McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Electronics and Communication Engineering .
| 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 | |
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