Mechanical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

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

RRB,

1943

Device use to control flow rate of centrifugal pump.

RRB,

2 4112

What is the use of gravity disc?

RRB,

2384

What causes damage to impellers?

RRB,

3 5135

Give the procedures in starting centrifugal pumps.

RRB,

1957

How to stop a purifier?

RRB,

1961

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

RRB,

1891

Explain the operation of a centrifugal purifier.

RRB,

2363

How would you increase the volume efficiency of centrifugal pump?

Bhel, RRB,

1879

"What is fuel oil viscosity, specific gravity?"

Blue Star, RRB,

1958

What type of pump is lubricator pump?

RRB,

2 4068

Identify or enumerate the parts of stern tube

RRB,

1839

Explain how to adjust pump pressure

RRB,

3 5445

What is absolute pressure

RRB,

3 5935

Purpose of stern tube sealing

RRB,

1848

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Un-Answered Questions { Mechanical Engineering }

Define thermal conductivity.

1145

what is the meaning of MIN MAX?

1868

What will cause if you run your engine in critical RPM continuously?

2228

what is the calculation of selection ofan capacity is 12000m3/hr.

1995

Explain the hooke`s coupling.

1063

What are the thermal conductivity properties of brass?

1056

Study the attached ACS 790 AHU and boiler GUI and refer to the video on the software usage, catalog and the step by step document (page 9) to perform the following task: List in a table form the controllers and all their connected I/O for the boiler and the AHU.

1371

Why can't we use antifrictional bearing in place of journal bearing in a 660mw plant

1957

What are various types of brakes?

1025

What instrument in a car measures its speed?

1153

what is over ball dimmention? why it is required? what is used in machining?

2383

What are the advantages of white metal?

2042

Why air is not used to run the turbine?

1901

Why PWHT IS NOT DONE TO STAINLESS STEEL MATERIAL?

6419

What is Lap welding?

1119

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