McqMate
| 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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