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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Causes of dilution of lubricating oil in a steam turbine?

ABC Inc, RRB, Siemens,

975

Explain briefly- good combustion of auxiliary boiler?

ABC Inc, RRB, Siemens,

1 1460

Method of testing or checking boiler water?

ABC Inc, RRB, Siemens,

2 2761

What is mean carry over of Aux. Boiler?

ABC Inc, Indian Sucrose Limited, RRB, Siemens,

1040

What are steam turbine parts usually come into damage?

RRB,

1008

Why must we pay attention when we drain steam in steam turbine. What factors are observed?

ABC Inc, RRB, Siemens,

1022

What type of pump use in boiler F.O. system?

Apollo, RRB,

1028

What parameters to be reported when we send lubricating oil for shore analysis?

RRB,

1004

"In boiler, what does steam and smoke goes out to the funnel. What reason?"

ABC Inc, RRB, Siemens,

1012

Where can you find the feed check valve and feed stop valve and give the purpose of it?

RRB,

1 2058

What are the causes of troubles in boiler during operations?

ABC Inc, RRB, Siemens,

1069

Give the purpose of nozzle in impulse turbine?

ABC Inc, RRB, Siemens,

2 2429

What s gland sealing steam?

RRB,

923

How to prevent back fire of boiler?

RRB,

968

What is the used of economizer in boiler?

ABC Inc, RRB, Siemens,

1 2467


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Un-Answered Questions { Mechanical Engineering }

Which is the best option for maintaining water level of Boiler 1)Float type air break switches(well known as Mobry) or 2)DP type transmitter? Please explain in detail !

890


Explain the formation of micro structures of pearlite, bainite and martensite in steel?

173


What is the most basic characteristic of supercritical boilers?

157


Why cad cam is better field against IT field?Is the salary is good in this field and if it so then what is the average salary in this field because I don;t think that salary is good enough in this field.

967


what are the application or secification (temp/presure)for which IBR pipes should be used?

1131






What is iiucr in relation to petrol engine ?

197


Tell me how much water pressure will come from gravity feed tank, which is 10 metres high?

138


HOW TO calculate steam velocity on boiler o/l ?

1240


What are the compressor and types?

151


why we use kg/cm2 instead of kg/m2 as a unit of pressure. As we know kg is a MKS unit and cm is a CGS unit. So why we use combination of both(kg/cm2)while describing the pressure.

7808


how to identify the odd man out in the arranged particular type of object

1185


can i use IS 2062 gr B pipes in the softening plant pipings?

1181


what is lube oil cons./hours in diesel engine ???

557


How Much static pressure as per NFPA standard is required in the hydrant line?

705


Explain the rule to find specific heat of aqueous solutions.

179