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201. |
_________ is repositioning of an object along a circular path. |
A. | rotation |
B. | reflection |
C. | translation |
D. | scaling |
Answer» A. rotation |
202. |
To perform Rotation we require __________ and _____________. |
A. | translation distance |
B. | scaling factor |
C. | pivot point. rotation angle |
D. | all of above |
Answer» C. pivot point. rotation angle |
203. |
__________ rotation denotes positive value of rotation angle. |
A. | clockwise |
B. | counterclockwise |
C. | composite |
D. | none of above |
Answer» B. counterclockwise |
204. |
__________ values of rotation angle represents clockwise rotation. |
A. | 0 |
B. | 180 |
C. | negative |
D. | positive |
Answer» C. negative |
205. |
________ is point about which rotation takes place. |
A. | pixel |
B. | origin |
C. | pivot point |
D. | all of above |
Answer» C. pivot point |
206. |
. ___________ is an angle through which rotation takes place. |
A. | rotation angle |
B. | reflection angle |
C. | composite angle |
D. | none of above |
Answer» A. rotation angle |
207. |
Rotation about origin is ________ in nature. |
A. | reflexive |
B. | transtive |
C. | commutative |
D. | none of above |
Answer» C. commutative |
208. |
Rotation other than origin is called as rotation about ___________. |
A. | pivot point |
B. | x axis |
C. | y axis |
D. | all of above |
Answer» A. pivot point |
209. |
__________ steps are required to perform rotation about arbitary point. |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 |
210. |
__________ is transformation carried out one after another |
A. | reflection |
B. | shear |
C. | composite |
D. | none of above |
Answer» C. composite |
211. |
_______ transformation changes size of an object. |
A. | translation |
B. | reflection |
C. | rotation |
D. | scaling |
Answer» D. scaling |
212. |
Scaling factor_____ scales object in X direction. |
A. | 0 |
B. | sx |
C. | sy |
D. | all of above |
Answer» B. sx |
213. |
Scaling factor_____ scales object in Y direction. |
A. | sy |
B. | tx |
C. | ty |
D. | sx |
Answer» A. sy |
214. |
Values less than of scaling factor _________ size of object. |
A. | enlarge |
B. | elongate |
C. | expand |
D. | reduce |
Answer» D. reduce |
215. |
Values greater than one ______ object. |
A. | enlarge |
B. | elongate |
C. | expand |
D. | reduce |
Answer» A. enlarge |
216. |
In ________ scaling values of sx and sy are same. |
A. | differential |
B. | uniform |
C. | normal |
D. | none of above |
Answer» B. uniform |
217. |
In differential scaling values of sx and sy are ________. |
A. | same |
B. | different |
C. | any |
D. | all of above |
Answer» B. different |
218. |
For scaling factors we can use _____________ values. |
A. | positive |
B. | negative |
C. | float |
D. | any |
Answer» D. any |
219. |
Scaling is __________ in nature. |
A. | commutative |
B. | sequential |
C. | transitive |
D. | all of these |
Answer» A. commutative |
220. |
Two successive rotations are ______ in nature. |
A. | commutative |
B. | additive |
C. | flexible |
D. | all of above |
Answer» A. commutative |
221. |
_________Coordinate system allows us to express all transformation as matrix multiplication |
A. | homogeneous |
B. | polar |
C. | cartesian |
D. | all of above |
Answer» A. homogeneous |
222. |
The Homogeneous Coordinate is represented by _____________. |
A. | pair |
B. | triplet |
C. | quad |
D. | all of these |
Answer» B. triplet |
223. |
The Homogeneous Coordinate of point (X,Y) is represented by _____________. |
A. | (x,y) |
B. | (xw,yw) |
C. | (xw,yw,w) |
D. | (x,y,z) |
Answer» C. (xw,yw,w) |
224. |
Homogeneous coordinate allows you to ___________. |
A. | combine transformation |
B. | eliminate need of intermediate calculations |
C. | saves time and memory |
D. | all of these |
Answer» D. all of these |
225. |
Reflection transformation produce ______ image of an object. |
A. | mirror |
B. | inverse |
C. | sharp |
D. | noisy |
Answer» A. mirror |
226. |
Shear___________ shape of an object |
A. | slants |
B. | reduces |
C. | enlarges |
D. | changes |
Answer» A. slants |
227. |
