Answer / g.l.nepalia

The evaporation rate of water in drum reduces whereas feed rate of water in drum remain unchanged

Answer / randhir singh yadav

In boiler drum level depends on steam pressure, when one of the running coal elevation suddenly tripped, steam pressure decreases, so drum level increases.

Answer / vinoth.s

This is know swelling effect of the boiler drum.
Due to sudden decrease in steam pressure due to tripping of
coal elevation.

Answer / ns satyaraj

when any coal elevation trips ,heat input to boiler reduces, so evaporation rate reduces and steam pressure reduces and water feed remains same ,so drum level increases

Answer / dileep

Due to coal mill tripped Drum pressure gets reduced and saturation temperature of water will be low corresponding at that drum pressure .due to this water gets flash over.due to this drum level increasing.

Answer / ril

feed water remain unchanged incase of cascade system if it is in single element drum level will be unchanged

DCS marshaling Cabinet Power supply can be replace during plant running time? Answer Yes it is possible. I am talking about the controller and cards power supply modules. They are always redundant and connected through diode so that if one power supply fails the other can take the charge immediately.so it is possible to replace one of them in running plant if the other one is healthy. MY question is how switching done.

0 Answers  

how to differentiate between "ALL fuel lost" and "All Fuel Lost" in Boiler MFT condition?

0 Answers  

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

3 Answers   NDFL,

What is the over speed in turbine? What is critical speed?

3 Answers  

Calculating Seawater consumption for SWFGD system

1 Answers   Student,

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

4 Answers  

Due to the sensitive earth fault Our Power plant Get Tripped Several Times, It happens in the morning time daily, When temperature rises that means sun rises the earth fault current get lower, in this situation What should I do to get rid of this Problem?

2 Answers  

What will happen if the Air Preheater is placed before the Economiser?

6 Answers   Bhel, KSPL, Tata Power,

what is interview question for power plant

3 Answers   Emerson, IOCL, SBPIL,

what is significance of canister vent in condensate extraction pump & difference between vacuume balancinf line & canister vent

3 Answers   NTPC, Tata Power,

Difference between directional earth fault and non-directional earth fault

2 Answers  

In a coal fired boiler furnace temp. is high but super heater out let temp. low what reason for this?

6 Answers   ABB, Essar, Gayatri,