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Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler
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Size of boiler tubes is specified by - Examveda
HOT
Capacity:1-20t/h
Rated thermal efficiency: 100-104%
Fixed working pressure: ≤1.6MPa
Applicable fuel:natural gas etc.
HOT
Capacity:0.7-14MW
Rated thermal efficiency:96-98%
Fixed working pressure:≤1.25MPa
Applicable fuel:Natural gas, light oil, etc.
HOT
Capacity:0.7-2.8Mw
Rated thermal efficiency: 97.2-106%
Fixed working pressure:0.1MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:2.8-7.0Mw
Rated thermal efficiency:≥105.5%
Fixed working pressure:-0.02MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:99Kw
Rated thermal efficiency:97.2-104.4%
Fixed working pressure:1.0MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:0.5-4.0 t/h
Rated thermal efficiency:98%
Fixed working pressure:≤1.25MPa
Applicable fuel:electric energy
The diameter of fire tubes in Cochran boiler is of the order of (a) 2 cm (b) 6 Cm, (C) 8 cm (d) 12 cm (e) 15 cm. Ans: b 8/14/2018 200 TOP Steam Boilers, Engines, Nozzles and Turbines - Mechanical Engineering Multiple Choice Questions and Answers List | MCQs preparation for Engineering Competitive Exams 127.Get Price
⇒ The length of Cornish boiler is of the order of 2-4 m 3-5 m 5-7.5 m 7-9 m ⇒ The steam temperature with increase in load in case of a boiler fitted with radiation superheated increases decreases remains unaffected first increases and then decreases ⇒ Locomotive type' boiler is horizontal multitubular water tube boiler water wall enclosed furnace typeGet Price
Size of boiler tubes is specified by_____? A. mean diameter and thickness B. inside diameter and thickness C. outside diameter and thickness D. outside diameter and inside diameter E. outside diameter alone. Mcq Added by: admin. Steam Boilers, Engines, Nozzles and TurbinesGet Price
41. Introduction to boilers 42. How Boilers Work 43. CLASSIFICATION OF BOILER 44. Boiler Specification The heating surface 45. Boiler Systems 46. Firetube boilers 47. Watertube boilers 48. Comparison of fire tube and water tube boilers 49. Lancashire Boiler 50. COCHRAN BOILER 51. BABCOCK WILCOX BOILER 52. BOILER MOUNTINGS 53. Water level Get Price
We also know that one-gallon of water weighs 8.37 lbs. To calculate the storage tank needed use the following formula: BHP X 34.5 ÷ 8.337 lbs ÷ 60 min. X 10 = minimum useable capacity in gallons. For example, if you have a 500 HP boiler the calculation will be as follows –. 500 x 34.5 ÷ 8.337 ÷ 60 X 10 = 345 gallons.Get Price
Question: Size of boiler tubes is specified by. 1 Mean diameter and thickness. 2 Inside diameter and thickness. 3 Outside diameter and thickness. 4 Outside diameter and inside diameter. Answer: Option 3. Workspace. Report. Subscribe.Get Price
casting and turning to size. forging and turning to size. ⇒ With increase in compression ratio, the volumetric efficiency of air compressor increases. decreases. remains same. may increase or decrease (depends on the suction pressure). ⇒ Overheating of satellites during re-entry to earth is controlled by thick insulation. ceramic lining.Get Price
The TEMA K shell, also termed a " Kettle Reboiler " is specified when the shell side stream will undergo vaporization. The liquid level of a K shell design should just cover the tube bundle, which fills the smaller diameter end of the shell. This liquid level is controlled by the liquid flowing over a wier at the far end of the entrance nozzle.Get Price
and pressure. It is designed to insulate tube walls and casings, and can withstand temperatures up to 1000°C, depending upon the grade. It is used in a layer between a refractory wall and the boiler steel casing, and also between the boiler casing and lagging. • Calcium silicate block: is used on enclosures and piping for temperatures below Get Price
Mar 27, 2018 · In the presented case, the fire tube boiler can produce up to 2.5 times the nominal steam flow rate for a period of 10 min. Special attention has …Get Price
Jun 19, 2020 · Size of boiler tubes is specified by___________________? Hamad Steam Boilers, Engines, Nozzles and Turbines 19/06/2020. A. mean diameter and thickness. B. inside diameter and thickness. C. outside diameter and thickness. D. outside diameter and inside diameter. E. outside diameter alone.Get Price
24. Write about Benson boiler? State some important advantages of Benson boiler? Benson boiler is the high pressure, vertical fire tube boiler. This boiler has no drum and is ~designed to operate at critical pressure of 225 bar. Benson boiler has no drum. So the total weight of the Benson boiler is reduced by 20%, when compared to other boilers.Get Price
Boiler tubes sizes are specified by. 2-1/2 inches. The maximum size of a boiler blowdown likes, valves and fitting shall not exceed. Water. The purpose of a expansion tank in a hot water heating system is to provide the expansion of. Loss of boiler efficiency.Get Price
