B.E DEGREE PRACTICAL EXAMINATIONS, APRIL / MAY 2012
Third Semester
Aeronautical Engineering
(Regulation 2008)
Time:
Three hours
Maximum: 100 marks
COLLEGE CODE AND NAME: 9625, THE RAJAAS ENGINEERING COLLEGE
DATE
OF EXAMINATION : 19.04.2012
- Conduct deflection test on the cantilever beam carrying a concentrated load at the free end and to determine the following
Ø
Bending stress induced in the cantilever beam
Ø
Flexural rigidity
Ø
Bending moment
Ø
Modulus of elasticity of the material of the
cantilever beam
- Conduct deflection test on the cantilever beam carrying a concentrated load at a distance of 300 mm from the free end and to determine the following
Ø
Bending stress induced in the cantilever beam
Ø
Flexural rigidity
Ø
Bending moment
Ø
Modulus of elasticity of the material of the
cantilever beam
- Conduct deflection test on the beam simply supported at the ends and carrying a concentrated load at the centre and to determine the following
Ø
Bending stress induced in the cantilever beam
Ø
Flexural rigidity
Ø
Bending moment
Ø
Modulus of elasticity of the material of the
cantilever beam
- Conduct deflection test on the beam simply supported at the ends and carrying an eccentric concentrated load and to determine the following
Ø
Bending stress induced in the cantilever beam
Ø
Flexural rigidity
Ø
Bending moment
Ø
Modulus of elasticity of the material of the
cantilever beam
5.
Conduct a compression test on the given spring by applying
compressive force and to determine the following using spring testing machine
Ø
Stiffness of the spring
Ø
Spring index of the spring
Ø
Modulus of rigidity of the spring
Ø
Strain energy stored in the spring
Ø
Shear stress
Ø
Bending stress
Ø
Maximum Shear stress
Ø
Torque
Ø
Bending moment
Ø
Frequency of vibration
Ø
Angle of twist
6.
Conduct a tension test on the given spring by applying
compressive force and to determine the following using spring testing machine
Ø
Stiffness of the spring
Ø
Spring index of the spring
Ø
Modulus of rigidity of the spring
Ø
Strain energy stored in the spring
Ø
Shear stress
Ø
Maximum Shear stress
Ø
Torque
Ø
Frequency of vibration
Ø
Angle of twist
7.
Conduct a tensile test
on the given mild steel rod and to find the following
Ø Limit of proportionality
Ø Elastic limit
Ø Ultimate tensile strength
Ø Breaking strength
Ø Percentage of elongation
Ø Percentage of reduction in area
Ø Young's Modulus of elasticity
Ø Yield strength
8.
Conduct hardness test on following specimens, and
to determine the Brinell hardness number of the given specimens using Brinell
hardness testing machine.
Ø
Mild steel
Ø
Brass
Ø
Copper
Ø
Aluminium
Ø
Cast Iron
9.
Conduct hardness test on following specimens, and
to determine the Rockwell hardness number of the given specimens using Rockwell
hardness testing machine.
Ø
Mild steel
Ø
Brass
Ø
Copper
Ø
Aluminium
Ø
Cast Iron
10. Conduct
hardness test on following specimens, and to determine the Vicker’s hardness
number of the given specimens using Vicker’s hardness testing machine.
Ø
Mild steel
Ø
Brass
Ø
Copper
Ø
Aluminium
Ø
Cast Iron
11. To
conduct hardness test on given soft material specimens, and to determine the
Shore ‘A’ hardness number of the given specimens using Shore ‘A’ hardness
testing machine.
Ø
Eraser
Ø
Car tyre
Ø
Hard rubber washer
Ø
Plastic
12. To
conduct hardness test on given soft material specimens, and to determine the
Shore ‘D’ hardness number of the given specimens using Shore ‘D’ hardness
testing machine.
Ø
Eraser
Ø
Car tyre
Ø
Hard rubber washer
Ø
Plastic
13. Determine
the impact strength of the given specimen and to determine the energy absorbed
by the specimen before fracture by conducting izod impact test.
14. Determine
the impact strength of the given specimen and to determine the energy absorbed
by the specimen before fracture by conducting charpy impact test.
15. Determine
the crushing strength of the given brick when
the load is applied
Ø
When the brick is vertical
Ø
When the brick is horizontal
16. Determine
the crushing strength of the given wooden
specimen by using universal testing machine when the load is applied
Ø
Parallel to the grains
Ø
Perpendicular to the grains
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