SECTION-A

Q1. Draw conventions signs of the following.

a. Short break line

b. Centre line

c. Long break line

d. Cutting plane line

e. Gun Metal f. Copper

Fill in the blanks.

i. The Representative Fraction in scales is the ratio of ....................and.................

Section lines are generally drawn at ……..degrees to the horizontal.

A circle in isometric projection appears as........

The isometric length is about .......... of the true length of the line.

The object is placed above HP and In front of VP it is in ............quadrant.

Gothic lettering has all the alphabets and numerals of…………thickness.

SECTION-B

Q3. Attempt any four questions.

a. Write free hand in single stroke vertical capital letters using ratio 5:4 and taking height of letters 15 mm, the following statement

PUNJAB STATE FARMERS COMMISSION

Differentiate between plain scale and diagonal scale.

Give a comparison between 1st angle and 3rd angle projection.

Explain Representative Fraction.

What are sectional views? Explain the objective of drawing sectional views

Attempt any two questions.

i. A right circular cone of base diameter 30 mm and height 60 mm rests centrally on a square block of 60 mm side and 30 mm thick. Draw isometric projection of the solid

Construct a diagonal scale to show meters, decimeters, and centimeters to measure up to 6 meters when R.F. =1/40. Show on it a distance of a) 5.22 meters b) 3.54 meters

Figure 1 shows pictorial view of an object. Draw to a full size scale, the following views in third angle projection (all dimensions in mm)

a. Front View looking in the direction of X.

b. Top View.

c. Left side View.