Jun 05, 2019 · A water tube boiler circulates water in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which heats water in the steam-generating tubes 3. Water tube boilers typically require higher pressures, and more flow from the boiler feed water pumps than fire tube boilers. 4.Get Price
Jan 13, 2022 · The global steam boiler market size is expected to surpass around US$ 20.7 billion by 2030 and is expanding growth at a CAGR of 3.6% from 2021 to 2030. The global steam boiler market size was estimated at US$ 15.8 billion in 2020. Steam boiler, also known as steam generator, is a component that generates steam from water by application of heat.Get Price
A. pulverising coal in inert atmosphere. B. heating wood in a limited supply of air at temperatures below 300°C. C. strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel. D. binding the pulverised coal into brick-ettes. E. enriching carbon in the coal.Get Price
[mcq] Size of boiler tubes is specified by 1.Mean diameter and thickness 2.Inside diameter and thickness 3.Outside diameter and thickness 4.Outside diameter and inside diameterGet Price
Size of boiler tubes is specified by. A. mean diameter and thickness. B. inside diameter and thickness. C. outside diameter and thickness. D. outside diameter and inside diameter.Get Price
measure of ability of a boiler to transfer the heat given by the furnace to the water and steam is the size of a steam reciprocating pump is generally designated by a three digit number size as 646. what would be the first number designate? in a pipe specification, schedule is used, when the pipe specified as "schedule 80", the pipe Get Price
Boiler tubes, usually are made from carbon steel and are subject to (a) high rates of heat transfer, (b) bending stresses due to uneven heating, especially at expanded or welded joints into headers or drums, (c) external erosion from burners and flue gas, (d) possible corrosion on the boiler side, and (e) occasional manufacturing defects.Get Price
Also referred to as smoke tube boilers, shell boilers, package boilers Multiple gas paths - 2, 3 and 4 pass Internal furnace or fire box as the 1st pass A boiler can only tolerate a specific number of cycles of concentration This will vary depending on Type and pressure of the boiler Type of external treatmentGet Price
Question: Size of boiler tubes is specified by. 1 Mean diameter and thickness. 2 Inside diameter and thickness. 3 Outside diameter and thickness. 4 Outside diameter and inside diameter. Answer: Option 3. Workspace. Report. Subscribe.Get Price
Learn Steam Boilers, Engines, Nozzles And Turbines MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Steam Boilers, Engines, Nozzles And Turbines MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-11 …Get Price
Q. Size of boiler tubes is specified by_____? a. mean diameter and thickness . b. inside diameter and thickness . c. outside diameter and thickness. d. outside diameter and inside diameter. e. outside diameter alone. ANSWER: outside diameter and thickness. Answer & ExplanationGet Price
Mar 17, 2015 · Steam, Boiler, and Blowdown Pressure are the same. Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used. Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure.Get Price
Learn Steam Boilers, Engines, Nozzles And Turbines MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Steam Boilers, Engines, Nozzles And Turbines MCQ question is the important chapter for a Mechanical Engineering and GATE students.Get Price
Oct 17, 2013 · Steam boilers, engines, nozzles and turbines - Mechanical Engineering test. 1) Fire tube boilers are those in which. a) Water passes through the tubes and flue gases surround them. b) Tubes are laid vertically. c) Forced circulation takes place.Get Price
Apr 06, 2018 · 101. In a coil-type auxiliary water-tube circulation boiler A. unevaporated feedwater collects in the bottom of the flash chamber B. all generated steam is recirculated through heating coils in the boiler C. heated water flashes to steam in the boiler heating coils D. response to steam demand is slower than in a fire-tube boiler Answer-A 102.Get Price
24. Write about Benson boiler? State some important advantages of Benson boiler? Benson boiler is the high pressure, vertical fire tube boiler. This boiler has no drum and is ~designed to operate at critical pressure of 225 bar. Benson boiler has no drum. So the total weight of the Benson boiler is reduced by 20%, when compared to other boilers.Get Price
Sep 15, 2017 · Boilers are typically installed on a slab or small pedestal at each support beam. This does not allow for access below the boiler. When tubes leak within the boiler, the steam will blow either into the gas stream or onto adjacent tubes. When a boiler is shut down, these leaks can pool on the floor.Get Price
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