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)