In a Waste heat recovery boiler feed control valve is after the economiser where as in auxilary boiler feed control valve is given before the economiser.why?

2 Answers  

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What is the purpose of thrust bearing?

1 Answers   RRB,

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In case of AHU ,how to arrive at chilled water USGPM of the AHU in case the AHU CFM is given. Can some HVAC genius please advise.

3 Answers   SR,

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wat is the need to run a machine without feed???

1 Answers  

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alignment formulae for any two shafts for shim correction

0 Answers   Telcon,

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can aluminium be welded?if so say the type used for it?

4 Answers  

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heat transfer by radiation can be increased by?

7 Answers  

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how can we calculate boiler capacity?

4 Answers  

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what is differnce b/w comprresure and pump

4 Answers   Engro, HPCL, HVAC, ISAT,

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why the reaction turbines are not exposed to atmosphere? and why the impulse turbines are exposed to?

0 Answers   TATA,

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pl convey me the procedure to get the vat and cst no. i am going to start trading cum manufacturing of grain handling equipments.

0 Answers  

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my dad is refused 8 times in visitor visa? now my dad wants to go usa only? tell me what he can do? whats the reason?

0 Answers   US Consulate,

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