Indonesia steam boiler air preheater draft hood

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  • Air Preheater For Boiler Suppliers, Manufacturer ...

    Alibaba offers 53 Air Preheater For Boiler Suppliers, and Air Preheater For Boiler Manufacturers, Distributors, Factories, Companies. There are 31 OEM, 30 ODM, 15 Self Patent. Find high quality Air Preheater For Boiler Suppliers on Alibaba.

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  • Boiler Air Preheater factory, Buy good quality Boiler Air ...

    Boiler Air Preheater factory, Buy good quality Boiler Air Preheater products from China. Utility Power Station Recuperative Boiler Air Preheater Heat Preservation High Efficiency. Horizontal And Vertical Type Steel Air Preheater For Boiler And Power Plant. Customized Boiler Air Preheater For Industry With High Performance Ratio.

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  • Air Preheating System APH

    When installing new steam boiler systems with economisers, air preheating is the ideal solution for increasing efficiency, particularly in cases where the integration of a flue gas condenser is impractical for process reasons. The Bosch air preheating system is available for single or double flame tube boilers with duoblock burners.

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  • Boiler Air Nozzle, Boiler Air Nozzle direct from Jinan ...

    Steam Boiler Parts Casting 306s 310s Stainless Steel Boiler Air Nozzle. 25.00 Piece. 200 Pieces (Min. Order) Contact Supplier. Diesel fired boiler fittings steam boiler air nozzle. 8.00 - 10.00 Piece. 200.0 Pieces (Min. Order) Contact Supplier. Steam Boiler Fittings 310s 306s Boiler Air Nozzle Price.

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  • plant auxiliary systems Designing and maintaining steam ...

    2015-5-13 · Forced-draft fan Wall air preheater coils In-duct air preheater coils Condensate from air preheat coils To boiler 1. Simple in concept, complex in operation. A rough schematic of a typical steam coil air preheater. For simplicity’s sake, the system shown depicts single coils in walls and ducts.

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  • STEAM AIR PREHEATER FOR A STEAM BOILER SYSTEM -

    The steam air preheater 60 picks up heat energy in steam air preheater 60 from steam coming from boiler feed pump turbine 50. Since the temperature of the flow in conduit 51 may not be much greater than the temperature of the intake air, steam air preheater 60 requires a highly efficient heat transfer surface.

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  • PA Fans, ID Fans, Draught Fans, FD Fans, SA Fans in ...

    2021-8-14 · Forced Draft Fan. An FD fan draws air from the atmosphere and forces it into the furnace through a preheater. These fans are located at the inlet of the boiler to push high pressure fresh air into combustion chamber, where it mixes with the fuel to produce positive pressure.

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  • The Function Of Boiler Air Nozzle

    2021-6-24 · The Air Nozzle is an important part of the circulating fluidized bed boiler, and it is a vulnerable part under high temperature and high wear in the furnace. The quality of the air nozzle directly affects the fluidization and combustion stability of the boiler, and is a guarantee for the safe operation of the boiler.

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  • Designing and maintaining steam coil air preheaters for ...

    2006-5-15 · Best practice recommendations for steam coil air preheater construction Tubes. Should have a minimum outer diameter (OD) of 1 inch and be made …

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  • Air preheater

    Air preheater. The air preheater uses the hot feed water to preheat the combustion air and obtain a cool water flow in the return. This cold flow can now be used in an additional economiser bundle to further reduce the flue gas temperature. This increases efficiency by 2% points, or flue gas temperatures that are roughly 40K lower.

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  • Steam Boiler Preheater In Boiler , Tubular Air Preheater ...

    The purpose of the air preheater is to recover the heat from the boiler flue gas which increases the thermal efficiency of the boiler by reducing the useful heat lost in the flue gas. 2. As a consequence, the flue gases are also conveyed to the flue gas stack (or chimney) at a lower temperature, allowing simplified design of the conveyance ...

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  • Boiler Accessories – Lafil Global

    An Air Preheater (APH) is an important Boiler auxiliary which primarily preheats the combustion air for rapid and efficient combustion in the furnace with the primary objective of increasing the thermal efficiency of the process. The purpose of the air preheater is to recover the waste heat from the outgoing boiler flue gas and transfers the same to the combustion air, which increases the ...

