Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

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

2 3332

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

3 2588

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 - neeraj_94312@rediffmail.com

TATA,

620




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

intex,

3 3786

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

678

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 1913

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

HPCL, Bhel,

2 5941

how to masure rake or helix angle of drill ?

1182




why are you want to join our company?

TATA,

16 7531

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

MGL,

1 5672

why machine is required

12 5582

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.

1337

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.

643

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:(Avagadros 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?

Hitachi,

975

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.

IFFCO,

687


Post New Mechanical Engineering Questions






Un-Answered Questions { Mechanical Engineering }

Is it ABS AH 36 material equivalent to IS 2062 Gr B material.

15823


How much pressure on air reservoir?

573


what is pulverisation

13634


in the design of a rack and pinion with the pinion having a pitch of 4in and a teeth number of 45,how many teeth should a rack of length 196.850in have

913


What is the sensitive part of the liner

828






What is an expansion valve and its purpose?

614


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

1796


what happens at an equipment buyoff?

1089


how does a generator work?

623


What are the requirements of a good fuel?

761


what is the calculation of selection ofan capacity is 12000m3/hr.

604


What are the causes of turbine vibration

644


What is the indication of leaking starting valve of an engine?

777


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

942


please briefly explain the Discharge process and Formula of Centrifugal Pump

701