McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 301. |
A hexagon is placed parallel to vertical plane which of the following projection is true? |
| A. | front view-line, top view- hexagon |
| B. | front view- hexagon, top view- line |
| C. | front view –line, top view-line |
| D. | top view- hexagon, side view- line |
| Answer» B. front view- hexagon, top view- line | |
| Explanation: given a hexagon parallel to vertical plane so the plane containing hexagon in perpendicular to horizontal plane and profile plane. the top view and side view gives a line and front view gives the true shape and size of hexagon. | |
| 302. |
A pentagon is placed parallel to horizontal plane which of the following projection is true? |
| A. | front view-line, top view- pentagon |
| B. | front view- pentagon, top view- line |
| C. | front view –line, top view-line |
| D. | top view- line, side view- line |
| Answer» A. front view-line, top view- pentagon | |
| Explanation: given a pentagon parallel to horizontal plane so the plane containing pentagon in perpendicular to vertical plane | |
| 303. |
A rectangle is placed parallel to profile plane which of the following projection is true? |
| A. | front view-line, top view- rectangle |
| B. | front view- rectangle, top view- line |
| C. | front view –line, top view-line |
| D. | top view- rectangle, side view- line |
| Answer» C. front view –line, top view-line | |
| Explanation: given a rectangle parallel to profile plane so the plane containing rectangle in perpendicular to horizontal plane and vertical plane. the top view and front view gives a line and side view gives the true shape and size of hexagon. | |
| 304. |
A circle is placed parallel to vertical plane which of the following projection is false? |
| A. | front view-circle, top view- line |
| B. | length in top view and side view will be same |
| C. | circle is perpendicular to horizontal plane |
| D. | the traces of plane containing this circle intersect at xy reference line |
| Answer» D. the traces of plane containing this circle intersect at xy reference line | |
| Explanation: given a circle parallel to vertical plane so the plane containing circle is perpendicular to horizontal plane and profile plane. the top view and side view gives a line and front view gives the true shape and size of circle. the traces will intersect at line formed by intersection of profile plane and horizontal plane. | |
| 305. |
An ellipse is placed parallel to vertical plane which of the following projection is false? |
| A. | front view-ellipse, top view- line |
| B. | length in top view and side view will be same |
| C. | ellipse is perpendicular to horizontal plane |
| D. | the traces of plane containing this circle will not intersect at xy reference line |
| Answer» B. length in top view and side view will be same | |
| Explanation: given an ellipse parallel to vertical plane so the plane containing ellipse is perpendicular to horizontal plane and profile plane. the top view and side view gives a line and front view gives the true shape and size of hexagon. as the object is ellipse which has major and minor axis the views show different lengths. | |
| 306. |
While drawing projections if a triangle is parallel to horizontal plane, top should be drawn first and projections are drawn to it to get front view. |
| A. | true |
| B. | false |
| Answer» A. true | |
| Explanation: given a triangle parallel to horizontal plane so the front view and side view gives a line and top view gives the true shape and size of triangle so top view should be drawn first with specifications given and then projections to further gives the front view. | |
| 307. |
If a plane is parallel to one of the reference plane then the projection onto the other reference planes would be a line. |
| A. | true |
| B. | false |
| Answer» A. true | |
| Explanation: if a plane is only parallel to vertical plane then it is perpendicular to horizontal plane and profile plane. the top view and side view gives a line and front view gives the true shape and size of plane. | |
| 308. |
An equilateral triangle of side 10 cm is held parallel to horizontal plane and base is parallel to xy reference line. The length of line from side view will be |
| A. | 8.66 cm |
| B. | 10 cm |
| C. | 0 cm |
| D. | 12.47 cm |
| Answer» A. 8.66 cm | |
| Explanation: just by visualizing we can get picture and then as the base is parallel to xy reference plane the side view and front view will be a line and front view gives line of length equal to side of triangle given and side view gives the height of triangle. | |