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  • ARMSTRONG BOILER AIR PREHEATING

    2020-2-10 · Boiler Air Preheating Boiler Air Preheating Pre-piped/Package Air Preheater Coil System Heavy Duty Steam and Fluid Unit Heaters & Door Heaters Heavy Duty Face & Bypass Steam Coil Pre-Heating Systems Condensate Recovery Systems Flo-Rite-Temp Instantaneous Water Heater VERIS Accelabar® Flow Measurement Steam, Liquid, Gas VERIS Verabar® Flow

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  • Vertical Electric Boiler Air Preheater In Steam Power ...

    There are two types of air preheaters for use in steam generators in thermal power stations: One is a tubular type built into the boiler flue gas ducting, and the other is a regenerative air preheater.These may be arranged so the gas flows horizontally or vertically across the axis of rotation. Advantage of air preheater.

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  • Steam Coil Air Preheaters

    Steam coil air preheaters STEAM COIL AIR PREHEATER OR SCAP. The steam coil air preheater, also known SCAP, preheats the combustion air before entering the air preheater (APH) to increase the minimum metal temperature in order to raise the average cold end temperature and to prevent acid dew point corrosion. Steam coil air …

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  • US3835650A - Steam air preheater for a steam boiler system ...

    A steam boiler system includes a steam air preheater disposed in inlet ducting for preheating intake air. A boiler feed pump provides high-pressure water to a boiler which in turn produces steam to drive a main turbine. Exhaust flow from the turbine is routed directly to a main condenser, with the exception of a small extraction flow which is used to drive a boiler feed pump turbine.

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  • Steam Boiler - Syloop boiler Manufacturer from Mumbai

    Manufacturer of Steam Boiler - Syloop boiler, Steam Drums offered by Canaan Engineering Pvt Ltd, Mumbai, Maharashtra.

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  • PTEC Equipment Boiler Flashcards

    An air preheater is an optional device to preheat combustion air using the hot gases that would go up the stack. A forced and or induced draft fan is required if an air preheater is employed. Uses waste heat to preheat the combustion air improving the efficiency of the boiler. There are two types • regenerative air preheaters also called rotary.

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  • steam boiler tubular air preheater with sgs certification

    Boiler Air Preheater, Boiler Air Preheater direct from. Horizontal And Vertical Type Steam Boiler Tubular Air Preheater With SGS Certification. 1,200.00 - 1,500.00 Ton. 1.0 Tons Vertical Corrosion Resistance Enameled Tubular Air Preheater for Gas-Fired Low Pressure Steam and Hot Water Boilers. 500.00 - 10,000.00 Ton. 1 Ton. Read More

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  • Installation of Air-Preheater and Economizer in Boiler ...

    2018-3-8 · combustion of coke and air is used to heat water to form steam. The steam generated is used in various processes across the unit. The boiler operates for an average of 12 hours daily. The steam boiler operating in the unit is a packaged boiler with water tube design. Steam is the main

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  • (PDF) J6 Keerthi Boiler Preheater

    V. CONCLUSION The use of steam boilers in modern industries is indispensible. In this paper, first calculate the efficiency of the boiler using the existing conditions and found it to be low when compared to other modern high pressure boilers. So designed an air preheater …

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  • Air preheater

    Air preheater. The air preheater uses the hot feed water to preheat the combustion air and obtain a cool water flow in the return. This cold flow can now be used in an additional economiser bundle to further reduce the flue gas temperature. This increases efficiency by 2% points, or flue gas temperatures that are roughly 40K lower.

    Get Price
  • China Steam Air Preheater Manufacturers and Suppliers ...

    Steam Air preheater preheats the air entering the boiler to a certain temperature through the internal fins, raise exchange performance, reduce energy consumption equipment. Steam Air preheaters are generally divided into plate, rotary and tube three parts. Taking rotating type as an example, the working principle of air preheater …

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  • Thermodyne Technologies

    Steam parameters : 66 Kg/cm2 , 485 °C Packaged Fire Tube Boiler Textile Plant India Wood, Coal Grate Fired Balanced draft With Air Preheater and FD ID fans Balanced Draft TYPE : Fire Tube Boiler FUEL : Heavy Oil ... INDONESIA Coal Fired FBC boiler Feed Water System and Deaerator Cilacap OVERSEAS PHYSICAL EXPORT

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  • Increasing Boiler Efficiency with Economizer/Preheater ...

