Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

why do we require cooling towers in case of water cooled chillers?????

2 3277

is it necessory to use heat exchanger in case of water cooled chillers & cooling towers?????

3 2532

plz anyone provide me the sample test papers of ONGC as of i m from Mechanical engg bakground and would be appearing for the test in the june 2010. My email id -



what is vacuuming in air conditioning and why we do it.


3 3722

when do we use roller bearing, deep groove ball bearing, angular bearing, sealed bearing, semi sealed bearing, unsealed bearing, anti friction bearing, journal bearing, thrust bearing


sir i have completed diploma in mechanical engineering in 2006 i have one year experiance in maintenance field but i want to know how can we success in maintenance field fastly

1 1872

sir plz tell me what is the basic concept of mechanical maintenance

HPCL, Bhel,

2 5873

how to masure rake or helix angle of drill ?


why are you want to join our company?


16 7393

Write the relation between EER , COP , SEER in airconditioning?


1 5549

why machine is required

12 5430

How to calibrate Vacuum Gauges if you don't have any standard gauge available with you? please suggest procedures for calibration of Vacuum gauge like pirani gauge ,cold cathod gauge,thermocouple gauge without any standard gauge.


I am a mechanical student.And have cleared the written for NTPC. Please suggest what and how to prepare for the interview.i have got only 2-3 weeks in hand.


Lowest temp in vapour compression cycle in :(Ans:Expansion devices) Contineous welding is type of :(Seam Welding) refrigerant in domestic Refrigerator:(R 134 A) Lowest critical temp of refrigerant:(Freon) Statement....this is law) Ratio reynold no to prandtl no is:(Pecelent no) if welding is done from right to left then what is the name welding:(Not known) slip gauges are made up of:(alloy steel) clearence between meeting surfaces is due to which gauges: question on rubby laser,rake angle,heat treatment processes,joules law,bell coleman cycle like a/c works on which cycle?



I am a mechanical student.And have cleared the written for NTPC. Please suggest what and how to prepare for the interview.i have got only 2-3 weeks in hand.



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Un-Answered Questions { Mechanical Engineering }

how to change numbering in SAP script i.e. i have 1245.00 now i want to specify in word in script i.e. one thoushand and fourty five rupees.


What is Rig floor..?


Why head of a centrifugal pump is independent of density of fluid?.


generally how much percentage is required to sit in exam of PSU'S for mechanical engg. candidate (general category)


draw diagram of automobile,its working function,purpose of differential?


What causes friction in the cylinder?


explain the mixture requirement of si engine to meet the demands of various operating condition?


dear sir i want also last five year rrb chandigarh and allahabad aptitude test question and their answered my id is


Working Detail of enging?


what is fullform of ge 9ea gas turbine


respected sir, i had applied for the post of GET for JSPL so kindly send me the syllabus and exam pattern for the concerned examination. my mail id: thanking you sir


What is meant by hybrid vehicles?


What are the procedures in paralleling D/G?


If anybody has placement papers for igl , plz send to me as soon my exam is on 12 Jan. My mail I'd is


Tell me how you are ready to comply with the employment rules and regulations if your CV is considered for employment?