Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Properties of F.O. the cause damage on auxiliary boiler.

RRB,

806

Device use to control flow rate of centrifugal pump.

RRB,

2 2062

What is the use of gravity disc?

RRB,

866




What causes damage to impellers?

RRB,

3 2097

Give the procedures in starting centrifugal pumps.

RRB,

738

How to stop a purifier?

RRB,

719

What type of pump is are commonly used in auxiliary boilers?

RRB,

728

Explain the operation of a centrifugal purifier.

RRB,

1118




How would you increase the volume efficiency of centrifugal pump?

RRB, Bhel,

665

"What is fuel oil viscosity, specific gravity?"

RRB, Blue Star,

734

What type of pump is lubricator pump?

RRB,

2 1875

Identify or enumerate the parts of stern tube

RRB,

643

Explain how to adjust pump pressure

RRB,

3 2596

What is absolute pressure

RRB,

3 2786

Purpose of stern tube sealing

RRB,

660


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Un-Answered Questions { Mechanical Engineering }

book name for the written test of rrb exam

1486


Explain why you consider yourself suited for the Position:

1204


my jindal interview is on 24th.. can anyone give me few tips regarding the same? lik how i shud prep

727


Hi! Greetings of the day. Can somebody tell me about as built duct sheet area calculation method. As we know that for this purpose A = (W+H)*2*L. But I have query about multiplication factors for elbows, tappers, offsets etc if there is any. Also refer the papers if available. Please revert. Thanks in advance.

534


please provide me the calculation for the thickness of duplex stainless steel pipeline thickness used in process industry ( Water). The details are given below. Diameter : 3" and 4" Thickness : 3.91mm, SCH40 Operating pressure : 62 bar Operating Temp : 35 degree ASME31.3

785






What ill be the shaft diameter with clearance having a bearing bore is 30mm?

1655


Where does Parallel flow heat exchanger use?

820


What materials are used for engine propeller?

774


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

810


HOW CAN WE MEASURE THE L SHAPE SURFACE OF THE MOMENT OF INERTIA AND SECTION MODULUS

595


what are the main challenges with solar energy system?

1011


sir, please send previous years RRB junior engineer (mechanical) exam papers

1053


please inform about the date of exam of hpcl for fresh engineers recruitment in mechanical stream?

850


what is the procedure getting road permit form online

363


HOW TO PREPARE FOR HPCL WRITTEN EXAM?

2359