Friday, October 2, 2009

Multiple choice questions

Note: The matter given below is copyright protected and should be used for practice.

1. Hidden lines are drawn as

  • (a) dashed narrow lines
  • (b) dashed wide lines
  • (c) long-dashed dotted wide line
  • (d) long-dashed double dotted wide line

Ans: (a)

2. Line composed of closely and evenly spaced short dashes in a drawing represents

  • (a) visible edges
  • (b) hidden edges
  • (c) hatching
  • (d) pitch circle of gears

Ans: (b)

3. Lettering on a drawing sheet should have

  • (a) all alphabets in capital letters
  • (b) all alphabets in small letters
  • (c) In a sentance only first alphabet in capital letter
  • (d) In a sentance only abbreviations are capital letter

Ans: (a)

4. The line connecting a view to note is called

  • (a) dimension line
  • (b) projection line
  • (c) leader
  • (d) arrowheads

Ans: (c)

5. The dimension figure for radius of a circle should be preceded by

  • (a) R
  • (b) CR
  • (c) SR
  • (d) RAD

Ans: (b)

6. The recommended method of dimensioning a sphere with diameter 80 mm is

  • (a) 80фS
  • (b) ф80S
  • (c) S80ф
  • (d) Sф80

Ans: (d)

7. Methods of arrangement of dimensions includes

  • (a) Parallel, continuous and combined
  • (b) Perpendicular, parallel and combined
  • (c) Perpendicular, continuous and combined
  • (d) Perpendicular, parallel and continuous

Ans: (a)

8. Superimposed dimensioning is a simplified method of

  • (a) chain dimensioning
  • (b) parallel dimensioning
  • (c) combined dimensioning
  • (d) tabular dimensioning

Ans: (b)

9. A curve drawn for Boyle’s law (PV = constant) on a P-V chart has a characteristic shape of

  • (a) ellipse
  • (b) parabloa
  • (c) oblique hyperbola
  • (d) rectangular hyperbola

Ans: (d)

10. The profile of a gear teeth is in the form of

  • (a) parabola
  • (b) involute
  • (c) spiral
  • (d) helix

Ans: (b)

11. When two angles together make 90º, they are called

  • (a) obtuse angle
  • (b) reflex angle
  • (c) complementary angles
  • (d) supplementary angles

Ans: (c)

12. The included angle of a hexagon is

  • (a) 30º
  • (b) 60º
  • (c) 120º
  • (d) 150º

Ans: (c)

13. The curve generated by a point on the circumference of a circle, which rolls without slipping along outside of another circle is known as

  • (a) Hypocycloid
  • (b) Epicycloid
  • (c) Cycloid
  • (d) Trochoid

Ans: (b)

14. In orthographic projections, the rays are assumed to

  • (a) diverge from station point
  • (b) converge from station point
  • (c) be parallel
  • (d) None of these

Ans: (c)

15. If an object lies in third quadrant, its position with respect to reference planes will be

  • (a) infront of V.P, above H.P
  • (b) behind V.P., above H.P.
  • (c) behind V.P., below H.P.
  • (d) infront of V.P., below H.P.

Ans: (c)

16. If the Vertical Trace (V.T.) of a line lies 30 mm above reference line (XY), then its position will be

  • (a) 30 mm infront of V.P.
  • (b) 30 mm behind V.P.
  • (c) 30 mm above H.P.
  • (d) 30 mm below H.P.

Ans: (c)

17. When an object is cut by a section plane parallel to H.P and perpendicular to V.P, then the sectional view of the object is obtained in

  • (a) top view
  • (b) front view
  • (c) left side view
  • (d) right side view

Ans: (a)

18. Which of the following object gives a circular section, when it is cut completely by a section plane (irrespective of the angle of the section plane)

  • (a) Cylinder
  • (b) Sphere
  • (c) Cone
  • (d) Circular lamina

Ans: (b)

19. Comparative scale is a pair of scale having a common

  • (a) units
  • (b) representative fraction
  • (c) length of scale
  • (d) least count

Ans: (b)

20. An angle can be set off and measured with the help of

  • (a) plane scale
  • (b) diagonal scale
  • (c) comparative scale
  • (d) Scale of chords

Ans: (d)