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Mechanical Engineering Questions

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Mechanical Engineering Interview Questions & Answer - Best of luck for your interview

1. What is the difference between scavenging and supercharging ? Ans: Scavenging is process of flushing out burnt gases from engine cylinder by introducing fresh air in the cylinder before exhaust stroke ends. Supercharging is the process of supplying higher mass of air by compressing the atmospheric air.   2. What are the names given to constant temperature, constant pressure, constant volume, constant internal energy, constant enthalpy, and constant entropy processes.Ans: Isothermal, isochr

saurabhjain

saurabhjain

 

Difference between pump and compressor

What is the difference between pump and compressor ? When we use pump and When we use compressor?   You can answer this question You can like the best answer You can share the question..... You can get updates of new questions on Facebook linkedin twitter & google plus

saurabhjain

saurabhjain

WHY DIESEL ENGINES ARE MORE EFFICIENT THAN PETROL ENGINE

WHY DIESEL ENGINES ARE MORE EFFICIENT THAN PETROL ENGINE

You know that diesel engine is the most appropriate choice of the engineers when it comes to drive heavy automobile like trucks, aircraft, ships etc. But what makes it so torque, is it the engine design, working cycle or something else. Please share your  deep analysis to answer this questions  

saurabhjain

saurabhjain

 

What is Difference between Hardness and Toughness?

What is Difference between Hardness and Toughness? 1. You can answer this question 2. You can like the best answer 3. You can share the question..... In which units are they measured? Also check the image for conversion of Rockwell Hardness Scales verses Vickers Hardness Number

saurabhjain

saurabhjain






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