    2017-4-26 · An air preheater is another form of heat exchange device that preheats or heats the air used in boiler combustion through a combination of steam, water, flue gas, or thermal oil. The general idea is that a boiler’s combustion process is more efficient if the boiler …

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  • Steam Boiler - Syloop boiler Manufacturer from Mumbai

    Manufacturer of Steam Boiler - Syloop boiler, Steam Drums offered by Canaan Engineering Pvt Ltd, Mumbai, Maharashtra.

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  • Boiler Combustion Air Flow Measurement

    Boiler air flow (or air flow on a forced or balanced draft furnace) may be measured with a pitot tube, air foil section, or any calibrated flow restricting device located in the duct that leads from the forced draft fan to the windbox. (The windbox is the area behind the burner throats that supplies combustion air …

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  • Steam Boiler Preheater In Boiler , Tubular Air Preheater ...

    The purpose of the air preheater is to recover the heat from the boiler flue gas which increases the thermal efficiency of the boiler by reducing the useful heat lost in the flue gas. 2. As a consequence, the flue gases are also conveyed to the flue gas stack (or chimney) at a lower temperature, allowing simplified design of the conveyance ...

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  • Air Preheater – Qingdao shengli boiler Co. Ltd

    Introduction. Air preheater is a kind of preheating equipment to improve the heat exchange performance of boiler and reduce heat loss. The function of air preheater is to transfer the heat from the flue gas discharged from the tail flue of the boiler to the air before entering the boiler through the radiator, and preheat the air to a certain temperature, so as to improve the thermal efficiency ...

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  • Vertical Electric Boiler Air Preheater In Steam Power ...

    There are two types of air preheaters for use in steam generators in thermal power stations: One is a tubular type built into the boiler flue gas ducting, and the other is a regenerative air preheater.These may be arranged so the gas flows horizontally or vertically across the axis of rotation. Advantage of air preheater.

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  • Williamson Thermoflu GSA-250 Gas Steam Atmospheric Boiler ...

    Williamson Thermoflu GSA-250 Gas Steam Atmospheric Boiler 250k BTU Includes Damper and Draft Hood Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best)

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  • Experimental Analysis of an Regenerative Air Preheater In ...

    2020-10-16 · The air preheater is a critical component of the boiler combustion air system. Evaluating and optimizing a heater‘s performance is difficult with the entire combustion system and the lack of standardized calculation tools. The regenerative air heater or air preheater (APH) on a large utility boiler often accounts for about 10% of

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  • PA Fans, ID Fans, Draught Fans, FD Fans, SA Fans in ...

    2021-8-14 · Forced Draft Fan. An FD fan draws air from the atmosphere and forces it into the furnace through a preheater. These fans are located at the inlet of the boiler to push high pressure fresh air into combustion chamber, where it mixes with the fuel to produce positive pressure.

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  • Sap Preheaters - University of Vermont

    2006-3-14 · the sap. The preheater will work on any evaporator, because most conventional evaporators will have a BTU steam heat yield above the pans of approximately 55-65 percent of the energy being fired to the evaporator by oil or wood. Excess heat (steam) used to power pre-heaters A heat exchanger, which is precisely what the sap preheater is, operates on

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  • Economiser & air preheater - SlideShare

    2014-3-6 · 18. Advantages of air preheating Preheated air increases combustion rate and then increases steam generations rate of boiler. Due to higher temperature of air, furnance temperature increases, so low grade coal can be burnt efficiently . 19. Advantages of air preheating Air …

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  • PA Fans, ID Fans, Draught Fans, FD Fans, SA Fans in ...

    2021-8-14 · Forced Draft Fan. An FD fan draws air from the atmosphere and forces it into the furnace through a preheater. These fans are located at the inlet of the boiler to push high pressure fresh air into combustion chamber, where it mixes with the fuel to produce positive pressure.

    Get Price
  • Designing and maintaining steam coil air preheaters for ...

    2006-5-15 · Best practice recommendations for steam coil air preheater construction Tubes. Should have a minimum outer diameter (OD) of 1 inch and be made of 12-gauge carbon steel or 14-gauge stainless steel.

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  • Types of Air-preheater and their Advantages and ...

