Karnataka SSLC Model Question Paper 2027 for Elements Of Mechanical Engineering IV (Paper 2)

FOR KARNATAKA CLASS 10 PREPARATION

Karnataka SSLC Model
Question Paper 2027 for
Elements Of Mechanical
Engineering IV (Paper 2)
EXAM YEAR TYPE
Karnataka Class 10 2027 Sample Paper

Notes · Sample Papers · Previous Year Papers · Mock Tests

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Subject: ELEMENTS OF MECHANICAL ENGINEERING –IV

ತ : 52 Subject Code No: 52

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General instruction to the candidate:

1. This question paper consists of 17 questions.

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2. Follow the instructions given against the questions.
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4. The maximum time to answer the paper is given at the top of the question paper.
It includes 15 minutes for reading the question paper.

[ Turn over

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Note:
(i) Answer all the questions.
(ii) Engineering drawing questions should be solved in drawing sheet only.
(iii) All dimensions are in "mm".

I. Four alternatives are given for each of the following questions/incomplete statements.
Select the most appropriate alternative and write it in the answer book along with its
alphabet: (1x10=10m)
1. Compression ratio of diesel engine is
(A) 8:1 to 10:1 (B) 15:1 to 10:1
(C) 16:1 to 20:1 (D) 10:1 to 15:1

2. The inner diameter of engine cylinder is called is:
(A) Bore (B) Stroke
(C) Clearance (D) Pitch

3. Air filter is used in:
(A) Petrol engine (B) Diesel engine
(C) Electric Engine (D) Steam engine

4. The operation of producing flat surface on drilled hole is called:
(A) Spot facing (B) Drilling
(C) Tapping (D) Boring

5. Embossing a diamond shaped pattern on the surface of work piece is called:
(A) Taper turning (B) Plain turning
(C) Knurling (D) Grooving
6. The dimension lines are:
(A) Thin line (B) Thick line
(C) Dashed line (D) Zig-Zag line

7. The projection on HP is:
(A) Front view (B) Left side view
(C) Right side view (D) Top view

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8. If the top view of a plane is rhombus, the object may be:
(A) Square (B) Parallelogram
(C) Octagon (D) Rectangle

9. A solid having minimum number of faces is:
(A) Square Pyramid (B) Triangular prism m
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(C) Cube
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10. The hidden part in a drawing is shown as:
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(A)gThick (B) Thin line
(C) Dashed line (D) Zig-zag line

II. Answer the following questions.
11. (a) Define the following.
(i) TDC
(ii) BDC ---2
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(b) Name the types of I. C. engine on the following bases.
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(i) Types of fuel used
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(ii) Number of strokes ag
(iii) Method of cooling ---3

(c) Draw the neat sketch of I. C. engine and label the parts. ---5

12. (a) Write any two applications of I. C. Engine. ---2

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(b) Classify the different types of drilling machine. ---3

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s em (c) Explain with a neat diagram a two-stroke petrol I. C. Engine. g l a
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13. (a) List the different types of operations performed on lathe. ---2

(b) Explain Knurling operation carried out on the lathe machine. ---3

(c) With neat sketch explain lathe specifications. ---5
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14. (a) List different operations performed on drilling machine and explain counter boring
operation. ---5

(b) A pentagonal plane lamina of side 30mm is resting on HP with one of its corners
touching it such that the plane surface makes an angle of 60° with HP. Draw the
top and front views of the plane. ---5

15. (a) A square lamina ABCD of 30mm side rests on the corner C such that the diagonal AC
appears as at 30° to HP. Draw its front and top views. ---5

(b) Draw the projection of a cylinder of 50mm diameter of base and height 60mm resting
with its base on HP. (5 m)

16. A hexagonal pyramid of 30mm edge of base and height 65mm rests with one of its
corners of the base on HP such that the base is inclined at 30° to it and the axis
parallel to VP. Draw its projections. ---10

17. The pictorial view of an object is shown in figure No.1. Draw the following orthographic

Views and make the dimensions.

1. Front view: looking in the direction of arrow-X

2. Top view: looking in the direction of arrow-Y

3. Side view: looking in the direction of arrow-Z

Figure No. 1

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OR

Draw the isometric views of an object from the given orthographic views
in Figure No. 2. ---10
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Figure No. 2
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