Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

What is the seal packing gland for turbine?

RRB,

1704

What is the flow of steam in an impulse turbine?

ABC Inc, RRB, Siemens,

1526

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

ABC Inc, RRB, Siemens,

1519

State the purpose of air heater?

ABC Inc, RRB, Siemens,

1 2858

How to operate soot blower boiler and economizer?

ABC Inc, RRB, Siemens,

1735

What do you mean by A.CC.?

ABC Inc, RRB, Siemens,

1451

What is the thermal efficiency of a diesel engine?

RRB,

1549

What is a blow down valves?

ABC Inc, RRB, Siemens,

2 3973

Give five parts inside the centrifugal pump and explain each?

RRB,

1 3060

What type of gear is the first reduction gear pinion?

RRB,

2395

List the main parts of Centrifugal pump

RRB,

1 2984

Enumerate the cause of pumps low delivery of water

RRB,

1538

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

RRB,

1 6715

How to shut down and overhaul the centrifugal pumps?

RRB,

2248

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

RRB,

1652


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Un-Answered Questions { Mechanical Engineering }

What causes diesel engine trouble when using heavy oil?

1678


What is the mathed of maintain oxizen level in a air tite A/c room.

1719


Distinguish between creep and fatigue.

632


what is the diffrence betwen primary pumps and secondary pumps in aircoditioning field

1591


What is the percentage of carbon in cast iron ?

638






What causes turbocharger surging?

1782


about induction motor

1513


How we make bend & diffuser from any pipe (it's equation)& how we mark in pipe....

1415


how you can define coal ?

684


Give five differences between suction and discharge pipes?

1632


At 50 Centigrade (Diesel oil) what is its cast?

1577


I have just joined mechanical engineering this year. I just wanted to know the names of the books which would improve my engineering knowledge and skills. Or isthere any other means to improve it?

663


Specific strength of materials is very high when they are in fibre size but lower when they are in bar form why ?

1198


sampile paper for dme in rrb exam

2484


what is the relation between pressure&veloscity? give me one practical example?

1471