please answer all the question

raw a line alled to a given line 2.2 Using your drawing equipment draw a Isosceles triangle: AB - AC-40 mm & 40 BAC - [10] Total marks [20] Question 3 3.1 What is the purpose of dimensioning and what are the guidelines?.[4] 3.2 Name the numbered dimension lines provided in the figure 1 below. 50 R18 a) 11 Figure 1 Question 4 Draw a free hand sketch of the object shown below. Use your own scale. Figure 2 w End Total Marks 50 @UNISA 2022 2 DCE1501 MAJOR TEST 1 28 APRIL ONLINE ASSESSMENT 3 [6] [10] Total marks [10] Question 1 1.1 Describe the information depicted in mechanical engineering drawing block diagram? [5] 1.2 What is a scale. [2] 1.3 Define the following: . Full scale Reducing scale Enlarging scale [3] Total marks [10] [101 Question 2 2.1. Draw a line parallel to a given line at a given distance. 2.2 Using your drawing equipment draw a Isosceles triangle: AB=AC = 40 mm & 40 BAC 0-0 [10] Total marks [20] Question 3 3.1 What is the purpose of dimensioning and what are the guidelines?.[4] 3.2 Name the numbered dimension lines provided in the figure 1 below. 18 01