what is the difference between Positive displamcement pump and centrifugal pumps?

1 Answers  

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What is the power requirement of a refrigerator?

0 Answers  

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if any one who attended the caterpillar interview please send me the sample questions and the areas from which questions are being asked...

0 Answers  

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Which pipe should I use SAW, ERW or seamless if I have the following constraints I have to transport methane gas Size is 8” Corrosive environment Sulphide is present Also tell the cost comparison

0 Answers   SMEC,

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what is the viscosity of hydraulic oil?

1 Answers   ONGC,

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min work in a compresor is possible when the value of adiabatic index n is equal to a).75 b)1 c)1.27 d)1.35 e)2 what is adiabatic index.

1 Answers  

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

9 Answers   TATA, Tech Max,

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What is ment by horse power ? Define Method of calculation?

3 Answers  

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Why the gear drives said to be power transmitting device?While it transmitting motion only.

2 Answers   Infosys,

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Hi any one can help in preparing for BHEL ET exam in mechanical stream? I like to know the the question paper pattern fro the same. regards, Jose 9841327666 josevinoth@yahoo.com

0 Answers  

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State newton's three laws of motion.

0 Answers  

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difference between steam hammering and water hammering

5 Answers  

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