There are_____ types of shear transformation |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» B. 2 |
228. |
________ preserves Y coordinate. |
A. | z-shear |
B. | y-shear |
C. | x-shar |
D. | all of these |
Answer» C. x-shar |
229. |
Y-shear Preserves ________ coordinate. |
A. | x |
B. | y |
C. | z |
D. | none of these |
Answer» A. x |
230. |
In X-shear _________ line tilts to right or left. |
A. | horizontal |
B. | parallel |
C. | vertical |
D. | arbitary |
Answer» C. vertical |
231. |
In Y shear for horizontal line __________ changes. |
A. | length |
B. | thickness |
C. | intensity |
D. | slope |
Answer» D. slope |
232. |
Shear Transformation may be expresses in terms of ___________ and _____________. |
A. | translation , rotation |
B. | rotation, scaling |
C. | reflection, translation |
D. | none of these |
Answer» B. rotation, scaling |
233. |
In 3D geometry we Require _________ axis |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 |
234. |
Z axis corresponds to _________. |
A. | length |
B. | height |
C. | depth |
D. | slope |
Answer» C. depth |
235. |
In parallel Projection __________ Coordinate is discarded |
A. | z |
B. | y |
C. | x |
D. | all of above |
Answer» A. z |
236. |
Parallel projections ________ relative proportions of object |
A. | does not preserve |
B. | preerves |
C. | increases |
D. | decreases |
Answer» B. preerves |
237. |
Parallel projections does not produce _________ views. |
A. | elastic |
B. | same |
C. | realistic |
D. | none of above |
Answer» C. realistic |
238. |
In perspective projections lines of projections are ______________. |
A. | parallel |
B. | tangent |
C. | normal |
D. | not parallel |
Answer» D. not parallel |
239. |
Perspective projections produce _________ views |
A. | elastic |
B. | realistic |
C. | same |
D. | shift vector |
Answer» B. realistic |
240. |
In perspective projections all projections are converge at a single point called as _____________________. |
A. | origin |
B. | center |
C. | mean |
D. | center of projections |
Answer» D. center of projections |
241. |
In Depth Cuing parts of objects closest to viewing position are displayed with _________ intensities. |
A. | heighest |
B. | heigher |
C. | lower |
D. | lowest |
Answer» A. heighest |
242. |
In projections non visible lines are represented as __________lines |
A. | dotted |
B. | thick |
C. | dash |
D. | center |
Answer» C. dash |
243. |
stereoscopic devices present ________ views of scene |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» A. 2 |
244. |
There are ________ Types of parallel projections |
A. | 5 |
B. | 3 |
C. | 2 |
D. | 6 |
Answer» C. 2 |
245. |
_____________ is a type of Parallel projection |
A. | orthographic |
B. | perspective |
C. | one-point |
D. | two-point |
Answer» A. orthographic |
246. |
Oblique is a type of ________ projections |
A. | one-point |
B. | two-point |
C. | parallel |
D. | perspective |
Answer» C. parallel |
247. |
In orthographic projections projection plane is _________ to a principle axis |
A. | perpendicular |
B. | parallel |
C. | not related |
D. | none of above |
Answer» A. perpendicular |
248. |
The oblique projections are classified as ___________ and _____________. |
A. | parallel, perspective |
B. | orthographic, isometric |
C. | cavalier ,cabinet |
D. | none of these |
Answer» C. cavalier ,cabinet |
249. |
3D clipping uses _________ region code. |
A. | 2-bit |
B. | 6-bit |
C. | 4-bit |
D. | 1-bit |
Answer» B. 6-bit |
250. |
In 3D clipping bit s of region code has value _________ if end point is in front of volume |
A. | 0 |
B. | 1 |
C. | -1 |
D. | 10 |
Answer» B. 1 |
251. |
In 3D clipping bit 6 of region code has value _________ if end point is in behind of volume |
A. | 1 |
B. | 0 |
C. | -1 |
D. | 0.5 |
Answer» A. 1 |
252. |
Concept of window in 2D can be extended to ________________ a in 3D Clipping. |
A. | mirror |
B. | surface |
C. | projection |
D. | view volume |
Answer» D. view volume |
253. |
Values less than of scaling factor _________ size of object |
A. | enlarge |
B. | elongate |
C. | expand |
D. | reduce |
Answer» D. reduce |
254. |
In 3D clipping we perform logical ______ operation.
