Technical Drawing

Question 1

1Each interior angle of a regular pentagon is

Easy

A. 72° B. 90° C. 120° D. 108°

Question 2

2A scale of 1:100 on a building plan means 1 cm represents

Easy

A. 10 cm B. 1 m C. 10 m D. 100 m

Question 3

3The true length of a line inclined to both planes is found by

Medium

A. measuring the elevation only B. measuring the plan only C. rotation or an auxiliary view D. guessing

Question 4

4A cylinder cut by a plane inclined to its axis produces a section shaped as

Hard

A. a triangle B. an ellipse C. a rectangle D. a circle

Question 5

5An ellipse has two

Easy

A. radii of equal length always B. foci C. centres D. tangents only

Question 6

6A regular hexagon can be constructed with a compass by stepping off the radius around a circle

Easy

A. 4 times B. 6 times C. 8 times D. 5 times

Question 7

7Which pencil grade is hardest?

Easy

A. 2H B. 2B C. B D. HB

Question 8

8Which set square angles are standard?

Easy

A. 30°/60° and 45° B. 20°/70° and 50° C. 35°/55° and 40° D. 15°/75° only

Question 9

9An ellipse has

Hard

A. no axes B. two foci C. one focus D. three foci

Question 10

10A scale of 1:2 drawing makes the object

Medium

A. its actual size B. twice its actual size C. a quarter size D. half its actual size

Question 11

11The true shape of a section of a cone cut parallel to its slant side is a

Hard

A. circle B. ellipse C. hyperbola D. parabola

Question 12

12In third-angle projection, the plan is placed

Easy

A. anywhere B. to the left C. above the front elevation D. below the front elevation

Question 13

13The circumference of a circle of diameter 70 mm is about (π = 22/7)

Hard

A. 110 mm B. 220 mm C. 440 mm D. 154 mm

Question 14

14A 45° set square and a 30°/60° set square together can draw an angle of

Easy

A. 20° B. 25° C. 15° D. 50°

Question 15

15In isometric projection, all three axes are inclined at

Easy

A. 120° to each other B. 90° to each other C. 60° to each other D. 45° to each other

Question 16

16Hatching lines on a section are normally drawn at

Easy

A. 45° B. 90° C. 60° D. 30°

Question 17

17The symbol Ø on a drawing means

Easy

A. radius B. angle C. diameter D. square

Question 18

18A scale of 1 : 2 on a drawing means the drawing is

Easy

A. half the actual size B. one-twentieth of the actual size C. twice the actual size D. the actual size

Question 19

19On a building section, the DPC is shown just above

Hard

A. ground level in the wall B. the ceiling C. the roof D. the window head

Question 20

20A true-length line is seen when the line is

Hard

A. perpendicular to it B. parallel to the plane of projection C. inclined to all planes D. hidden