Engineering Questions with Answers - Multiple Choice Questions
Home » MCQs » Aeronautical Engineering » Machine Drawing MCQ – Object Selection
Machine Drawing MCQ – Object Selection
Before you use modify commands, you need to make a selection of _________
a) only one object
b) one or more objects
c) minimum two objects
d) maximum two objects
View Answer
Answer: b
Explanation: To edit an object, designer needs to select the object to be edited. To edit or to modify the design minimum one object is to be selected. AutoCAD has a whole range of tools to select the specific needed object only.
Which items are selected in a fence selection option?
a) Around the fence
b) Lower the fence
c) Above the fence
d) Crosses the fence
View Answer
Answer: d
Explanation: The fence option allows a designer to draw a polyline. All objects which cross the fence will be selected. This option is invoked by typing F at the “Select objects” prompt.
The most obvious way to select an object in AutoCAD is _________
a) to simply pick it
b) give the selection command
c) right click on the object
d) move the cursor over it
View Answer
Answer: a
Explanation: Most obvious way to select the object is to simply pick it. Generally, designers just have to place the cursor over the object, click the mouse button and the object will get selected. It is much simple and not different from any other graphic utility.
To select an object designer has to place the pickbox over a part of the object and left click the mouse. When the object has been picked ___________
a) it is highlighted in a black colour
b) it is highlighted in a thick line
c) it becomes darker
d) it is highlighted in a dashed line
View Answer
Answer: d
Explanation: To select an object designer has to place the pickbox over a part of the object and left click the mouse. Picked object is highlighted in a dashed line. It shows that it is a part of the current selection and the command line reports, 1 found.
For object selection once the window is defined, objects which are ____________ will be selected.
a) around the window
b) lie entirely within the window
c) touching the window
d) only partially enclosed
View Answer
Answer: b
Explanation: Window allows the designer to define a rectangle using two points exactly the same way as the rectangle command. Once the window is defined, all objects which lie completely within the window will be selected. Objects which are only touching or partially enclosed will not be selected.
If the window is created from left to right, the items partially enclosed in the window will not be selected.
a) True
b) False
View Answer
Answer: a
Explanation: If the window is created from left to right, only the items fully enclosed in the window will get selected. If the window is created from right to left, even the items partially enclosed in the window will get selected. That type of window is called a crossing window.
AWhich type of command works only with a crossing window?
a) Stretch
b) Erase
c) Copy
d) Mirror
View Answer
Answer: a
Explanation: Commands like Stretch work with a crossing window only. It is done by specifying the right corner first and then the left diagonal corner. Stretch command is used to stretch or shrink a portion of drawing in a single specific direction only.