Previous year question paper for ESOMH (Diploma Automobile Engineering 4th)

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Elements of SOM and Hydraulics

Previous year question paper with solutions for Elements of SOM and Hydraulics from 2012 to 2012

Our website provides solved previous year question paper for Elements of SOM and Hydraulics from 2012 to 2012. Doing preparation from the previous year question paper helps you to get good marks in exams. From our ESOMH question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

                                                  A. Strength of Materials:

1. Stresses and strains: (14 hrs)

- Introduction to stress and strain.

- Mechanical properties of materials.

- Tensile and compressive stress.

- Shear stress and strain.

- Hook's law and Young's Modulus of elasticity.

- Modulus of Rigidity.

- Poisson's ratio.

- Bulk Modulus.

- Deformation and stress in uniform bar.

- Deformation and stress in non uniform bar.

- Temperature stresses.

- Longitudinal and hoop stress in thin and thick cylinders.

2. Beam and Bending: (08 hrs)

- Concept of Beam and their types (simply supported, overhanging,

cantilever)

- Different types of supports.

- Concept of bending moments and shear force.

- B.M and S.F. diagram for Beams; for uniformly distributed and

concentrated loads.

- Determination of position of maximum B.M and S.F. in beam. Point of

contraflexure.

3. Bending and Shear Stresses: (12 hrs)

- Concept of simple bending, assumptions made in it and derivation of

bending equation

- Flexural formulae.

- Concept of Second Moment of Area and Section Modulus for simple

sections:

- Rectangle cross section. 

84

- Circular cross section.

- Triangular cross section.

- Hollow circular cross section.

- Calculation of bending stresses for the above section with given

loading and span.

- Average shear stress in Rectangular and I

 section.

4. Springs: (08hrs)- Leaf Springs.

- Maximum deflection in leaf springs.

- Maximum stress in leaf springs.

- Close coiled and open coiled springs subjected to axial load and axial

twist.

- Stiffness of a spring.

- Strain energy and proof resistance8hrs)

5. Shafts: (08hrs)

- Concept of torque and angle of twist.

- Derivation of Torsion equation.

- Calculation of Torque transmitted by hollow and solid shafts of round

sections.

6. Columns and Struts (06 hrs)

 - Long and short columns

- Buckling of columns

 - Euler, Rankine and Gorden formulae

B. Hydraulics

7. Basics: (02 hrs)

- Properties of fluids.

8. Static Pressure: (04 hrs)

- Pascal's law

- Concept of static pressure

- pressure head

9. Measurement of Pressure: (04 hrs)

- Introduction to absolute pressure, gauge pressure vacuum

- Working of simple manometer differential manometer, bourdon gauge.

10. Flow of Liquid: (06 hrs)

- Laminar and turbulent flow.

- Law of continuity.

- Velocity head, datum head, pressure Head, Total head.

- Bernoulli's Theorem.

- Discharge measurement 

11. Flow Through Pipes: (04 hrs)

- Friction losses in pipes.

- Darcy's equation.

- Head loss due to sudden enlargement, contraction, obstruction and

bend.

12. Hydraulic Machinery (04 hrs)

 Description and application of :

- Reciprocating pump

- Centrifugal pump

- Jack

- Coupling- Coupling

Mark Favorite
2012
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