| 309. |
A square of side 10 cm is held parallel to vertical plane and one diagonal is making 45 degrees with xy reference plane. The length of line in top view will be |
| A. | 10 cm |
| B. | 14.14 cm |
| C. | 7.07 cm |
| D. | 0 cm |
| Answer» A. 10 cm | |
| Explanation: given the square is parallel to vertical plane ad diagonal is making 45 degrees with xy reference plane the top view and side gives a line and both of same length which is equal to length of side of square because in square angle between the diagonal and side is 45 degrees. | |
| 310. |
The top view, front view and side view of a triangle parallel to vertical plane, circle parallel to profile plane and rectangle parallel to horizontal plane respectively are |
| A. | line, circle, line |
| B. | triangle, line, rectangle |
| C. | triangle, line, line |
| D. | line, line, line |
| Answer» D. line, line, line | |
| Explanation: if a plane is parallel to vertical plane then the top view and side view gives a line and front view gives the true shape. if a plane is parallel to horizontal plane then the front view and side view gives a line and top view gives the true shape. if a plane is parallel to profile plane then the top view and front view gives a line and side view gives the true shape. | |
| 311. |
When a plane is perpendicular to one plane and inclined to other reference planes then the projections are obtained in 2 stages. |
| A. | true |
| B. | false |
| Answer» A. true | |
| Explanation: when a plane is inclined to a reference plane, its projections may be obtained in 2 stages. in the initial stage, the plane is assumed to be parallel to that reference plane to which it has to be made inclined. it is then titled to the required inclination in the second stage. | |
| 312. |
A Square is placed perpendicular to vertical plane and inclined to horizontal which of the following is true? |
| A. | front view-line, top view- square |
| B. | front view- line, top view- rectangle |
| C. | front view –line, top view-line |
| D. | top view-line, side view- rectangle |
| Answer» B. front view- line, top view- rectangle | |
| Explanation: when a plane is perpendicular to one of the reference planes and inclined to the other, its inclination is shown by an angle which its projection on the plane to which it is perpendicular, makes with xy. its projection on the plane to which it is inclined, is smaller than the plane itself. | |
| 313. |
A circle is placed perpendicular to vertical plane and inclined to horizontal which of the following is true? |
| A. | front view-line, top view- circle |
| B. | front view- circle, top view- circle |
| C. | front view –line, top view-line |
| D. | top view- ellipse, side view- ellipse |
| Answer» D. top view- ellipse, side view- ellipse | |
| Explanation: when a plane is perpendicular | |
| 314. |
A triangle is placed perpendicular to horizontal plane and inclined to vertical which of the following is true? |
| A. | front view-line, top view- triangle |
| B. | front view- triangle, top view- line |
| C. | front view –line, top view-line |
| D. | top view-line, side view- line |
| Answer» B. front view- triangle, top view- line | |
| Explanation: when a plane is perpendicular to one of the reference planes and inclined to the other, its inclination is shown by an angle which its projection on the plane to which it is perpendicular, makes with xy. its projection on the plane to which it is inclined, is smaller than the plane itself. | |
| 315. |
A triangle is placed perpendicular to horizontal plane and inclined to vertical which of the following is true. H.T is horizontal trace and V.T is vertical trace? |
| A. | h.t- inclined to xy, v.t- inclined to xy |
| B. | h.t- inclined to xy, v.t- perpendicular to xy |
| C. | h.t-inclined to xy, v.t- parallel to xy |
| D. | h.t-parallel to xy, v.t- perpendicular to xy |
| Answer» B. h.t- inclined to xy, v.t- perpendicular to xy | |
| Explanation: when a plane is perpendicular to one of the reference planes and inclined to the other, its inclination is shown by an angle which its projection on the plane to which it is perpendicular, makes with xy. | |
| 316. |
If a square is placed on its base parallel to horizontal plane, and plane containing square is perpendicular to horizontal plane and inclined to vertical plane then the top view gives a line of length equal to side of square. |
