Interview Questions Answers in Mechanical Engineering, English

Question { 6022 }

What type of pump is lubricator pump?

Answer

Plunger Pump, Gear Pump.

Is This Answer Correct ?

0 Yes

0 No

Question { 4858 }

What would happen if there is air in fuel oil?

Answer

Presence of air in fuel oil: It will lead to Airlock in system. It will moisturize and contaminate the fuel.

Is This Answer Correct ?

1 Yes

0 No

Question { Omega Healthcare, 11062 }

I can speak in english, but i did speak correct sentance
formation. How can i correct it ? Please give Ans.

Answer

No need to correct.
Note the word: did not din't

Is This Answer Correct ?

7 Yes

4 No

Question { 18006 }

what difference between centrifugal and reciprocating pump.

Answer

In general: Centrifugal pumps are volume oriented (Flow).
Reciprocating pums are Pressure oriented (Head)

Is This Answer Correct ?

19 Yes

2 No

Question { 7671 }

what is NPSH ?

Answer

NPSH - Net Positive Suction Head - It is an Algebric sum of all heads available at suction eye of an Impeller.

Is This Answer Correct ?

2 Yes

0 No

Question { Maruti Suzuki, 10339 }

What motivates you to do a good job?

Answer

Self Confidence and Development.

Is This Answer Correct ?

0 Yes

0 No

Question { 3371 }

i have completed BE mech in 2009. i have not tried for job
for 1 year.so wat should i tell the interviwer wen he ask
wat i did for one year(wen i did nothing for one year)

Answer

If You really did nothing for one year, then be polite &
tell the truth. DO NOT LIE. This Lie will definitely give
very bad impression.

Is This Answer Correct ?

5 Yes

0 No

Question { Maruti Suzuki, 76480 }

What is a function of Turbo charger in diesel engine

Answer

In high speed enines or the engine operates at high
altitude, the air intake is not sufficient to meet the
compression ratio. Turbocharger is to push more amount of
air in to cylinder to meet compression ratio.

Is This Answer Correct ?

42 Yes

11 No

Question { TATA, 6417 }

how i can calculte the lenght of a ring dia 27 mm.

Answer

πD - where D is a mean dia. Do not calculate with 27mm.

Is This Answer Correct ?

0 Yes

0 No

Question { TATA, 28249 }

what is the difference between a boiler and a pressure cooker?

Answer

1. Boiler has only Safety Valve. Pressure cooker has Safety
valve & Relief valve.
2. At constant pressure, Volume of steeam can be varried in
Boiler. Whereas in Pressure cooker volume is constant.

Is This Answer Correct ?

31 Yes

9 No

Question { 7005 }

What is the diffrent between centrifugal and positive
displacement pump

Answer

In general:
centrifugal pumps are Flow oriented.
Positive displacement pumps are Pressure oriented.

Is This Answer Correct ?

4 Yes

0 No

Question { 4229 }

what is the diffrent between centrifugal and positive
displacement pump?

Answer

Centrifugal Pumps are Flow oriented.
Positive displacement pumps are Pressure oriented.

Is This Answer Correct ?

1 Yes

0 No

Question { NEPC, 1834 }

what are the essential things for the power plant

Answer

Thermal Power Plants:1.Fuel, 2.Combustion Air, 3.Feed Water.

Is This Answer Correct ?

0 Yes

0 No

Question { RRB, 1718 }

What is a brake horse power?

Answer

A: It is the actual Output of an engine (neglecting all losses) @ BHP=IHP-FHP. It is used for engineering calculations.

Is This Answer Correct ?

0 Yes

0 No

Question { RRB, 3686 }

What is the purpose of a turning gear?

Answer

The role of turning gear in Steam Turbine: To rotate rotor in low speed for the following purposes: 1.To Warm Rotor uniformly before start up. 2.To Cool Rotor uniformly after shutdown. 3.To reduce the initial Torque during start up.

Is This Answer Correct ?

0 Yes

0 No

abdul hameed