Two pumps connected in series , what will be the shape of QH curve ?. What will be the shape if they are in parallel.

1 Answers   Ferrari, IGCAR,

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What is the effect if tour refrigeration system has an air?

1 Answers   RRB,

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what is the difference between c.o.p. And efficiency. Why c.o.p of heat pump is greater than refrigerator

4 Answers  

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What are the different types of pumps? and their usage.

0 Answers   John Deere,

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Dfine the density of plastic?

0 Answers  

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DEAR Friends, If you any of them have previous placement papers or interview papers...plzz forward it to my mail id. "rajeevasv@gmail.com"........... Tank you

0 Answers  

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what is the composition of cement?

2 Answers   ACC,

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What is diffrence between star & delta connnection in practical situation in submersible pump?

0 Answers  

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I want technical questions of previous reqruitment examination

0 Answers   Jindal, RRB,

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In a 4 cycle engine the intake valve begins to open at?

2 Answers   RRB,

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What is function (in details) room sensor and tube or coil sensor in HVAC system?

0 Answers  

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what is the difference between transformer welding machine and rectifier welding machine?

2 Answers  

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