command we can bring all the drawings of a product in a folder? Answer: With the help of Etransmit Command, we can bring all the drawings of a product in a folder. Q137. What is the shortcut key of Box Command in AutoCAD? Answer: Type “BOX” in Command prompt and then press Enter key. Q138. What is the shortcut key of Cylinder Command in AutoCAD? Answer: Type “CYL” in Command prompt and then press Enter key. Q139. What is the shortcut key of Cone Command in AutoCAD? Answer: Type “CONE” in Command prompt and then press Enter key. Q140. What is the shortcut key of Orbit Command in AutoCAD? Answer: Type “ORBIT” in Command prompt and then press Enter key. Q141. What is the shortcut key of Sphere Command in AutoCAD?

Answer: Type “Sph” in Command prompt and then press Enter key. Q142. What is the shortcut key of Pyramid Command in AutoCAD? Answer: Type “PYR” in Command prompt and then press Enter key. Q143. What is the shortcut key of Wedge Command in AutoCAD? Answer: Type “We” in Command prompt and then press Enter key. Q144. What is the shortcut key of Torus Command in AutoCAD? Answer: Type “Tor” in Command prompt and then press Enter key. Q145. What is the shortcut key of Extrude Command in AutoCAD? Answer: Type “Ext” in Command prompt and then press Enter key. Q146. What is the shortcut key of Join Command in AutoCAD? Answer: Type “J” in Command prompt and then press Enter key. Q147. What is the function of Join Command in AutoCAD? Answer: After selecting the individual line or part of the object, apply the join command and convert the full object into a single object. After applying the Join command, when you select the object from any point, the full object will be selected in one go. Before converting any 2d object into 3d drawing, all the parts of the object must be united. Q148. If we cannot join the object then what will happen? Answer: If we do not join the object, then when the object is extruded, a surface object will be formed, which means it will remain hollow from inside.

Q149. How to convert 2D object into 3D after joining it with join command? Answer: With the help of Extrude command converting 2D object into 3D after joining it with join command. Q150. What is the shortcut key of Revolve Command in AutoCAD? Answer: Type “Rev” in Command prompt and then press Enter key. Q151. How to use Revolve Command in 3D AutoCAD Drawing? Answer: First of all, select the object and join it with the help of join command. Next, to create a hollow solid object, keep the reference axis according to the gap of the hollow part. Mark the reference point and revolve the object 360 degrees or as per requirement or type angle on the command prompt. For a solid object, the reference point has to be kept from the corner point of the object so that it does not become a hollow part, it becomes a 3D solid object. Q152. What is the shortcut key of Sweep Command in AutoCAD? Answer: Type “SW” in Command prompt and then press Enter key. Q153. Which type of command is used for making spring in AutoCAD Drawing? Answer: Helix Command is used for making spring in AutoCAD Drawing. Q154. Which type of command is used for design 3d pipe in AutoCAD Drawing? Answer: Sweep Command. Q155. Which type of command is used for design hollow 3d part in AutoCAD Drawing? Answer: Press pull Command is used for design hollow 3d part in AutoCAD Drawing. Q156. Which type of command is used for design Nut Bolt 3d part in AutoCAD Drawing?

Answer: Press Pull Command. Q157. Which command is used to create any type of wall in AutoCAD drawing? Answer: Poly solid Command. Q158. Which type of commands are used in Boolean Operation in 3d AutoCAD Drawing? Answer: Union Command, Subtract Command and Intersect Command used in Boolean Operation in 3d AutoCAD Drawing. Q159. Which command is used to convert two solid merge objects into one object? Answer: Union Command. Q160. What is the shortcut key of Union Command in AutoCAD? Answer: Type “UN” in Command prompt and then press Enter key. Q161. What is the shortcut key of Subtract Command in AutoCAD? Answer: Type “SUB” in Command prompt and then press Enter key. Q162. What is the function of Subtract Command in AutoCAD Drawing? Answer: First of all, select the object which you want to keep. Press enter and then select the object which you want to subtract and press enter. Q163. What is the function of Union Command in AutoCAD Drawing? Answer: To select two or more solid bodies at one time, we use the Union command. Q164. What is the function of intersect command?