| A. | true |
| B. | false |
| Answer» A. true | |
| Explanation: as given conditions are simple there exist no complication and base is parallel to horizontal plane so the views may give line and rectangle but not parallelograms. and line of length equal to side of square. | |
| 317. |
If a plane is perpendicular to vertical and inclined to horizontal plane with 30 degrees then the vertical trace makes degrees with xy reference. |
| A. | 30 degrees |
| B. | 60 degrees |
| C. | 150 degrees |
| D. | 90 degrees |
| Answer» A. 30 degrees | |
| Explanation: when a plane is perpendicular to one of the reference planes and inclined to the other, its inclination is shown by an angle which its projection on the plane to which it is perpendicular, makes with xy. and converse for traces. | |
| 318. |
A plane is perpendicular to vertical plane and vertical trace of a plane is making 55 degrees with the xy plane. Which of the following is false? |
| A. | the plane is inclined 55 degrees with the horizontal plane |
| B. | front view gives a line |
| C. | top view gives true shape of plane |
| D. | horizontal trace is perpendicular to xy plane |
| Answer» C. top view gives true shape of plane | |
| Explanation: when a plane is perpendicular to one of the reference planes and inclined to the other, its inclination is shown by an angle which its projection on the plane to which it is perpendicular, makes with xy. and converse for traces. | |
| 319. |
A rectangle is placed perpendicular to horizontal plane and inclined to profile plane. The traces would meet at |
| A. | xy reference line |
| B. | vertical reference line |
| C. | the line formed by intersection of profile plane and horizontal plane |
| D. | above the line formed by intersection of profile plane and horizontal plane |
| Answer» C. the line formed by intersection of profile plane and horizontal plane | |
| Explanation: given a rectangle is perpendicular to horizontal plane and inclined to profile plane so the traces would meet on | |
| 320. |
A pentagon is placed perpendicular to horizontal plane and inclined to profile plane which of the following is true. |
| A. | front view-line, top view- pentagon |
| B. | front view- pentagon, top view- line |
| C. | front view –line, top view-line |
| D. | top view-line, side view- line |
| Answer» B. front view- pentagon, top view- line | |
| Explanation: when a plane is perpendicular to one of the reference planes and inclined to the other, its inclination is shown by an angle which its projection on the plane to which it is perpendicular, makes with xy. its projection on the plane to which it is inclined is smaller than the plane itself. | |
| 321. |
A hexagon is placed perpendicular to profile plane and inclined to horizontal plane which of the following is true. |
| A. | front view-line, top view- hexagon |
| B. | front view- hexagon, top view- line |
| C. | front view –line, top view-line |
| D. | top view-hexagon, side view- line |
| Answer» D. top view-hexagon, side view- line | |
| Explanation: when a plane is perpendicular to one of the reference planes and inclined to the other, its inclination is shown by an angle which its projection on the plane to which it is perpendicular, makes with xy. its projection on the plane to which it is inclined is smaller than the plane itself. | |
| 322. |
The minimum number of orthographic view required to represent a solid on flat surface is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| Explanation: a solid has 3 dimensions length, breadth and thickness. a single view represents any of the two dimensions of a solid and other represents, other set of two dimensions, so that we can understand whole geometry. | |
| 323. |
Cube iv. 8 |
| A. | 1, i; 2, ii; 3, iii; 4, iv |
| B. | 1, ii; 2, iii; 3, iv; 4, i |
| C. | 1, ii; 2, iv; 3, i; 4, iii |
| D. | 1, iv; 2, iii; 3, ii; 4, i |
| Answer» B. 1, ii; 2, iii; 3, iv; 4, i | |
| Explanation: a polyhedron is defined as a solid bounded by planes called faces. prism is a polyhedron having two equal and similar faces (bases or ends), parallel to each other and joined by other faces which are rectangles. | |
| 324. |
The number of corners that exist in pyramids is 1+ number of sides of base. |
| A. | true |
| B. | false |
| Answer» A. true | |
| Explanation: a pyramid is a polyhedron having a plane figure as a base and a number of triangular faces meeting at a point called vertex or apex. the imaginary line joining the apex with the center of the base is its axis. | |
