Posted tagged ‘performance efficiency’

Entry Level Mechanical Engg Jobs Interview Questions

September 20, 2011

01-interview jokes-interview hunt-interview HR questions

1) Difference between Performance and Efficiency?

· The accomplishment of a given task measured against preset known standards of accuracy, completeness, cost, and speed is called as Performance.

· Efficiency is defined as the input given and the work obtained from that input like money, time, labour etc. It’s the main factor of productivity.


 

2) What is the difference between Impact Force & Sudden Force?

· An impact is a high force or shock applied over a short time period when two or more bodies collide.

· A force which applies on the body (material) suddenly is known as sudden force.


 

3) Difference between Antifriction Bearing and Journal Bearing

Generally, journal bearings have higher friction force, consume higher energy and release more heat, but they have larger contact surface, so normally used in low speed high load applications. In anti friction bearings friction is less.  One object just rolls over each other.


 

4) What is a Cotter joint?

A cotter joint is used to connect rigidly two co-axial rods or bars which are subjected to axial tensile or compressive forces. Here shaft is locked in place by a smaller pin that passes through the side of the lug and partly or completely through the shaft itself. This locking pin is named as cotter.


 

5) What is difference between Hardness and Toughness?

· Toughness is the ability of a material to absorb energy.

· Hardness is the ability of a material to withstand wear.


 

6) What is the difference between Toughness, Hardness and Strength?

· Toughness is the ability of a material to absorb energy.

· Hardness is the ability of a material to withstand wear.

· Strength is generally withstanding stresses, fatigue etc.


 

7) What is the difference between Strength and Stamina?

· Strength is capability over a short length of time.

· Stamina is the ability to keep going continuously.

 

3D SIMULATION

August 23, 2011

01-design challenges in the automotive sector-product design-surface design-new product development-FEA solutions-concept design

Design Validation:

  • Accelerate new product development
  • Switch to alternate or cheaper material
  • Reduce Prototyping costs
  • Improve product quality and performance
  • Enhance reliability

01-design validation need-Solidworks COSMOS design validation-engineering design challenges


Responding To Design Challenges:

  • Improve complex product designs
    • Enhanced function and performance
    • Meet product specification and / or regulation

01-life cycle simulation-CAE-multi body dynamics-flexible body-Product life cycle management-PLM software-Solidworks-COSMOS-design optimization-FE modeling

  • Reduce Re-Design
    • Design right first time
    • Weight and shape optimization
  • Early problem detection and correction
    • Avoid field failures
    • Study alternative designs
  • Greater product quality
    • Efficient and reliable
    • Reduced liability

CAE Solutions:

01-validate design with FEA-Finite Element Analysis-Design optimization-verify design function and intent-FEM

  • Development of indigenous technologies and products
  • Enumeration of methods for Analysis to test correlations
  • Procedure for Failure mode and Prediction and Life Calculations
  • Value Addition and Value Engineering (VAVE)
  • Reduction in Cost and Product development time
  • Elimination of Performance problems
  • Improvement in performance efficiency

COSMOS Salient Features:

01-design validation software-Solidworks-cosmos simulation-FEA Analysis-Stress Analysis-Finite Element Analysis-Simplify Design analysis

  • Theory in Finite Element Analysis including procedure for performing FEA
  • Practical solution to complex problems involving multi-domain interaction
  • Correlation to real world problems and phenomena
  • Advanced training on Fatigue, Non-Linear FEA and Vibrations

Why COSMOS for Design Validation:

01-solidworks-cosmos-design star-solidworks simulation-cosmos fea-cosmosworks-cosmos design validation

  • CAD Integrated Design validation
  • Easy to use and Shorter Learning Curve
  • Evaluate multiple Design scenarios in one stroke
  • Integrated Kinematic Analysis using Cosmos Motion
  • Seamless transfer of loading from COSMOS Motion to COSMOS  Works for FEA
  • Multi Domain Analysis in Integrated CAD Environment

SolidWorks / COSMOS Simulation benefits:

  • Easy-to-Use Simulation toolset – Enables designers to concentrate on designs not tools
  • Automatic Report Generation
  • Multiple configurations of designs can be studied automatically – enables Design of Experiments
  • Unlimited Model size – limited only by Computational resources
  • True Contact simulation for accurate load transfer
  • Sensors and Probes to compare results with Real-World Test Data
  • Fast, Accurate and Reliable – Backed by almost 3 Decades of experience

3D SIMULATION

August 23, 2011

01-design challenges in the automotive sector-product design-surface design-new product development-FEA solutions-concept design

Design Validation:

  • Accelerate new product development
  • Switch to alternate or cheaper material
  • Reduce Prototyping costs
  • Improve product quality and performance
  • Enhance reliability

01-design validation need-Solidworks COSMOS design validation-engineering design challenges


Responding To Design Challenges:

  • Improve complex product designs
    • Enhanced function and performance
    • Meet product specification and / or regulation

01-life cycle simulation-CAE-multi body dynamics-flexible body-Product life cycle management-PLM software-Solidworks-COSMOS-design optimization-FE modeling

  • Reduce Re-Design
    • Design right first time
    • Weight and shape optimization
  • Early problem detection and correction
    • Avoid field failures
    • Study alternative designs
  • Greater product quality
    • Efficient and reliable
    • Reduced liability

CAE Solutions:

01-validate design with FEA-Finite Element Analysis-Design optimization-verify design function and intent-FEM

  • Development of indigenous technologies and products
  • Enumeration of methods for Analysis to test correlations
  • Procedure for Failure mode and Prediction and Life Calculations
  • Value Addition and Value Engineering (VAVE)
  • Reduction in Cost and Product development time
  • Elimination of Performance problems
  • Improvement in performance efficiency

COSMOS Salient Features:

01-design validation software-Solidworks-cosmos simulation-FEA Analysis-Stress Analysis-Finite Element Analysis-Simplify Design analysis

  • Theory in Finite Element Analysis including procedure for performing FEA
  • Practical solution to complex problems involving multi-domain interaction
  • Correlation to real world problems and phenomena
  • Advanced training on Fatigue, Non-Linear FEA and Vibrations

Why COSMOS for Design Validation:

01-solidworks-cosmos-design star-solidworks simulation-cosmos fea-cosmosworks-cosmos design validation

  • CAD Integrated Design validation
  • Easy to use and Shorter Learning Curve
  • Evaluate multiple Design scenarios in one stroke
  • Integrated Kinematic Analysis using Cosmos Motion
  • Seamless transfer of loading from COSMOS Motion to COSMOS  Works for FEA
  • Multi Domain Analysis in Integrated CAD Environment

SolidWorks / COSMOS Simulation benefits:

  • Easy-to-Use Simulation toolset – Enables designers to concentrate on designs not tools
  • Automatic Report Generation
  • Multiple configurations of designs can be studied automatically – enables Design of Experiments
  • Unlimited Model size – limited only by Computational resources
  • True Contact simulation for accurate load transfer
  • Sensors and Probes to compare results with Real-World Test Data
  • Fast, Accurate and Reliable – Backed by almost 3 Decades of experience