Important question

CE8395 Important Questions Strength of Materials for Mechanical Engineers Regulation 2017 Anna University

CE8395 Important Questions Strength of Materials for Mechanical Engineers

CE8395 Important Questions Strength of Materials for Mechanical Engineers Regulation 2017 Anna University free download. Strength of Materials for Mechanical Engineers Important Questions CE8395 pdf free download.

Sample CE8395 Important Questions Strength of Materials for Mechanical Engineers:

1. State the assumptions while deriving the general formula for shear stresses.
(May/June 2011)
i. The material is homogenous, isotropic and elastic.
ii. The modulus of elasticity in tension and compression are same and the
shear stress is constant along the beam width.
2. Define shear stress distribution. (May/June 2013)
` The variation of shear stress along the depth of beam is called shear stress distribution. CE8395 Important Questions Strength of Materials for Mechanical Engineers
3. Mention the different types of beams. (May/June 2009)
i. Cantilever beam,
ii. Simply supported beam,
iii. Fixed beam,
iv. Continous beam and
v. Over hanging beam
4. Write down the bending moment equation. (May/June 2009)
The bending equation M /I = σ/y =E/R
Where, CE8395 Important Questions Strength of Materials for Mechanical Engineers
M – bending moment
I – moment of inertia of the section,
σ – bending stress at that section,
y – distance from the neutral axis,
E – Young’s modulus of the material,
R – radius of curvature of the beam.
5. What do you understand by the term point of contraflexure? (Apr/May 2010)
The point where the shear force changes its sign or zero is called as point of contraflexure.At this point the bending moment is maximum.
6. What is the value of bending moment corresponding to a point having a zero shear CE8395 Important Questions Strength of Materials for Mechanical Engineers
force? (May/June 2010)
The value of bending moment is maximum where the shear force changes it sign or zero.
7. Mention the types of supports. (Apr/May 2011) Roller support Fixed support Hinged or pinned support CE8395 Important Questions Strength of Materials for Mechanical Engineers
8. Define bending moment in beam. (Nov/Dec 2012)
The bending moment of the beam may be defined as the algebraic sum of the moments of the forces, to the right or left of the section.

 

Subject name STRENGTH OF MATERIALS FOR MECHANICAL ENGINEERS
Short Name SMM
Semester 4
Subject Code CE8395
Regulation 2017 regulation

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