Engineering Graphics — Major (End Semester) 2025 question paper
MMMUT Civil Engineering previous year question paper for Engineering Graphics (BCE-121), semester 1, Major (End Semester) 2025. All 23 questions are listed below, each with a written answer on Nexsus.
Paper details
Subject: Engineering Graphics (BCE-121)
Branch: Civil Engineering
Semester: 1
Exam: Major (End Semester) 2025
Questions: 23
Questions asked in Engineering Graphics Major (End Semester) 2025
Q1. Attempt any five parts of the following.
Q1(a). What are the main uses of engineering drawing in engineering practice? [2 marks]
Q1(b). Write the difference between a plain scale and a diagonal scale with suitable examples. [2 marks]
Q1(c). Draw the projections of a point A situated 25 mm above the HP and 30 mm below the front of the VP. Indicate its position clearly with respect to the reference line (XY). [2 marks]
Q1(d). A line AB 70 mm long is parallel to both HP and VP and lies 30 mm above HP and 25 mm in front of VP. Draw its projections. [2 marks]
Q1(e). Define the following terms used in conic sections: Eccentricity Directrix Focus Axis [2 marks]
Q1(f). Construct a regular pentagon of 40 mm side with horizontal. [2 marks]
Q1(g). Differentiate between Cycloid, Epicycloid, and Involute based on their construction method and use. [2 marks]
Q2. Attempt any two parts of the following.
Q2(a). Explain the different types of section planes used in engineering drawing for cutting solids. Illustrate each type with suitable examples. [5 marks]
Q2(b). A square pyramid of base side 40 mm and axis 60 mm long rests on its base on the H.P. [5 marks]
Q2(c). State and explain the difference between a full section and a half section with the help of neat sketches. Also mention one suitable application of each type of sectional view. [5 marks]
Q3. Attempt any two parts of the following.
Q3(a). A cube of 50 mm side rests with one of its edge on HP, such that the square face containing that edge are making equal inclination with HP. A horizontal section plane cuts the cube at a distance 18 mm below the horizontal edge near to the observer. Draw the sectional top view and front view of the cube. [5 marks]
Q3(b). Explain the term Auxiliary View. Why is it used in Engineering Drawing? Also describe its importance in the Development of Surfaces. [5 marks]
Q3(c). Explain the various types of prisms and pyramids commonly used in engineering drawing. Further, describe how a frustum is formed in a pyramid, prism, and cone with suitable sketches. [5 marks]
Q4. Attempt any two parts of the following.
Q4(a). Define Isometric Projection. Why is it important in engineering drawing? Explain the following terms with diagrams: Isometric Axes, Isometric Lines ,Non-Isometric and Lines Isometric Plane. [5 marks]
Q4(b). Define Isometric Scale and explain its significance in engineering drawing, Also, distinguish between isometric projects and isometric View with a neat comparison table.
Q5. Attempt any two parts of the following.
Q5(a). In isometric projection, lengths along the isometric axes appear foreshortened. Prove mathematically that a line of true length L is reduced by approximately 18% and explain the reason for this reduction. [5 marks]
Q5(b). The figure shows an L-shaped section with the following dimensions: Vertical height = 65 mm Vertical thickness = 15 mm Horizontal length = 65 mm Horizontal thickness = 20 mm Convert the given orthographic projection of the L-section into an isometric projection. [5 marks]
Q5(c). What are the advantages of CAD software in isometric and orthographic drawing? [5 marks]