Answer / randhir singh

To provide isolation from vibrators & to reduce thermal stress between hopper and vessel.

Answer / jitendra sharma

The purpose of expansion below is to provide isolation from
vibrators which are mounted on the surface of the vessel.

Their are several no's of vibrators, to remove the fly ash
contents before it's temperature decreases to prevent
solidification of fly ash on the walls of vessel.


All u know that we remove the fly ash from boiler tubes and
APH with help of soot blowing.

under which situation or why restricted earth fault protection operates in out side its zone that is external fault

2 Answers  

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why airtel use + 24 volts and other operators use -48 volt

0 Answers   ABC, Airtel, INDUS, Reliance,

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what is the trip circuit supervision in an electrical meaning?

0 Answers   IOCL,

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why high pressure heater will take after sufficient pressure? what happen when high pressure heater will take from COLD REHEAT line at light up time when hp and lp by pass in service.(means can we heater take at low pressure?)

2 Answers  

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.What is drip and drain.

2 Answers   NPTI,

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what is the relation between the grid voltage and generator voltage how to link up generator with grid

3 Answers   NDFL,

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how many safeties should be present in boiler?what are they?

4 Answers   DN, Nandi, Pump Technology, Siris, Thermax,

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What is wheel chamber in steam turbine?is it impulse blades are called wheel chamber in the steam turbine?

1 Answers  

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What will happen if id fan on boiler not functioning?.Can the Boiler run without id fan? What is the effect?

4 Answers  

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In one plant id fan and fd fan are used for boiler. boiler is used to heat water after some days they install one tank to heat water by hot flue gases coming out from boiler and then hot flue gases are used to heat the air coming from fd fan before leaving out from chimney . but hot flue gases are not coming out from id fan what might be the reason?

3 Answers   TATA,

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Is it not bad to bleed steam from turbine stages before utilizing its energy.

2 Answers  

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what is restricted earth fault explain in details

0 Answers   Greenko, JSW,

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