Interview Questions Answers in Mechanical Engineering, Mechatronics Engineering

arpit akar

{ City } jaipur
< Country > india
* Profession * ceo
User No # 121575

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Question { 6216 }

Which has more mechanical efficiency betn 2-strock &4-strock
IC engine & why?

Answer

Mechanical efficiency is indicated power/break power brake power -frictional power =indicated power in two stories one power stroke for same frictional loss there is two power stroke

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Question { 11253 }

how failure of knuckle pin occures

Answer

the weakest part of knuckle joint is the key and it can fail by both crushing and shear action whoever is maximum in that technicaly

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Question { Patel Engineering, 3263 }

What is the first part which moves when we start the vehicle.

Answer

piston

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0 Yes

1 No

Question { TCS, 3307 }

Why riser is made cylindrical

Answer

According to chrovinov formula the best shape for riser is sphere but practically there is most of molten liquid being concentrated centrally and lesser contact with system but in cylindrical riser second best according to chrovinov large area oh heat zone by riser to system

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