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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

What is the seal packing gland for turbine?

RRB,

1229

What is the flow of steam in an impulse turbine?

ABC Inc, RRB, Siemens,

1066

What will happen if you blow the soot in the boiler?

ABC Inc, RRB, Siemens,

1098

State the purpose of air heater?

ABC Inc, RRB, Siemens,

1 1978

How to operate soot blower boiler and economizer?

ABC Inc, RRB, Siemens,

1272

What do you mean by A.CC.?

ABC Inc, RRB, Siemens,

988

What is the thermal efficiency of a diesel engine?

RRB,

1050

What is a blow down valves?

ABC Inc, RRB, Siemens,

2 2966

Give five parts inside the centrifugal pump and explain each?

RRB,

1 2396

What type of gear is the first reduction gear pinion?

RRB,

1844

List the main parts of Centrifugal pump

RRB,

1 2263

Enumerate the cause of pumps low delivery of water

RRB,

1120

What type of pump is main L.O. pump?

RRB,

1 5813

How to shut down and overhaul the centrifugal pumps?

RRB,

1785

What is the specific gravity or relative density of fuel oil?

RRB,

1228


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Un-Answered Questions { Mechanical Engineering }

Draw the flow of F.O. diagram from service tank to Main Engine?

1421


What do you mean by the term thread size?

185


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 ?

1773


How to check temperature controller?

1242


If you have a valve with an applied pressure, how do you determine the stress to the closed and open valve?

1022






Define a positive displacement pump?

154


How many types of fits are there?

235


What is a turboprop engine?

211


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

988


Explain how fast is a jet plane?

165


where can i get railway junior engineer(mechanical) previous years question papers?

2315


how to calculate bearing width

699


Causes of F.O. Purifier abnormal flow?

1003


What is the boiler bank position?

1535


What is the purpose of turning gear

1077