    2018-2-9 · Types of Air-preheater and their Advantages and Disadvantages . today we discussed about a very important topic related to boiler combustion process helping which is air preheaters in this article we discussed about Types of Air-preheater and their Advantages and Disadvantages .Air preheater is a device which is used for the preheating the combustion air supplied to boiler …

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  • boiler regulation Equipment

    Model EU-290 v3 - Room Regulators. The type EU-290 room regulator is intended to control a heating device (e.g. a gas furnace, an oil furnace, an electrical furnace or the boiler ’s controller). This regulator is designed to maintain the set temperature in the apartment by sending a signal to the heating device (opening contact) with ...

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  • Air Preheater – Qingdao shengli boiler Co. Ltd

    Introduction. Air preheater is a kind of preheating equipment to improve the heat exchange performance of boiler and reduce heat loss. The function of air preheater is to transfer the heat from the flue gas discharged from the tail flue of the boiler to the air before entering the boiler through the radiator, and preheat the air to a certain temperature, so as to improve the thermal efficiency ...

    Get Price
  • Thermal Power Pant

    Thermal Power Pant DRAFT. 3 hours ago. by jasminesusila1989_91728. Played 0 times. 0. University . Other. 0% average accuracy. 0. Save. Edit. ... Boiler – Air preheater – Superheater – Economizer. Boiler – Superheater – Economizer – Air preheater ... For steam boilers, the fuel(s) is (are) mainly. answer choices . Bituminous coal ...

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  • Air Preheater,Boiler Steam Drum,hrsg boiler Manufacturers ...

    2018-10-30 · The high-intensity CFB Boiler low-frequency sound energy produced by Boiler Steam Drum the low-frequency acoustic generator of air preheater soot-blower is transmitted to hrsg boiler design the boiler flue through the sound pipe connected with the flue wall to form the sound energy field. hrsg boiler It is safe,Water wall header convenient and reasonable to use.supercritical cfb boiler

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  • Steam Boiler: Classification of Air Heater

    2021-7-8 · Classification of Air Heater. Air heaters in a steam boiler system are classified according to their principle of operation as: § Tubular Air Heater. Fig. 1: Tubular Air Heater. In a tubular air heater, energy is transferred from the hot flue gas flowing inside many thin walled tubes to the cold combustion air …

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  • Williamson GSA-200-NIP 200,000 BTU Natural Gas Steam ...

    Williamson GSA-200-NIP 200,000 BTU Natural Gas Steam Atmospheric Boiler-Probe LWCO Includes Damper and Draft Hood Rating Required Select Rating 1 star (worst) 2 …

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  • steam boiler tubular air preheater with sgs certification

    Boiler Air Preheater, Boiler Air Preheater direct from. Horizontal And Vertical Type Steam Boiler Tubular Air Preheater With SGS Certification. 1,200.00 - 1,500.00 Ton. 1.0 Tons Vertical Corrosion Resistance Enameled Tubular Air Preheater for Gas-Fired Low Pressure Steam and Hot Water Boilers. 500.00 - 10,000.00 Ton. 1 Ton. Read More

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  • Steam Boiler Preheater In Boiler , Tubular Air Preheater ...

    The purpose of the air preheater is to recover the heat from the boiler flue gas which increases the thermal efficiency of the boiler by reducing the useful heat lost in the flue gas. 2. As a consequence, the flue gases are also conveyed to the flue gas stack (or chimney) at a lower temperature, allowing simplified design of the conveyance ...

    Get Price
  • Air preheater

    Air preheater. The air preheater uses the hot feed water to preheat the combustion air and obtain a cool water flow in the return. This cold flow can now be used in an additional economiser bundle to further reduce the flue gas temperature. This increases efficiency by 2% points, or flue gas temperatures that are roughly 40K lower.

    Get Price
  • coal fired power plant steam generator boiler air ...

    Industrial Boiler Parts Tube Air Preheater For Coal Power. An air preheater (APH) is any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be used alone or to replace a recuperative heat system or to replace a steam coil.

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  • Air Preheaters - Forced Air Preheaters Latest Price ...

    Our range of Air Preheater or Steam Coil Air Preheaters is basically an extended surface type heat exchanger, which uses saturated steam for heating the atmospheric air to the necessary process temperature. It has application for heating process air in Starch …

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  • Vertical Electric Boiler Air Preheater In Steam Power ...

