Engineering Graphics — Winter 2018

Objective Question (MCQ) Mark

Select the correct answer: 1. Which type of line is a part of a dimension?

Break lines (b) Phantom lines

Extension lines (d) Cutting plane lines 2. Which one of the following is not a reduction Scale?

1:1 (b) 1:200 (c) 5/320 (d) 5:6 3. The eccentricity of which of the following curve is greater than one?

Ellipse (b) Hyperbola

Parabola (d)None of above 4. For the third angle projection method, which of the following is correct?

Observer - Object – Plane (b) Observer – Plane – Object

(a) and (b) both (d) None of above 5. When the front view of line having a length less than the original length then which of the following is correct?

Line is inclined to H.P. (b) Line is inclined to V.P.

Line is inclined to both H.P. (d) (b) and (c) both and V.P. 6. To obtain the true shape of the section of solid, an auxiliary plane is set

Inclined at an angle of 45o (b) parallel to XY to a cutting plane

Parallel to a cutting plane (d) perpendicular to a cutting plane 7. Asquare plate of negligible thickness is inclined to HP and parallel to V.P. The front view will appear as

rhombus (b) square (c) line (d) rectangle

Select the correct answer: 1. A French curve is used to draw

Circles (b) Ellipses (c)Smooth curves (d) Polygon 2. The angle between isometric axis is

30º (b) 90º (c) 120º (d) 180º 3. If a line is inclined to the Vertical Plane and parallel to Horizontal Plane, then which of the following statements is always correct?

True Length = Plan Length (b) True Length ≠ Plan Length

True Length > Elevation (d) True Length = Elevation Length Length 4. In first angle projection method The Left-hand side view is placed on

Above elevation (b) Right side of elevation

below elevation (d) Left side of elevation 5. Second angle projection is not used because

Plan is above xy (b) both views overlap each other

elevation is above xy (d) views are small in size 6. Acylinder standing on the HP is cut by a vertical plane parallel to the axis and away from it. The shape of the section will be

Rectangle (b) Circle (c) Ellipse (d) Hyperbola 7. When the plane cuts the cone parallel to the generator, the curve traced out is

ellipse (b) parabola (c) hyperbola (d) triangle

Apoint “A” is located in the 1st quadrant. The shortest radial distance of point “A” from the intersection of H.P. and V.P. is 40 mm and is inclined at 45 o to the H.P. Draw the projection of point A.

Construct a plain scale of R.F. = 1:40 to show meters and decimetres and long enough up to 10 meter. Indicate 7.4 m distance on scale.

Draw an ellipse having major axis 120 mm and minor axis 80 mm by using concentric circle method.

Explain Systems of Dimensioning in brief.

Aline PQ 60 mm long its end Pon VP and end Qon HP. Line is inclined to HP by 60º and VP by 30 º and it is 20 mm away from the profile plane. Draw the projections of the line.

Draw an Archemedian spiral of 1.5 convolutions, the greatest and least radii being 125 mm and 35 mm respectively. Draw tangent and normal to the spiral at any point on the curve.

What are projection, projector and plane of projection?

Aline AB is 80 mm long. It is inclined at an angle of 45o to the Horizontal Plane and 30o to the Vertical Plane. The end Ais 20 mm above Horizontal Plane and 10 mm in front of Vertical Plane. Draw the projections of the line AB.

Ahexagonal plane of 30 mm side has one of its sides on the H.P and inclined at 450 to the V.P. The surface of the plane is inclined at 450 to H.P. Draw its projections.

Define Representation Factor. What is Difference between plain Scale and Diagonal Scale.

Differentiate between Isometric View and Isometric Projections and Construct the isometric scale to measure 100 mm.

Ahexagonal pyramid, side of the base 25 mm long and height 70 mm resting on HP on its side, has one of its triangular faces perpendicular to the HP and inclined at 60º to VP. Draw its projections.

Give complete classification of Solids.

Asquare pyramid, base 45 mm side and axis 70 mm long has its base in H.P. all edges of the base are equally inclined to V.P. It is cut by a section plane Perpendicular to V.P. and inclined at 45 degree to the H.P. such that it bisects the axis. Draw its sectional top view and Front View.

Draw the isometric view from the following orthographic views. (Figure-1) Figure-1

Write down the difference between first angle and third angle projection methods.

Figure – 2 shows pictorial view of an object. Draw following views

Sectional Elevation from – X (b) Plan and ( c ) Right hand side view Figure-2