| 325. |
Hexagonal iv. 8 |
| A. | 1, i; 2, ii; 3, iii; 4, iv |
| B. | 1, iii; 2, ii; 3, iv; 4, i |
| C. | 1, iii; 2, iv; 3, ii; 4, i |
| D. | 1, iv; 2, iii; 3, ii; 4, i |
| Answer» C. 1, iii; 2, iv; 3, ii; 4, i | |
| Explanation: prism is a polyhedron which has two equal faces (bases or ends), parallel to each other and joined by other faces which are rectangles. so there exist 2 x number of sides of base of vertices in prism. | |
| 326. |
Solid of revolution gets same shapes in at least two in three orthographic views. |
| A. | true |
| B. | false |
| Answer» A. true | |
| Explanation: solids of revolutions are formed by revolving particular shaped plane surface about particular axis or about one of sides of plane surface so generally because of this any two orthographic views look similar. | |
| 327. |
If a right angled triangle is made to revolute about one of its perpendicular sides the solid formed is |
| A. | cube |
| B. | triangular prism |
| C. | cone |
| D. | cylinder |
| Answer» C. cone | |
| Explanation: a right circular cone is a solid generated by the revolution of a right angled triangle about one of its perpendicular sides which is fixed. it has one circular base and one vertex. its axis joins the vertex to center of circle (base) to which it is perpendicular. | |
| 328. |
Cube iv. 12 |
| A. | 1, i; 2, ii; 3, iii; 4, iv |
| B. | 1, ii; 2, iii; 3, iv; 4, i |
| C. | 1, ii; 2, iv; 3, i; 4, iii |
| D. | 1, iv; 2, iii; 3, ii; 4, i |
| Answer» B. 1, ii; 2, iii; 3, iv; 4, i | |
| Explanation: a polyhedron is defined as a solid bounded by planes called faces. prism is a polyhedron having two equal and similar faces (bases or ends), parallel to each other and joined by other faces which are rectangles. | |
| 329. |
Hexagonal iv. 4 |
| A. | 1, i; 2, ii; 3, iii; 4, iv |
| B. | 1, iii; 2, ii; 3, iv; 4, i |
| C. | 1, iii; 2, iv; 3, ii; 4, i |
| D. | 1, iv; 2, iii; 3, ii; 4, i |
| Answer» D. 1, iv; 2, iii; 3, ii; 4, i | |
| Explanation: a pyramid is a polyhedron having a plane figure as a base and a number of triangular faces meeting at a point called vertex or apex. so there exists 1+ number of sides of base of vertices in pyramid. in pyramid the number of vertices is equal to number of faces. | |
| 330. |
Hexagonal iv. 10 |
| A. | 1, i; 2, ii; 3, iii; 4, iv |
| B. | 1, iii; 2, ii; 3, iv; 4, i |
| C. | 1, iii; 2, iv; 3, ii; 4, i |
| D. | 1, iv; 2, iii; 3, ii; 4, i |
| Answer» B. 1, iii; 2, ii; 3, iv; 4, i | |
| Explanation: a pyramid is a polyhedron having a plane figure as a base and a number of triangular faces meeting at a point called vertex or apex. the imaginary lie joining the apex with the center of the base is its axis. so there exists 2 x number of sides of base of edges in a pyramid. | |
| 331. |
Straight lines drawn from the apex to the circumference of the base-circle are all equal and are called |
| A. | edges |
| B. | connecting lines |
| C. | projectors |
| D. | generators |
| Answer» D. generators | |
| Explanation: in a cone, the straight lines drawn from the apex to the circumference of the base-circle are all equal and are called generators of the cone. the length of the generator is the slant height of the cone. | |
| 332. |
The solid formed by 12 equal and regular pentagons as faces is called |
| A. | plantonic solid |
| B. | dodacahedron |
| C. | icosahedron |
| D. | pyritohedron |
| Answer» B. dodacahedron | |
| Explanation: plantonic solid is a regular convex polyhedron. dodecahedron is one of the plantonic solid. icosahedron is a solid which has twenty equal sized equilateral triangles as faces. pyritohedron is the irregular dodecahedron. | |
| 333. |
If a solid is positioned that its axis is perpendicular to one of the reference plane. Which of the following is false? |
| A. | axis is parallel to other reference plane |
| B. | base is parallel to reference plane |
| C. | projection on that plane gives true shape of its base |
| D. | base is perpendicular to horizontal plane |
| Answer» D. base is perpendicular to horizontal plane | |
| Explanation: if solid’s axis is perpendicular to h.p the base is parallel to h.p and projection on to the h.p gives the true shape of base and similar to v.p and p.p. but here in question it is not specified that given solid’s axis is perpendicular to v.p. | |
| 334. |
If a solid’s axis is perpendicular to one of the reference planes then the projection of solid on to the same plane gives the true shape and size of its |