    There are two types of air preheaters for use in steam generators in thermal power stations: One is a tubular type built into the boiler flue gas ducting, and the other is a regenerative air preheater.These may be arranged so the gas flows horizontally or vertically across the axis of rotation. Advantage of air preheater.

    Get Price
  • Designing and maintaining steam coil air preheaters for ...

    2006-5-15 · Best practice recommendations for steam coil air preheater construction Tubes. Should have a minimum outer diameter (OD) of 1 inch and be made of 12-gauge carbon steel or 14-gauge stainless steel.

    Get Price
  • Air preheater retrofit and enhancement - .NET Framework

    2019-4-15 · Air preheater retrofit and enhancement Retrofits and enhancements are cost effective ways of improving boiler performance. Air preheaters play an integral part in the efficient operation of power plants. As the conditions in the plant change, for example by changes in fuels or operating cycles, demands on the air preheaters also change.

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  • Lamont Boiler: Definition, Parts, Working Principle ...

    2021-8-15 · Air preheater: Air Preheater also helps to increase boiler efficiency. Here the air is preheating and then preheating air sends to the combustion chamber. Combustion chamber: In the combustion chamber, the coal is burned and produces hot flue gases that help to heat the water. Lamont Boiler Working Principle Diagram:

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  • Thermal Power Pant

    Thermal Power Pant DRAFT. 3 hours ago. by jasminesusila1989_91728. Played 0 times. 0. University . Other. 0% average accuracy. 0. Save. Edit. ... Boiler – Air preheater – Superheater – Economizer. Boiler – Superheater – Economizer – Air preheater ... For steam boilers, the fuel(s) is (are) mainly. answer choices . Bituminous coal ...

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  • PABRIK STEAM BOILERS

    WA:081388666204 PT INDIRA DWI MITRA - Fabrikasi dan Jual Boiler Themal Oil di Indonesia PT Indira Dwi Mitra – Specialist Expert in Industrial Energy. Thermal Oil Boiler,Fire Tube Steam Boiler, Water Tube Boiler, Hot Water Boiler

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  • ARMSTRONG BOILER AIR PREHEATING

    2020-2-10 · Boiler Air Preheating Boiler Air Preheating Pre-piped/Package Air Preheater Coil System Heavy Duty Steam and Fluid Unit Heaters & Door Heaters Heavy Duty Face & Bypass Steam Coil Pre-Heating Systems Condensate Recovery Systems Flo-Rite-Temp Instantaneous Water Heater VERIS Accelabar® Flow Measurement Steam, Liquid, Gas VERIS Verabar® Flow

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  • Quality Boiler Mud Drum & Boiler Water Wall factory from

    Steam Coil CFB Boiler APH , Tubular Type Air Preheater Natural Circulation Hot Water CFB Boiler APH , Combustion Air Preheater In Steam Power Plant Separately Fired 150M CFB Boiler Capacity Factor Superheater Tubes , Steam Super Heater

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  • Steam Boiler System Market by Component (Boiler ...

    [139 Pages Report] Check for Discount on Steam Boiler System Market by Component (Boiler, Economizer, Superheater, Air Preheater, and Feed Pump), Type (Watertube Boiler, and Fire Tube Boiler), Fuel (Coal, Gas, Biomass, Oil, and Electric), End-user, and Region- Global Forecast to 2023 report by MarketsandMarkets. ...

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  • China Boiler manufacturer, Superheater, Waterwall supplier ...

    2013-5-17 · Oriental is a leading manufacturer and exporter specialized in boilers and boiler parts (including membrane waterfall panel, economizer, superheater, H-fin economizer, spiral fin tube, air preheater, header, heat pipe, and flue), motors, seamless steel tubes/pipes and ERW steel pipes. We have our own boiler and boiler parts manufacturing plant.

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  • Bell Fabs, Vellore - Manufacturer of Steam Boiler and Hot ...

    Established in the year 1984, at Vellore, (Tamil Nadu, India), we “Bell Fabs”, are Partnership Firm, engaged in manufacturing, retailing and wholesaling the best quality Cogeneration Plant, Steam Boiler, etc. We also impart quality approved Steam Boiler Installation Service, Steam Boiler Maintenance Service, Steam Boiler Repairing Service and Steam Boiler AMC Service of our products.

