Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

why piston is cylindrical in shape

Olam International, Clarion Technologies,

7 3192

what is the reason of hat and work is not conserved energy?

565

what is the dome assembly

Om Engineering,

634




mechanical efficiency is high in petrol engines compared to diesel engines but why diesel engines are preferred in heavy duty vehicles

Valeo Lighting Systems India Private Limited,

6 3973

If you are scientist to b e and you wish to develop a self-generating power appliances, what would b e the ranking of importance to apply your concept of creating energy using alternator: 1. Washing Machine 2. Motor Water Pump 3. Electric Fan 4. Electric Stove 5. Flat Iron – Which one will b e your foremost and the least at the rank of 1 to 5? Why is that so? Defend your answer.

423

what is punching force required for embossing of depth 3.5mm and diameter 58mm

Omkar Solar System,

858

difference between aerofoil meter and orifice meter 

Cethar Energy,

975

what will be the min curvature ratio for Round Bar dia. 1” size in material grade AISI 4330, Yield strength 115KSI Tensile 140KSI?

TBEA,

782




T union support factor

615

Are you ready to comply with the employment rules and regulations if your CV is considered for employment?

1463

As per api 650 code for new ss tank fabrication,in bottom plate bulge is acceptable? How many bulge acceptable for api 650?

Hyundai,

1242

how to calculate bearing size with shaft

Vayunandana Power,

2 2178

define Adapter in centrifugal pump.

Kirloskar, SCL, Toyota,

1 3325

What are the criterias for selecting piping for different utilities services like cooling water, DM Water, Service Water and Fire Water.Please provide some technical literature on that.

DAE,

2 1503

At what principle Air Compressor Works?.. What are the rule governing air compressor operation:

DAE,

2 2010


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Un-Answered Questions { Mechanical Engineering }

why we are using mineral wool as insulation material than glass wool , in india?

792


We have fifteen year old CNC turning lathe,placed in dust proof room,recently giving control problems frequently.We are considering to retrofit it.Pl.brief me about various point I should consider for accessing the mechanical health of machine.

632


What are the causes of damage to propellers?

736


I heard that the acetylene cylinder pressure can't be brought down below bar while using for welding activity. Is it true. . If so pl explain why

1031


hi every one, i want to make a coal grinder to mil 3 or 4 tons of coal dust per hour . if you guys help me with photos or some tecnical drawings that would be very kind of you.

781






Action plan to closr NCR (NON COONFORMANCE REPORTS)

981


how can i identify various hose fitting threads

758


What is the critical speed. Compare the critical speed of hollw shaft and solid shaft.

1313


can anybody tell me whta kind of questions i may face in HPCL interview.(shardulbahuguna@yahoo.co.in).plz rpl.

1022


If anybody have the ref. design book of the 3 point cylindrical rolling with sheet thickness of 2.3 mm & 67 mm internal diameter legth of 80 mm

597


what are the application or secification (temp/presure)for which IBR pipes should be used?

837


safety of centeral chiller plant

738


how can we calculate the size of bearing with the size of plummer block?

1816


Plz, send me last 5 years Question papers with answers of JE RRB.

726


where i can get APPSC AEE(Mechanical Engg) previuos question papaers

1833