|
A. | nor |
B. | xor |
C. | or |
D. | and |
Answer» D. and |
255. |
Basic geometric transformation include _________. |
A. | translation |
B. | rotation |
C. | scaling |
D. | all of these |
Answer» D. all of these |
256. |
Some additional transformation are __________ |
A. | shear |
B. | reflection |
C. | both a & b |
D. | none of these |
Answer» C. both a & b |
257. |
The transformation in which an object is moved in a minimum distance path from one position to another is called |
A. | translation |
B. | scaling |
C. | rotation |
D. | reflection |
Answer» C. rotation |
258. |
The transformation in which an object is moved from one position to another in circular path around a specified pivot point is called _____________ |
A. | translation |
B. | scaling |
C. | rotation |
D. | reflection |
Answer» C. rotation |
259. |
The transformation in which the dimension of an object are changed relative to a specified fixed point is called |
A. | translation |
B. | scaling |
C. | rotation |
D. | reflection |
Answer» B. scaling |
260. |
The selection and separation of a part of text or image for further operation are called ___________. |
A. | translation |
B. | shear |
C. | reflection |
D. | clipping |
Answer» D. clipping |
261. |
The complex graphics operations are _____________ |
A. | selection |
B. | separation |
C. | clipping |
D. | none of these |
Answer» C. clipping |
262. |
The transformation that produces a parallel mirror image of an object are called __________. |
A. | reflection |
B. | shear |
C. | rotation |
D. | scaling |
Answer» A. reflection |
263. |
The transformation that disturbs the shape of an object are called __________ |
A. | reflection |
B. | shear |
C. | rotation |
D. | scaling |
Answer» B. shear |
264. |
The process of mapping a world window in world coordinate system to viewport are called __________ |
A. | transformation viewing |
B. | view port |
C. | clipping window |
D. | screen coordinate system |
Answer» A. transformation viewing |
265. |
In which transformation the shape of an object can be modified in x-direction ,y-direction as well as in both the direction depending upon the value assigned to shearing variables ___________ |
A. | reflection |
B. | shearing |
C. | rotation |
D. | scaling |
Answer» B. shearing |
266. |
The process of extracting a portion of a database or a picture inside or outside a specified region are called |
A. | translation |
B. | shear |
C. | reflection |
D. | clipping |
Answer» D. clipping |
267. |
The rectangle portion of the interface window that defines where the image will actually appear are called |
A. | transformation viewing |
B. | view port |
C. | clipping window |
D. | screen coordinate system |
Answer» B. view port |
268. |
The space in which the image is displayed are called __________________ |
A. | screen coordinate system |
B. | clipping window |
C. | world coordinate system |
D. | none of these |
Answer» A. screen coordinate system |
269. |
The rectangle space in which the world definition of region is displayed are called ________________ |
A. | screen coordinate system |
B. | clipping window or world window |
C. | world coordinate system |
D. | none of these |
Answer» B. clipping window or world window |
270. |
The object space in which the application model is defined _____________ |
A. | screen coordinate system |
B. | clipping window or world window |
C. | world coordinate system |
D. | none of these |
Answer» C. world coordinate system |
271. |
The process of cutting off the line which are outside the window are called _____________ |
A. | shear |
B. | reflection |
C. | clipping |
D. | clipping window |
Answer» C. clipping |
272. |
Some common form of clipping include ___________ |
A. | curve clipping |
B. | point clipping |
C. | polygon clipping |
D. | all of these |
Answer» D. all of these |
273. |
Each successive transformation matrix _________ the product of the preceding transformation |
A. | pre-multiples |
B. | post-multiples |
C. | both a & b |
D. | none of these |
Answer» A. pre-multiples |
274. |
Forming products of transformation matrices is often referred as __________. |
A. | composition of matrix |
B. | concatenation of matrix |
C. | both a & b are same |
D. | none of these |
Answer» C. both a & b are same |
275. |
The alteration of the original shape of an object, image, sound, waveform or other form
|
A. | reflection |
B. | distortion |
C. | rotation |
D. | none of these |
Answer» B. distortion |
276. |
Two consecutive translation transformation t1 and t2 are _____________ |
A. | additive |
B. | subtractive |
C. | multiplicative |
D. | none of these |
Answer» A. additive |
277. |
Two consecutive rotation transformation R1 and R2 are _______________ |
A. | additive |
B. | subtractive |
C. | multiplicative |
D. | none of these |
