# Practice Test: Question Set - 01

**1. In which method of orthographic projection the object is placed below H.P. and behind V.P.?**

- (A) 1st angle
projection

- (B) 2nd angle
projection

- (C) 3rd angle
projection

- (D) 4th angle
projection

**2. To draw the orthographic projection, visual rays are _________ to the projection plane?**

- (A) Parallel

- (B) Adjacent

- (C) Perpendicular

- (D) Tangent

**3. How many dimensions are minimum required from the isometric view to draw each view in orthographic projection?**

- (A) Single dimension

- (B) Two
dimensions

- (C) Trifle
dimensions

- (D) Three
dimensions

**4. What is angle of isometric view?**

- (A) 30°

- (B) 45°

- (C) 60°

- (D) 90°

**5. What is included angle of pentagon?**

- (A) 112°

- (B) 108°

- (C) 72°

- (D) 68°

**6. When plan of an object lies below the elevation the projection is known as?**

- (A) Third angle
projection

- (B) Fourth angle
projection

- (C) Second angle
projection

- (D) First angle
projection

**7. Which plane is required to show the front view of an object?**

- (A) Profile
plane

- (B) Vertical
plane

- (C) Horizontal
plane

- (D) Parallel
plane

**8. What are the three principal planes in orthographic projection?**

- (A) Frontal,
horizontal, profile

- (B) Back, top,
profile

- (C) Top, front,
right side

- (D) Front, Top,
profile

**9. Name the drawing which is very much proffered by machine shop?**

- (A) Perspective
drawing

- (B) Isometric
drawing

- (C) Oblique
drawing

- (D) Multi view
drawing

**10. Which factor is required to convert isometric length from true length of object in isometric projection?**

- (A) 0.82

- (B) 0.75

- (C) 0.62

- (D) 0.58

**11. Which plane is suitable for the projections in isometric view are?**

- (A) Converging

- (B) Diverging

- (C) Parallel to
plane of projection

- (D) Perpendicular
to plane

**12. When the three faces make unequal angles between the axes then the projection is known as?**

- (A) Horizontal
plane

- (B) Picture
plane

- (C) Ground plane

- (D) Auxiliary
grand plane

**13. What is the shape of isometric circle?**

- (A) Spherical
shape

- (B) Elliptical
shape

- (C) Concentric
shape

- (D) Eccentric
shape

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