Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

if there is self ignition in petro engines then why is the need of spark plug in petrol engine ???

Velammal Engineering College,

1 1605

Pink city of india

VFJ,

4 1280

What is the function of rocker arm

HPCL, Engineers India Limited,

3 2119




what is bearing journal?

SCCL, CPCL,

4 2316

based on the recruitment program and the expected resumption date

Petromar,

407

what is the main differance betn id & fd fan

Engicon,

3 1836

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

Engicon, Rana,

605

Hoew to represent unilateral tolerance, as Bilateral tolerance in engg drawing...? Example: 1.295 +0.000 and -0.10, as unitolerance, write the value in bilateral tolerance?

657




1TR = 400 cfm How?

ASIT,

1 1379

What happened when Delivery valve closed and Suction valve open in centrifugal pump.(in running conditions)

KFCL,

3 3626

in regenrative cycle why to use two liquid(water&mercury) on steam genration cycle.

522

If beating no. Is 6205 described the the each no.

KFCL,

1 992

What is cavitations?How it is generated?

KFCL,

4 1967

What is snapring ?

CPCL,

2 1678

Enumerate some differences between an "orifice" and a "notch". Also tell if "jet" relates more to an orifice or a notch?

Variant,

2 5002


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Un-Answered Questions { Mechanical Engineering }

what is the difference between cold and hot spark plug? mention their place of use with justification?

1653


What are the characteristics of Freon 12?

1074


one kg of gas is compressed adiabatically from 1 kg/sq.cm,1 cubic metre volume and 300 kelvin to 5 kg/sq.cm,0.5 cubic metre and 400 kelvin.work transfer in this process will be

1663


How to shut down and overhaul the centrifugal pumps?

1395


Describe How much Record maintain store Keeper and Write use of the Records?

821






how to solved the crictical problems in d. g. set

719


Is your basic salary of $...... , good for you if employed?In case of any eventuailt,who is your next of kin?

442


What are the causes of troubles in boiler during operations?

717


) Shall be responsible for the inspection/ maintenance of all the yard Assets as per the Maintenance procedure and maintain/update the related records correctly

393


How should I begin a conversation that I need a change in the job to a known person in his organisation?

600


What materials are used for engine propeller?

774


have a clutchless car or bike clutch for power transmission???

759


My vendor filled liquid oxygen in our 11000 liter capacity tank. He filled from 1400 MMWC up to 3200 MMWC. I followed the provided conversion table and found that we had been supplied 1800 MMWC liquid which is going to yield 2815 cubic meter. On the other hand, the vendor claims that he supplied as follows:- 5236 cub mtr(3200 MMWC)-2124 cub mtr(1400MMWC) = 3112 cub mtr. I fear that he wants to charge 297 cubic meters extra. He claims that my method was wrong and his was right. He says that this disparity is because of the conical shape of the base of the flask. I will be thankful if somebody can explain me the truth.

1276


Dear Sir, I am Shariq Sami. I joined BHEL as a Supervisor Trainee in May 2009 on diploma basis, right now i am an assistant Engineer and posted at Noida. I have completed my bachelor of engineering from Jamia Millia Islami, New Delhi.I am Planning to appear for "BHEL ET" exam this year. I want to know,is there any previous year question papers will be available like we have for GATE exams or you feel it is no need? Can you please guide me? Kind Ragards M.S Sami, Contact No. 9891090742, 9250250988, 0120-2545796

896


The lowest allowable insulation resistance?

677