Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:In a CAD package, mirror image of a 2D point P(5, 10) is to be obtained about a line which passes through the origin and makes an angle of 45° counterclockwise with the X-axis coordinates of the transformed point will be
[2013]
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:The geometric transformation specified byIn a 2D CAD system represents
[2007]
Explanation
Transformation matrix has components of both rotation and translation.
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:In a CAD package, a point P(6,3,2) is projected along a vector V r (-2,1,-1). The projection ofthis point on X-Y plane will be
[2007]
Explanation
Let X (x, y, o) be the projection of point p (6, 3, 2) The unit vector of line joining point P and X should be same as Vˆ
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:Complete the manual part program for drilling a hole located at point (20, 20) from the target point. The depth of the hole to be drilled is 15 mm FROM/TARG
GOTO/20, 20, 0
[2006]
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:Given that the notations of robot joints are Llinear, O-orthogonal, R-rotation, T-twisting, and V- revolving, the anatomy of a polar configuration robot is described by the alphabetical string
[2004]
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:The component development and manufacturing activities when assisted by a computer area: computer aided graphics (CAG), CAD, CAM, CAPP and computer aided quality control (CAQC).The most appropriate sequence of these activities is
[1992]
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:The transformation matrix for mirroring a point in x-y plane about the line y = x is given by
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:A point P(1, 3, -5) is translated by and then rotated counter clockwise by 90° about the z-axis. The new position of the point is:
[2016]
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:For the situation shown in the figure below the expression for H in terms of r, R and D is
Explanation
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:The figure below represents a triangle PQR with initial coordinates of the vertices as P(1, 3), Q(4, 5) and ft(5.3.5). The triangle is rotated in X-Y plane about the vertex P by angle q in clockwise direction. If sinq = 0.6 and cosq = 0.8, the new coordinates of the vertex Q are
[2016]
Explanation
If the D PQR rotator by q Clockwise then abscissa value of Q must increase whereas ordinate value of Q must decreases and only satisfying option is (4.6, 2.8) i.e. A.
*7
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself: A triangular face in a CAD model has vertices: P1(0, 0, 0); P2(1, 1, 0) and P3(1,1, 1).The area of the facet is
[2015]
Explanation
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:A robot arm PQ with end coordinates P(0,0) and Q(2,5) rotates counter clockwise about P in the XY plane by 90°. The new coordinate pair of the end point Q is
[2014]
Explanation
For the new coordinate pair
Where (x,y) is coordinate at point θ by putting θ = 90º
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:For generating a Coon's surface we require
[2008]
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself: In a 2–D CAD package, clockwise circular arc of radius 5, specified from P1 (15, 10) to P2 (10, 15) will have its center at
[2004]
Explanation
Given: P1(15, 10)
P2(10, 15)
Clear from figure, Centre of arc having radius = 5 is (15, 15)
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Question for GATE Past Year Questions: CIMS (CAD & CAM)
Try yourself:In computer aided drafting practice, an arc is defined by
FAQs on GATE Past Year Questions: CIMS (CAD & CAM) - Manufacturing Engineering - Mechanical Engineering
1. What is CAD and CAM in mechanical engineering?
CAD stands for Computer-Aided Design, which is the use of computer software to design and create virtual models of products. CAM stands for Computer-Aided Manufacturing, which involves using computer software to control and automate the manufacturing process. In mechanical engineering, CAD and CAM are crucial tools for designing and producing mechanical components and systems.
2. How does CAD benefit mechanical engineers?
CAD offers numerous benefits to mechanical engineers. It allows them to create accurate and detailed 3D models of products, which helps in visualizing and evaluating designs before manufacturing. CAD also enables easy modification and iteration of designs, saving time and effort. Additionally, CAD software provides tools for simulating and analyzing the performance of mechanical systems, aiding in the optimization of designs.
3. What are the advantages of using CAM in mechanical engineering?
CAM offers several advantages to mechanical engineers. It enables the automation of manufacturing processes, leading to increased efficiency and productivity. CAM software can generate toolpaths and control machines, such as CNC (Computer Numerical Control) machines, to produce complex parts with high precision. It also helps in reducing errors, optimizing material usage, and improving overall manufacturing quality.
4. Which industries utilize CAD and CAM extensively?
CAD and CAM are extensively utilized in various industries, including automotive, aerospace, consumer goods, and industrial machinery. In the automotive industry, CAD is used for designing vehicles and their components, while CAM is employed in manufacturing processes like machining, welding, and assembly. Similarly, in aerospace, CAD is crucial for designing aircraft and spacecraft, and CAM is used for precision manufacturing of engine parts and structural components.
5. What skills are important for a mechanical engineer working with CAD and CAM?
To work effectively with CAD and CAM, a mechanical engineer should have a strong understanding of engineering principles and technical drawing. Proficiency in CAD software, such as AutoCAD, SolidWorks, or CATIA, is essential for creating detailed designs. Familiarity with CAM software, like Mastercam or Siemens NX, is necessary for generating toolpaths and controlling manufacturing processes. Additionally, knowledge of manufacturing processes and materials is vital for optimizing designs and ensuring successful production.