Question:

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

Question:

A triangular pyramid is placed such that its axis is perpendicular to H.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» b. triangle due to slanting side, triangle of base

Question:

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

Question:

The top views of 1st, 2nd and final stages of a pentagonal pyramid, has one of its triangular faces in the V.P and edge of the base contained by that face makes an angle of 30 degrees with the H.P while drawing orthographic projections are                            

A.

pentagon, irregular pentagon, irregular pentagon

B.

triangle, irregular pentagon, irregular pentagon

C.

triangle, triangle, irregular pentagon

D.

pentagon, triangle, irregular pentagon

Answer» c. triangle, triangle, irregular pentagon

Question:

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

Question:

When two spheres of same radius are placed on H.P both are touching each other and the line joining the centers is perpendicular to V.P. The top view will be

A.

single circle

B.

two circles

C.

concentric circles

D.

intersecting circles

Answer» b. two circles

Question:

Three spheres of same radius are placed on H.P such that the line joining centers is parallel to H.P and each one touching other two. The top view will be                              

A.

three circles

B.

two circles

C.

concentric circles

D.

intersecting circles

Answer» a. three circles

Question:

When two spheres of same radius are placed on H.P both are touching each other and the line joining the centers is making 45 degrees to V.P. The front view will be

A.

single circle

B.

two circles

C.

concentric circles

D.

intersecting circles

Answer» d. intersecting circles

Question:

To understand some of the hidden geometry of components an imaginary plane is used to cut the object which is called

A.

auxiliary plane

B.

picture plane

C.

section plane

D.

additional plane

Answer» c. section plane

Question:

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