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  • Steam Boiler

    The early steam boilers resembled a sphere or kettles for cooking food and were made at first of copper and later of cast iron. One of the first real boilers was that of D. Papin, which he proposed in 1680. The design of modern steam boilers evolved with changes in the structural types of the simplest cylindrical steam boilers, which were ...

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  • Power Generation Techniques 1 – COEP

    b) the steam, converted into water, can be re-circulated with the help of pump. c) Both (A) and (B) d) None of the above. Q9.In thermal power plants, the dust of flue gases is trapped by. a) Precipitator. b) Economizer. c) Superheater. d) Air preheater. Q10.The path of flue gases in Thermal power plant is.

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  • 200+ TOP Thermal Power Plant Online Quiz Questions - Exam Test

    b) air preheater and induced fan c) Economizer and air preheater d) Boiler furnace and economiser Answer: b. 30. Belt conveyors can be employed for transporting coal at inclination up to: a) 75 deg b) 60 deg c) 30 deg d) 15 deg Answer: c. 31. In a shell and tube surface condenser: a) Steam passes through the tubes and cooling water surrounds them

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  • Air Preheater - Industrial Boilers America, Inc.

    Industrial Boilers America preheaters are designed to heat air befor e another process (for example, combustion inside an Industrial Boiler) with the primary objective of increasing the thermal efficiency of the process.They may be used alone or to replace a recuperative heat system or to replace a steam coil. In particular, we manufacuture the combustion air preheaters used in large boilers ...

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  • (PDF) Boiler Calculations

    The combustion air fed into air preheater, is taken from upper part of the boiler room. The temperature of the combustion air before the air preheater is therefore between 25 and 40°C (in Finnish conditions). The flue gases 9 fexiting the boiler are usually kept above 130-150 °C in order to prevent corrosion.

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  • PROCESS DESIGN OF STEAM BOILERS (PROJECT

    2016-3-6 · PROCESS DESIGN OF STEAM BOILERS (PROJECT STANDARDS AND SPECIFICATIONS) Page 4 of 45 Rev: 01 April 2011 Burner - A burner is a device for the introduction of fuel and air into a boiler at the desired velocities, turbulence and concentration to establish and maintain proper ignition and combustion. Burners are classified by the types of fuel fired,

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  • Boiler Combustion Air Flow Measurement

    Boiler air flow (or air flow on a forced or balanced draft furnace) may be measured with a pitot tube, air foil section, or any calibrated flow restricting device located in the duct that leads from the forced draft fan to the windbox. (The windbox is the area behind the burner throats that supplies combustion air …

    Get Price
  • Steam Boiler System Market Research Report by Boiler Type ...

    figure 22. global steam boiler system market size, by air preheater, 2018-2026 (usd billion) figure 23. global steam boiler system market size, by air preheater, by geography, 2020 vs 2026 (usd billion) figure 24. global steam boiler system market size, by boiler, 2018-2026 (usd billion) figure 25.

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  • Economiser & air preheater - SlideShare

    2014-3-6 · 18. Advantages of air preheating Preheated air increases combustion rate and then increases steam generations rate of boiler. Due to higher temperature of air, furnance temperature increases, so low grade coal can be burnt efficiently . 19. Advantages of air preheating Air …

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  • Boiler accessories - SlideShare

    2017-2-17 · AIR PREHEATER 14 15. WHAT IS AIR PREHEATER? • Air preheater is a device which increases the temperature of air before it supply to the furnace using heat from flue gases passing through chimney. • The heat carried with the flue gases coming out of economiser is further utilised for preheating the air before supplying to the combustion chamber.

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  • WHAT IS THE RECOVERY BOILER ~ Recovery Boiler's Blog

    2012-11-10 · Flue gas is inhaled drawn by a device called the Induced Draft Fan (IDF), where the flue gas will pass through the pipe - boiler pipe so that water contained in boiler piping briefly - of land become heated and turned into high-pressure steam will then be used for the propulsion of Turbine Generator to generate electrical energy.

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  • 200+ TOP Thermal Power Plant Online Quiz Questions - Exam Test

    b) air preheater and induced fan c) Economizer and air preheater d) Boiler furnace and economiser Answer: b. 30. Belt conveyors can be employed for transporting coal at inclination up to: a) 75 deg b) 60 deg c) 30 deg d) 15 deg Answer: c. 31. In a shell and tube surface condenser: a) Steam passes through the tubes and cooling water surrounds them

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