jntua c-18 model papers
State Board of Technical Education and Training, Telangana, Hyderabad
C-18, II SEMESTER
205-ADVANCED WORKSHOP TECHNOLOGY
Mid Sem-I, Model Paper
Time: 1 Hour Total Marks: 20 M
PART – A
Answer ALL questions and each question carries Two marks. Marks: 4 X 1M = 4M and the answer should not exceed 1⁄4 page.
1. Write any two specifications of the Drilling machine.
2. Define counterboring.
3. What is the function of the lifter in the foundry?
4. List any two properties of molding sand.
PART – B
Answer the following. Each question carries Three marks Marks: 2 X 3M= 6 M and the answer should not exceed 1 page.
5. a). Draw the nomenclature of Twist Drill.
OR
b). Define the boring operations a) Spot facing b) Counter boring c) trepanning.
6. a) Define the terms adhesiveness, cohesiveness, and refractoriness.
OR
b). What is the function of raiser in foundry?.
PART – C
Answer the following. Each question carries five marks Marks: 2 X 5M = 10 M and the answer should not exceed 2 pages.
7. a). Explain the working principle of the radial drilling machine with a neat sketch?
OR
b). Explain the working principle of a sensitive drilling machine with a neat sketch?
8. a). Explain about gated pattern and shell pattern
OR
b). List and explain any pattern allowances?
State Board of Technical Education and Training, Telangana, Hyderabad
C-18, II SEMESTER
205-ADVANCED WORKSHOP TECHNOLOGY
Mid Sem-II, Model Paper
Time: 1 Hour Total Marks: 20 M
PART – A
Answer ALL questions and each question carries Two marks. Marks: 4 X 1M = 4M and answer should not exceed 1⁄4 page.
1. What blows a hole in casting?.
2. What is the slag inclusion in casting?
3. Define spinning?
4. Define thread rolling?
PART – B
Answer the following. Each question carries Three marks Marks: 2 X 3M= 6 M and the answer should not exceed 1 page.
5. a). Explain about investment casting.
OR
b). what is the application of the shell molding process?
6. a) What are the limitations of the hot working process?
OR
b). List any three effects of the hot working process.
PART – C
Answer the following. Each question carries five marks Marks:2 X 5M =10 M and answer should not exceed 2 pages.
7. a). Explain about CO2 molding process?
OR
b). Explain about ceramic molding process?
8. a). List the Effects of cold working of metals, advantages
OR
b). Explain bout tube drawing process?
State Board of Technical Education and Training, Telangana State
C18-Semester End Examination (SEE)
Model Paper
205-ADVANCED WORKSHOP TECHNOLOGY
TIME: 2 Hours Max. Marks: 40
Answer all questions and each question carries one mark. 8 x 1M = 8 M
and the answer should not exceed 1⁄4 page.
1. Define trepanning.
2. How do you specify Twist Drill?
3. List any three types of molding sands in the foundry.
4. List the ingredients of parting sand.
5. What is spattering defect in casting?
6. List any three materials used for pattern making in casting.
7. What is spinning in operation of hot working?
8. What is cold heading operation in the cold working process?
PART – B
Answer the following. Each question carries Three marks 4 x 3 M = 12M
and the answer should not exceed 1 page.
9. a) Define spot facing and trepanning.
OR
b) Draw the nomenclature of a twist drill.
10. a) Write the function of raiser in the foundry.
OR
b) Write the function of vent rod in the foundry.
11. a) What is cemented bonding molding?
OR
b) Explain about slag inclusion in the foundry.
12. a) List any three disadvantages of hot working.
OR
b) What is spinning operation in the cold working process?.
PART – C
Answer the following. Each question carries Five marks 4 x 5M = 20M
and the answer should not exceed 2 pages.
13. a) Explain the working principle of the radial drilling machine with a neat sketch.
OR
b) Explain the working principle of a sensitive drilling machine with a neat sketch.
14. a) Define the following molding sand properties
a) Porosity b) adhesiveness c) Cohesiveness d) flowability e) collapsibility
OR
b) Explain the pattern allowances.
15. a) Explain shell molding with a neat sketch.
OR
b) Explain centrifugal casting with a neat sketch.
16. a) Describe the working principle of tube extrusion process?
OR
b) Define the following
i) Squeezing ii) cold heading iii) thread rolling iv) spinning.
State Board of Technical Education and Training, Telangana, Hyderabad
C-18 Model Paper
ADVANCED ENGINEERING DRAWING
Mid Sem - I
Time: 1 Hour Total Marks: 20 M
Answer the following. Each question carries Two marks Marks: 4 X 2M= 8 M
1. Draw the projections of a cube 0f 35mm side, resting on one of its faces (bases) on H.P such that one of its faces is parallel to and 15 mm in front of V.P.
2. Draw the conventional representation for the following materials
a) Wood b) Concrete
3. A cone of base 50 mm diameter and axis 70 mm long lies on its base on H.P. A sectional plane parallel to H.P passes through the axis at a 40 mm from the base. Draw the projections of the reaming Cone.
4. Define the terms a) Prism b) Pyramid
PART – B
Answer the following. Each question carries Six marks Marks: 2 X 6M = 12 M
5. a. A hexagonal prism with a side of base 30 mm and axis 70 mm long, is lying one of its rectangular faces on H.P. Draw the projections of the prism, when its axis is parallel to both H.P and V.P
OR
b. A cylinder with base 40 mm diameter and 60 mm long, rests on a point of its base on H.P such that the axis makes an angle of 30 degrees with H.P. Draw the projections of the cylinder.
6. a. A cylinder of diameter 50 mm and axis 70 long rests with its base on H.P. It is cut by
a section plane parallel to V.P and passing through the solid at a distance 10 mm from the axis. Draw the projections.
OR
b. A cube of edge 40 mm rests on H.P one of its edges and a face is parallel to V.P. One of the faces containing the resting edge is inclined at 30 degrees to H.P. It is cit by horizontal section plane at 10 mm away from the axis. Draw the projections of the cube.
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