| A. | lateral geometry |
| B. | base |
| C. | cross-section |
| D. | surface |
| Answer» B. base | |
| Explanation: as in the planes, if the plane is parallel to one of the reference plane then projection of plane on to the same plane gives the true shape and size of the plane likewise the solid’s base is parallel to reference plane the projection gives the true shape of the base. | |
| 335. |
When the axis of solid is perpendicular to H.P, the view should be drawn first and view then projected from it. |
| A. | front , top |
| B. | top, side |
| C. | side, front |
| D. | top, front |
| Answer» D. top, front | |
| Explanation: when the axis of solid is perpendicular to h.p it is indirectly saying that the base is parallel to the horizontal plane so the projection on to it gives true shape of | |
| 336. |
When the axis of solid is perpendicular to V.P, the view should be drawn first and view then projected from it. |
| A. | front , top |
| B. | top, side |
| C. | side, front |
| D. | top, front |
| Answer» A. front , top | |
| Explanation: when the axis of solid is perpendicular to v.p it is indirectly saying that the base is parallel to the vertical plane so the projection on to it gives true shape of base and then we can project and find the other dimensions. | |
| 337. |
When the axis of solid is parallel to H.P &V.P, then view should be drawn first and and view then projected from it. |
| A. | front , top, side |
| B. | top, side, front |
| C. | side, front, top |
| D. | top, front, side |
| Answer» C. side, front, top | |
| Explanation: when the axis of solid is parallel to h.p, v.p then it is indirectly saying that it is perpendicular to picture plane so base is parallel to the profile plane so the projection on to it gives true shape of base and then we can projections of front and top can be drawn. | |
| 338. |
The front view, side view and top view of a regular square pyramid standing on horizontal plane base on horizontal plane. |
| A. | triangle, triangle and square |
| B. | square, triangle and triangle |
| C. | square, triangle and square |
| D. | triangle, square and triangle |
| Answer» A. triangle, triangle and square | |
| Explanation: given a square pyramid made to stand on horizontal plane on its base, in | |
| 339. |
The front view, side view and top view of a cylinder standing on horizontal plane base on horizontal plane. |
| A. | circle, rectangle and rectangle |
| B. | rectangle, rectangle and circle |
| C. | rectangle, circle and rectangle |
| D. | circle, triangle and triangle |
| Answer» B. rectangle, rectangle and circle | |
| Explanation: given a cylinder made to stand on horizontal plane on its base, in which position the pyramid may place like this the front view and side gives rectangle and top view gives circle as the projection of top view is projection of base. | |
| 340. |
The side view, top view and front view of a regular pentagonal prism placed axis perpendicular to vertical plane. |
| A. | rectangle, rectangle and pentagon |
| B. | pentagon, rectangle and rectangle |
| C. | pentagon, rectangle and pentagon |
| D. | rectangle, pentagon and rectangle |
| Answer» A. rectangle, rectangle and pentagon | |
| Explanation: given a regular pentagonal prism made to place its axis perpendicular to vertical plane so its base is parallel to vertical plane, in which position the pyramid may place like this the top view and side gives rectangle and front view gives square. | |
| 341. |
The side view, top view and front view of a regular cone placed base parallel to profile plane. |
| A. | triangle, triangle and circle |
| B. | circle, triangle and triangle |
| C. | rectangle, triangle and circle |
| D. | triangle, circle and triangle |
| Answer» B. circle, triangle and triangle | |
| Explanation: given a regular cone made to | |
| 342. |
Cone- base parallel to V.P iv. Triangle |
| A. | 1, i; 2, ii; 3, iii; 4, iv |
| B. | 1, iv; 2, iii; 3, ii; 4, i |
| C. | 1, ii; 2, iv; 3, iii; 4, i |
| D. | 1, iii; 2, i; 3, iv; 4, ii |
| Answer» D. 1, iii; 2, i; 3, iv; 4, ii | |
| Explanation: if base of solid is parallel to one of the reference planes then its axis perpendicular to that plane and vice versa. cone is formed by revolving triangle about | |
| 343. |
Sphere iv. Triangle |
| A. | 1, i; 2, ii; 3, iii; 4, iv |
| B. | 1, ii; 2, iii; 3, ii; 4, i |
| C. | 1, ii; 2, iv; 3, iii; 4, i |
| D. | 1, iii; 2, i; 3, iv; 4, ii |
