Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Which turbine, high speed or low speed is efficient to generate 30MW power? or High RPM machine is more efficient or low RPM?

HMT,

1 2617

if it is possible for the air conditioner to maintain the temperature of 20 degree Celsius when the atmospheric temperature is 10 degree celsius

4 2764

How many type's of bearings.

HEG,

11 6179




what is the pressure and how to calculate it?

Virgo,

2 2387

The range of mechanical efficiency for automobile engines is.................... A.70-80% B.90-100%

2 5591

whether supercharger is used in si engine or not?if it is used then at which destination?

1 2444

id fan impeller vane direction &rotation direction

1 3325

how much power consumption takes for 2tr split a/c per one hour

3 2392




TRANSACTION CODE FOR GR/IR ACCOUNT CLEARING WITH POSTING DATE OF GR (MATERIAL DOCUMENT POSTING DATE)TO CHECK ACTUAL CLEARING GR/IR CONTROLLING ACCOUNT

1 1422

Procedure of boiler commissioning part by part

1 2155

in a centrifugal pump .. when we close the delivery valve partially .. does this increase the pressure before or after the valve .. and why ??

1 2013

in a centrifugal pump .. when we close the delivery valve partially .. does this increase the pressure before or after the valve .. and why ??

4 4547

what is difference between (pressure and stress), (sencitivity and efficiency) .

Bosch,

7 5986

what is the minimum gear ratio?

Bosch,

3 5682

4 = S in R

Eicher,

1 2081


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Un-Answered Questions { Mechanical Engineering }

A simple problem involing in hoops stress. For sphere: M= [3/2]*p*V*[density of pressure vessel material/Maximum working stress it can tolerate] For Thin walled pressure walls: Hoops stress or stress in the radial direction =p*r/2t ?

1051


How would you increase the volume efficiency of centrifugal pump?

746


Question for mech.engineer in dmrc

716


How do you detect starting valve leaks?

681


what is the difference between under vacuum & under pressure boiling?

923






What is the steam consumption formula?

2244


i am from karnataka can i able to apply appsc

1084


why have u choose this ME-engg design department

899


what will happen if petrol engine make to run with diesel

338


"In a four-stroke diesel engine, In what engine exhaust valve will open?"

586


What causes turbocharger surging?

1327


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?

621


Sir, I'm P.Ravi Kumar want to previous mechanical Question Papers for rrb exam

732


AFTER OVERHAULING KTA19G3 AND JUST ABOUT TO START ,BUT WE DIDNT FIX THE OIL SUMP AND TEST FOR -WATER LEAK FROM LINER O RING SIDE,THEN WE FILLED WATER AND FOUND WATER LEAK FROM INSIDE OF ENGINE -CAM FOLLOWER SIDE PLEASE GIVE ADVICE TO RECTIFY THE SAME

600


what is the difference between anf & centrifuge?

1292