Answer» A. additive |
278. |
Two consecutive scaling transformation S1 andSt2 are _______________ |
A. | additive |
B. | subtractive |
C. | multiplicative |
D. | none of these |
Answer» C. multiplicative |
279. |
The most basic transformation that are applied in three-dimensional planes are _____________ |
A. | translation |
B. | scaling |
C. | rotation |
D. | all of these |
Answer» D. all of these |
280. |
The transformation in which an object can be shifted to any coordinate position
|
A. | translation |
B. | scaling |
C. | rotation |
D. | all of these |
Answer» C. rotation |
281. |
The transformation in which an object can be rotated about origin as well as
|
A. | translation |
B. | scaling |
C. | rotation |
D. | all of these |
Answer» C. rotation |
282. |
The transformation in which the size of an object can be modified in x-direction ,y-direction and z-direction _____________ |
A. | translation |
B. | scaling |
C. | rotation |
D. | all of these |
Answer» B. scaling |
283. |
Apart from the basic transformation ,________are also used |
A. | shearing |
B. | reflection |
C. | both a & b |
D. | none of these |
Answer» C. both a & b |
284. |
In which transformation ,the shape of an object can be modified in any of direction depending upon the value assigned to them ______________ |
A. | reflection |
B. | shearing |
C. | scaling |
D. | none of these |
Answer» B. shearing |
285. |
In which transformation ,the mirror image of an object can be seen with respect to x-axis, y-axis ,z-axis as well as with respect to an arbitrary line ______________. |
A. | reflection |
B. | shearing |
C. | translation |
D. | none of these |
Answer» A. reflection |
286. |
How many types of projection are ______. |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» B. 2 |
287. |
The types of projection are _______________. |
A. | parallel projection and perspective projection |
B. | perpendicular and perspective projection |
C. | parallel projection and perpendicular projection |
D. | none of these |
Answer» A. parallel projection and perspective projection |
288. |
How many types of parallel projection are ______________. |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» B. 2 |
289. |
The types of parallel projection are _______________. |
A. | orthographic projection and quadric projection |
B. | orthographic projection and oblique projection |
C. | oblique projection and quadric projection |
D. | none of these |
Answer» B. orthographic projection and oblique projection |
290. |
By __________ more complex objects can be constructed. |
A. | quadric surfaces |
B. | wire frame model |
C. | composite transformation |
D. | none of these |
Answer» B. wire frame model |
291. |
_______refers to the common elements of graphics scenes ,often used in graphics |
A. | quadric surfaces |
B. | wire frame model |
C. | composite transformation |
D. | none of these |
Answer» A. quadric surfaces |
292. |
________refers to the result obtained by multiplying the matrix of the individual
|
A. | wire frame model |
B. | constructive solid geometry methods |
C. | composite transformation |
D. | none of these |
Answer» C. composite transformation |
293. |
The projection in which the projection plane is allowed to intersect the
|
A. | wire frame model |
B. | constructive solid geometry methods |
C. | isometric projection |
D. | back face removal |
Answer» C. isometric projection |
294. |
In which projection , the plane normal to the projection has equal angles
|
A. | wire frame model |
B. | constructive solid geometry methods |
C. | isometric projection |
D. | back face removal |
Answer» C. isometric projection |
295. |
By which ,we can take a view of an object from different directions and
|
A. | projection |
B. | rotation |
C. | translation |
D. | scaling |
Answer» A. projection |
296. |
Parallel projection shows the ______________. |
A. | true image of an object |
B. | true size of an object |
C. | true shape of an object |
D. | all of these |
Answer» D. all of these |
297. |
Projection rays(projectors) emanate from a _______________. |
A. | cop(centre of projection ) |
B. | intersect projection plane |
C. | both a and b |
D. | none of these |
Answer» C. both a and b |
298. |
The centre of projection for parallel projectors is at _____________. |
A. | zero |
B. | infinity |
C. | one |
D. | none of these |
Answer» B. infinity |
299. |
In orthographic projection, engineering use ___________. |
A. | top view of an object |
B. | front view of an object |
C. | side view of an object |
D. | all of these |
Answer» D. all of these |
300. |
The orthographic projection that show more than one side of an object
|
A. | axonometric projection |
B. | isometric projection |
C. | both a & b |
D. | none of these |
Answer» C. both a & b |
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