# Isometric Projections MCQs In Engineering Drawing With Answers

## Isometric Projections MCQs In Engineering Drawing With Answers for all competitive exams, placements and all university exams.

1    If a client of yours is having difficulty visualizing a design, what type of drawing would be the easiest to understand?
A) axonometric

B) three-view orthographic

C) one-view orthographic

D) bimetric

Ans - A

2    Which of the following is not a pictorial drawing?
A) isometric    B) multi view

C) perspective    D) axonometric

Ans - B

3    Which of the following projection methods does not use projectors perpendicular to the projection plane?
A) isometric    B) orthographic

C) oblique    D) axonometric

Ans - C

4    A circle will appear on an isometric drawing as a(n)     .
A) ellipse    B) cycloid    C) circle    D) parabola

Ans - A

5    An axonometric drawing which has two axes divided by equal angles is:
A) diametric    B) trimetric

C) orthographic    D) isometric

Ans - A

6    An axonometric drawing which has all three axes divided by equal angles is:
A) diametric    B) trimetric

C) orthographic    D) isometric

Ans - D

7    In a trimetric drawing, the relationship of the angle between axes to each other is:
A) three are equal    B) two are equal

C) three are unequal    D) none of the above

Ans - D

8    In an isometric sketch of a cube:
A) the frontal face appears in its true shape

B) the receding axes are at 45 degrees to the horizontal

C) all faces are equally distorted

D) only the depth distances must be reduced

Ans - C

9    In isometric drawings:
A) Two axes are perpendicular

B) True measurements can be made only along or parallel to the isometric axes

C) All faces are unequally distorted

D) None of the above

Ans - B

10    In an axonometric drawing, the projection rays are drawn     to each other and to the plane of projection.
A) parallel , oblique

B) oblique , parallel

C) Parallel, perpendicular

D) parallel , parallel

Ans -C

11    One method of drawing an ellipse that represents an isometric pictorial circle is known as:
A) the box construction method

B) the coordinate construction method

C) the four-center approximation method

D) the offset construction method

Ans - A

12    Non-isometric lines are located and sketched how?
A) They are drawn parallel to the isometric axis.

B) They are measured using the angle from the multi view.

C) They are measured using a non-isometric template.

D) They are located by determining the endpoints of the non-isometric line.

Ans - D

13    In an oblique sketch of a cube:
A) the frontal face appears in its true shape

B) both receding axes are at 30 degrees to the horizontal

C) all faces are equally distorted

D) the depth distances must be reduced

Ans - A

14    In an oblique drawing, all of the following angles are commonly used for drawing the depth axis, except:
A) 30°    B) 45°    C) 60°    D) 90°

Ans - D

15    In an oblique drawing, the projection rays are drawn     to each other and       to the plane of projection.
A) oblique.    oblique

B) oblique.    parallel

C) parallel.    oblique

D) parallel.    parallel

Ans - C

16    A circle will appear on an isometric drawing as a(n)     .
A) ellipse    B) cycloid    C) circle    D) parabola

Ans - A

17    In isometric projection the three edges of an object are inclined to each other at
A) 60    B) 120    C) 30    D) 90

Ans - B

18    A square lamina in isometric projection appears as
A) Rhombus    B) Rectangle    C) Trapezium    D) Parallelogram

Ans - D

19    In an isometric drawing, lines that are not parallel to the isometric axes are called
A) dimetric lines    B) trimetric lines    C) non-isometric lines    D) multi view lines

Ans - C

20    The projection showing the front in the true shape and size is
A) isometric    B) perspective    C) oblique    D) axonometric

Ans - C

21    Inclined planes in a three-view drawing will appear as
A) two surfaces and one edge

B) one surface and two edges

C) three edges

D) foreshortened in each view

Ans - D

22    This type of projection is when projectors are parallel to each other, but are at an angle other than 90 degrees to the plane of projection:
A) perspective    B) oblique    C) aesthetic    D) angular

Ans - D

23.    While drawing the isometric view of the sphere, its diameter is taken as
(a) Equal to actual diameter

(b) 11/9 times of the actual diameter

(c) 21/9 times of the actual diameter

(d) none of the above

Ans - A