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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what is the techanical difference between german standard & japanese standard.

1250

what is the difference between shaft vibration and bearing vibration?

1 2834

What is the difference between Gas Turbine and gas engine in Gas Power plant ?

NTPC,

11 21625

What is the advantage and disadvantage of IS 2062 Gr A over IS 2062 Gr B & C

TATA,

3 8850

What are the ASTM materials used to manufacture boilers?

1222

Why we are cooling screw pump as + displacement pump?

3 3365

what is thermocouple

MAHINDRA,

8 5912

Which technology is better for designing an STP system in a Commercial Mall. 1) SAFF (Submerged Aerobic Fixed Film) or 2) FAB (Fludized Aerobic Biological ) or 3) Some other.

BARC,

1293

What is "the best answer" if any one don't know the answer of any question asked y interviewer?

5 4424

application of two stroke engines

4 4453

Type of Maintenance (Tell all in brief)

Adani, Usha Martin,

11 9125

i have completed b.tech from mechanical engg so plz send me some question paper for entrance exam

Shipping Corporation of India,

1385

Abrasion is a cause of the gear failure form

1 2703

what difference between centrifugal and reciprocating pump.

5 16360

what is the difference between dross and scale?

Hindalco,

1 4008


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Un-Answered Questions { Mechanical Engineering }

Hello i want to design a portable 1/4HP pressure washer pump like elgi reciprocating pump which are being used in service station.what are the design aspects to taken in to consideration for making new pump.

1161


. What is a magnetic valve of refrigeration system?

1122


Which welding process uses non-consumable electrodes?

195


in aviation, How does control valves work?

1034


In a four-stroke diesel engine, In what engine exhaust valve will open?

1173






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 !

953


What are some examples of a periscope?

255


What is the normal vacuum pressure in a steam turbine atmospheric condenser? What would cause the press to falls?

1172


What is the difference between stalling and surging in rotary compressions ?

238


Horse power of i.c. Engines can be expressed as rac rating, sae rating, or din rating. To which countries these standards belong ?

225


how to calculate air load of a existing/ new plant before installing a air compressor.

1150


List the different devices and components of main switchboard.

1575


What are the benefits of cycloidal gears?

235


what is the basic need for designing the bottle filling machines

1422


What is the formula to determine the speed of induction motor?

1052