The scales formed inside the boilers are chemically?

The scales formed inside the boilers are
chemically?
by

1 Answer

Answer :

Calcium carbonate
by

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What are different types of Steam boilers used in Thermal Power Plants?

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Pick out the wrong statement. (A) Caustic embrittlement of boiler's metallic parts is caused by highconcentration of caustic soda in boiler feed water(B) Cooling and freezing of water kills the bacteria present in it(C) With increasing boiler operating pressure of steam, the maximumallowable concentration of silica in feed water goes on decreasing(D) Dissolved oxygen content in high pressure boiler feed water should benil

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Induced draft fans provided in large thermal power plant boilers have __________ blades. (A) Forward curved (B) Backward curved (C) Double curved (D) Radial or straight

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State some advantages of fluidised bed boilers?

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Write about fluidised bed boilers?

Description : Write about fluidised bed boilers?

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Write about waste heat boilers?

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Name important high pressure boilers?

Description : Name important high pressure boilers?

Last Answer : • La Mont boiler • Benson boiler • Loeffler boiler • Velox boiler.

State important advantages of high-pressure boilers?

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Last Answer : • The amount of scale formation is less, since the velocity of water through pipes are more. • All parts of the system are heated uniformly, so there is no danger of overheating.

What is the main purpose of high-pressure boilers?

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State Some Advantages Of Fluidized Bed Boilers?

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Last Answer :  Any type of fuel solid, liquid (or) gaseous fuel (or) domestic and industrial waste can be used in FBC system. Any type of combustible matter can be burned by adjusting the factors as size ... .  High combustion efficiency.  The solid fuel need not be pulverized in fluidized bed boilers.

Write About Fluidized Bed Boilers?

Description : Write About Fluidized Bed Boilers?

Last Answer : When the high velocity gas is passed through a packed bed of finely divided solid particles, the particles become suspended in the gas stream and the packed bed becomes a fluidized bed. When ... Bed Combustion. The boiler plant using this fluidized bed combustion is known as fluidized bed boilers.

Write About Waste Heat Boilers?

Description : Write About Waste Heat Boilers?

Last Answer : The waste heat boilers use the waste heat in gases coming out of diesel engines and gas turbines at high temperature (or) use the waste as a fuel in the incineration. Some boilers use the industrial dirty gases for power generation.

Name Important High Pressure Boilers?

Description : Name Important High Pressure Boilers?

Last Answer :  La Mont boiler  Benson boiler  Loeffler boiler  Velox boiler.

State Important Advantages Of High-pressure Boilers?

Description : State Important Advantages Of High-pressure Boilers?

Last Answer :  The amount of scale formation is less, since the velocity of water through pipes are more.  All parts of the system are heated uniformly, so there is no danger of overheating.

What Is The Main Purpose Of High-pressure Boilers?

Description : What Is The Main Purpose Of High-pressure Boilers?

Last Answer : The high-pressure boilers are used to increase the efficiency of the plant and to reduce the cost of electricity production.

are portable devices capable of estimating the combusting efficiency of furnaces, boilers, or other fossil fuel burning machines. a) Sound analyzer. c) Combustion analyzer. b) Light analyzer. d)Temperature analyzer

Description : are portable devices capable of estimating the combusting efficiency of furnaces, boilers, or other fossil fuel burning machines. a) Sound analyzer. c) Combustion analyzer. b) Light analyzer. d)Temperature analyzer

Last Answer : Combustion analyzer. 

are portable devices capable of estimating the combusting efficiency of furnaces, boilers, or other fossil fuel burning machines. a) Sound analyzer. b) Light analyzer. c) Combustion analyzer. d) Temperature analyzer.

Description : are portable devices capable of estimating the combusting efficiency of furnaces, boilers, or other fossil fuel burning machines. a) Sound analyzer. b) Light analyzer. c) Combustion analyzer. d) Temperature analyzer.

Last Answer : Combustion analyzer.

Types of waste heat exchanger are: a) Regenerative and recuperative burners b) Economizers c) Waste heat boilers d) All of the above

Description : Types of waste heat exchanger are: a) Regenerative and recuperative burners b) Economizers c) Waste heat boilers d) All of the above

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In a power plant, coal is carried from storage place to boilers generally by means of (A) Bucket (B) V-belts (C) Trolleys (D) Manually.

Description : In a power plant, coal is carried from storage place to boilers generally by means of (A) Bucket (B) V-belts (C) Trolleys (D) Manually.

Last Answer : V-belts

Find false statement a. Tube of supercritical boilers are self-supporting b. Corners are easy to form c. Uniform heating of water takes place in supercritical boiler occurs d. All

Description : Find false statement a. Tube of supercritical boilers are self-supporting b. Corners are easy to form c. Uniform heating of water takes place in supercritical boiler occurs d. All

Last Answer : c. Uniform heating of water takes place in supercritical boiler occurs

Ultra supercritical boilers are mostly used in ______. a. Petrochemical industries b. Coal industries c. Textile industries d. none

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What is the major disadvantage of the Benson boilers? a) Boiler is big in size b) Has large storage capacity c) Deposition of salts d) Bubble formation

Description : What is the major disadvantage of the Benson boilers? a) Boiler is big in size b) Has large storage capacity c) Deposition of salts d) Bubble formation

Last Answer : c) Deposition of salts