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

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

What is the difference between induced draft cooling tower& natural draft cooling tower?

2 6315

what is the Tensile strength of M6 Screw

2 5007

How we can find out duct area from CFM?

Emirates,

1 4686

what is the significance of line of action in gear?

2182

different beetween blower and compressor

ACC, Mando,

5 8671

Tell us how do you discharge your duties in your duty post

IES, Power Plant, Tata Teleservices,

5761

which tests are performed in central air conditioning

Blue Star,

2099

what is the Tensile strength of M6 Screw

1 4357

in a pump, impeller wear ring is harder or casing ring? why?

Mold Tek,

2726

can a horizontal mount motor be used vertically?

2 5246

If anybody have the ref. design book of the 3 point cylindrical rolling with sheet thickness of 2.3 mm & 67 mm internal diameter legth of 80 mm

1871

what is the difference between run out and ovality

1 18092

Defference between tapper & ovality

3 14715

about induction motor

2067

What would be the COP of a chiller having capacity of 750 TR and IKW is 0.6 KW/TR

2 4229

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Un-Answered Questions { Mechanical Engineering }

Name the safety devices of diesel engine?

2014

why the path of a satellite is always elliptical with earth not at the centre of the ellipse?

3164

Will a steel cable become longer if it is heated while under load?

1293

Classification of bunkers?

2271

DURING STEAM BLOWING OF PIPE LINE, A BLUISH COLOR CONICAL PATTERN IS OBSERVED AT THE END OF PIPE. WHATS THE CONCEPT BEHIND IT?

2405

sir/ madam i m apearing to rrb bhubaneswar for entrans exam please i want a help to get thruogh this

2236

Why rate of condensation is higher on a polished surface compared to rusty surface ?

1443

How will you size a pipe?. What is Darcy's formula?. From where you will get friction factor "f" ?. In darcy formula substitute f = 16/Re and now you see hf proportional to V instead of V square. How do you explain?.

2333

What valves are fitted in a four-stroke diesel engine?

1901

what is the minimum velocity of cooling water for maximum efficiency of condensor.

2233

Please anyone send me previous papers of ONGC (Mechanical Engineering) at my email id jtndrkmr.vermaapril@gmail.com. Please help me.

2200

relate the frequency between feed water treatment & blow off

2266

Define pitting.

1171

WHAT ARE EARTH MOVING M/CS? WHAT IS BATCHING PLANT? WHAT IS HYDRAULIC JUMP? WHAT IS TIPPER (EARTH MOVING M/C)?

2809

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

2071

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