| Answer» C. 1, ii; 2, iv; 3, iii; 4, i | |
| Explanation: if base of solid is parallel to one of the reference planes then its axis perpendicular to that plane and vise versa. | |
| 344. |
A regular cone first placed in such a way its axis is perpendicular to V.P and next this is tilted such that its base is making some acute angle with V.P. The top view for previous and later one will be. |
| A. | triangle, triangle |
| B. | irregular shape of circle and triangle, triangle |
| C. | triangle, irregular shape of circle and triangle |
| D. | circle, triangle |
| Answer» A. triangle, triangle | |
| Explanation: for given positions of solid the solid is just tilted to some angle with v.p and previously given the axis is perpendicular to | |
| 345. |
A regular cone first placed in such a way its axis is perpendicular to V.P and next this is tilted such that its base is making some acute angle with V.P. The front view for previous and later one will be having same shape. |
| A. | true |
| B. | false |
| Answer» B. false | |
| Explanation: for given positions of solid the solid is just tilted to some angle with v.p and previously given the axis is perpendicular to | |
| 346. |
A cylinder first placed in such a way its axis is perpendicular to V.P and next this is tilted such that its axis is making some acute angle with V.P. The front view for previous and later one will be |
| A. | circle, rectangle with circular ends |
| B. | rectangle, rectangle |
| C. | rectangle with circular ends, rectangle |
| D. | circle, rectangle |
| Answer» A. circle, rectangle with circular ends | |
| Explanation: for given positions of solid the solid is made acute angle with v.p and previously given the axis is perpendicular to | |
| 347. |
A cylinder first placed in such a way its axis is perpendicular to V.P and next this is tilted such that its axis is making some acute angle with V.P. The top view for previous and later one will be |
| A. | circle, rectangle with circular ends |
| B. | rectangle, rectangle |
| C. | rectangle with circular ends, rectangle |
| D. | circle, rectangle |
| Answer» B. rectangle, rectangle | |
| Explanation: for given positions of solid the solid is made acute angle with v.p and previously given the axis is perpendicular to | |
| 348. |
A triangular pyramid is placed such that its axis is perpendicular to V.P and one of its base’s edges is parallel to H.P the front view and top view will be |
| A. | triangle of base, triangle due to slanting side |
| B. | triangle due to slanting side, triangle of base |
| C. | triangle of base, rhombus |
| D. | rhombus, triangle of base |
| Answer» A. triangle of base, triangle due to slanting side | |
| Explanation: given a triangular pyramid which means the projection to its base gives triangle shape and other orthographic views give triangle. here given is pyramid whose axis is perpendicular to v.p so its front view will be triangle of its base and top view will be another different triangle. | |
| 349. |
A square pyramid is placed such that its axis is inclined to V.P and one of its base’s edges is parallel to H.P the front view and top view will be |
| A. | square, isosceles triangle |
| B. | irregular pentagon, square |
| C. | irregular pentagon, isosceles triangle |
| D. | pentagon, equilateral triangle |
| Answer» C. irregular pentagon, isosceles triangle | |
| Explanation: given a square pyramid which means the projection to its base gives square shape and other orthographic views give triangle. here given is pyramid whose axis is inclined to v.p so its front view will be irregular pentagon and top view will be isosceles triangle. | |
| 350. |
A tetrahedron is made to place on V.P that is with its axis perpendicular to it and one of the edges of base parallel to H.P and then the tetrahedron is made to rotate w.r.t to V.P up to an acute angle. The top view of previous and later one is |
| A. | isosceles triangle, isosceles triangle |
| B. | equilateral triangle, isosceles triangle |
| C. | equilateral triangle, square |
| D. | square, irregular polygon of 4 sides |
| Answer» A. isosceles triangle, isosceles triangle | |
| Explanation: as normal a tetrahedron gives equilateral triangle for a project to its base and isosceles triangle for other view when placed without inclination but here inclination is given but given view is top view so the shape will not change but rotate to given angle. | |
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