Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what is the effect of steam turbine control valve throtting in turbine efficiency.

3 6992

WHAT WILL HAPPEN IF RELIEF VALVE IN HYDRAULIC SYSTEM FAILS?

4 5988

by having a backlog in 1 sem mean that i will have astar in my certificate

1 1361




What is a purpose of slow firing before commissioning of bagasse based boiler. and what is the water requirement for make up?

1 8712

what is p11

5 7154

How do you weld 25 mm thick plate?

Bhel, Essar,

11 10999

What is the Full form of AIF in Compressors ?

MAHINDRA,

5 5619

how can calculate COP?

5 3800




a partical throw a 30 meter hieght after 2 sec another particle thwough same velocity & mass . what is the place they are meet each other in space.

2 1868

what is turbo machine

L&T,

9 9721

which engine is produced more pollution than other petrol or diesel?

GWJ,

10 6594

diffuser increases pressure but in turbine pressure is decreasing when steam passing through casing?

NTPC, MAHINDRA, Qatar Gas,

5 5153

we use parallel flow heat exchanger to coo oil of 1000 EP viscosity,oftenly tubes may damage during cleaning etc what is proper way to clean cooler? How impurities decreased or vanished during working or in less teme job performed?

607

please give me the ans. of following mcq A nozzle is a device which: (A) Increase pressure & reduce kinetic energy (B) Decreases pressure & increases kinetic energy (C) Reduces both pressure & kinetic energy (D) Increases both pressure & kinetic energy

7 5547

if the refrigeration door is kept open in a room what would happen in room temperature?

L&T, Emerson,

19 14322


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Un-Answered Questions { Mechanical Engineering }

SIR, PLZ GIVE ME INFROMATION FOR WRITTTEN TEST AND PI IN ISRO AHMEDABAD (MY MAIL ID:-ppdave@yahoo.com)

739


What is a torque converter?

827


Electrical symbol

631


What is the purpose of air blow?

648


what is the job responsilties of Sr. engineer in QA/QC deptt.

697






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.

686


can i see mahagenco exam model question paper?

973


What is a brake horsepower?

706


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?

600


what is the advantages and dis advantages of critical speed of turbine.

705


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

646


what is the thickness tolerances up to 32 mm

743


What are the typical indicator diagrams?

742


what is routh,s law in thermal engineering ?

968


i need iocl model aptitude question papers soon as possible .so pls 4wd it to m id akakil1820022gmail.com

813