ME6503 Design of Machine Elements Important questions
ME6503 Design of Machine Elements Important questions Regulation 2013 Anna University free download. Design of Machine Elements ME6502 Important questions pdf free download.
Sample ME6503 Design of Machine Elements Important questions:
1. Define factor of safety.
Factor of safety (FOS) is defined as the ratio between the maximum stress and
working stress.
2. What are the various phases of design process?
• Recognition of need
• Definition of problem
• Synthesis
• Analysis and Optimization
• Evaluation
• Presentation
(ME6503 Design of Machine Elements Important questions)
3. List out the factors involved in arriving at factor of safety.
• Material properties
• Nature of load
• Presence of localized stress
• Presence of initial stress
• Mode of failure
4. Define Endurance limit.
Endurance limit is the maximum value of completing reversed stress that can sustain an infinite number (106) of cycles without failure.
(ME6503 Design of Machine Elements Important questions)
5. What are the factors affecting endurance strength of a material?
• Load
• Surface finish
• Size
• Temperature
• Impact
• Reliability
6. What is eccentric load and eccentricity?
An external load, whose line of action is parallel but does not coincide with the centroidal axis of the machine component, is known as an eccentric load. The distance between the centroidal axis of the machine component and the eccentric load is called eccentricity. (Ex.) C-clamps, Punching machines, brackets, offset connecting links etc.
(ME6503 Design of Machine Elements Important questions)
8. What are the factors affecting selection of material for machine element?
a. Load applied
b. Purpose and operating conditions of the part.
c. Suitability for manufacture.
d. Minimum weight and optimal size
e. Availability and cost.
9. Define Resilience.
Resilience is the property of the material to absorb energy and to resist shock and
impact loads. This property is essential for spring materials.
10. Define the Morphology of Design.
Morphology of design consisting of problem formulation analysis search for alternative an evaluation decision taking and specification of the solution.
(ME6503 Design of Machine Elements Important questions)
| Subject Name | Design of Machine Elements |
| Subject code | ME6503 |
| Regulation | 2013 |
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