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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Where does Parallel flow heat exchanger use?

Bhel,

1234

how buoyancy force is realte with convection?

1053

WHAT IS THE UNIT OF ROUGHNESS

1 3459

WHAT IS THE MAGNITUDE OF HARDNESS OF DIAMOND .

2 4205

what is mean by Shrink fit & Press fit

1 3020

What is IS standard in case of mode of measurement for ducting

1207

how to convert mechanical pressure of hand into rotational motion

1 4305

Dear all, Will some one help me in this issue please? We are entering the Zero Stock Component in Maintenance Order, and we make a Check when the order creator is going to release system will appear Error, until he will not delete that zero stock components from the Maintenance order. but right now what the order creator is not releasing the order but he is going to save order, when's he save the order without release system will generate Reservation in the back ground, which should not happen for Zero Stock Components ? I need the way which we are doing in MB21, Reservation creation by thru Cost Center / WBS Element. At present if you run MB21 and you are going to issue the material system will not allow to generate the reservation if there are zero stock components in the list. please guide me for this issue ? Note : Simple what I need is I don't want to create any reservation thru maintenance order for the Zero Stock Components. Regards, Abdul Mujeeb

Saudi Ceramics,

966

What is the difference between Maintenance Order and Production Order. the point is i want to know the affection of Movement type 261 thru maintenance order and Production order. if i change any settings for Maintenance order it will affect to production order process also for 261 movement type ?

Saudi Ceramics,

1640

what is the total power generated in india and in world?

Essar,

1 2691

Can you explain,what is entropy?Also tell us what happened in terms of ENTROPY when you give heat to a sealed tube containing half of water?

IFFCO, NTPC,

5 7698

How to calculate the moment of inertia for a circuit board?

1 2532

Is there a lower limit to the gland surface finish for static O-rings, gaseous system? surface finish table lists 0.41-0.81 micro-meters for static gaseous systems. What is the drawback of using a smoother surface finish lower than 0.41?

990

Why the gear drives said to be power transmitting device?While it transmitting motion only.

Infosys,

2 4706

what is the working principle of a vibration meter?

NPCIL,

4395


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Un-Answered Questions { Mechanical Engineering }

How do you calculate cooling energy?

238


Reason why we should avoid low speed running generator?

1070


Name the device which converts sound energy into mechanical energy?

181


What is meant by newtonion and non-newtonion fluids?

222


What are the causes of I.O. high temperature in a diesel engine?

1056






Explain the applications of ferrite material?

229


What is meant by gray body?

232


How do you control cylinder liner wear?

1057


Who built the trans alaska pipelene?

237


Greetings This question is about hydraulics and I request an expert to answer it. A simple hydraulic machine is made up of two heads, a larger one with a larger force inside a wider pipe and a smaller one with a smaller force inside a smaller pipe in width as in the second picture on this link: http://science.howstuffworks.com/hydraulic1.htm The question is this: what happens if the smaller head and the smaller force doesn’t exist but the smaller pipe is high enough to take all the liquid? For example the larger head is 1.00 sqr metre and can go down 1.00m under a weight of 100.00kg. The cross sectional area of the smaller pipe is 0.001 sqr metre. Now when the larger head goes down 1.00m, how high the liquid from the wider pipe can go into the smaller pipe of the cross sectional area of 0.001 sqr metre? Regards

1175


What are the causes of boiler backfire and steps in how to prevent it from happening?

1089


SIR, ME AND MY FRIENDS(MECHANICAL ENGINEERING STUDENTS) PLAN TO GO TO CHENNAI FOR INDUSTRIAL VISIT. MAY I KNOW HOW TO CONTACT THE MAJOR INDUSTRIES, PROCEDURE FOR HAVING A VISIT THERE, AND OTHER DETAILS. COULD YOU PLEASE HELP ME

1058


What are the things needed to have an efficient boiler burning?

1201


Who all falls under the Perview of Excise Duty, we mean who has to pay the Excise Duty, eg: does all mfrs have to pay ED or who has high turnover they should only pay ED, if yes that what is the Turnover limit?

972


can any one pls refer me any sites which have notes regarding Body-in-white(welding fixtures)...pls

1136