Description : How Do You Carry Out Piping For A Different Pressure Flow Transmitter On Liquids, Gas And Steam Services? Why?
Last Answer : Liquid lines: On liquid lines the transmitter is mounted below the orifice plate. Since liquids have a property of self draining. Gas Service: On gas service the transmitter is mounted above the orifice ... mounted below the orifice plate with condenlate pots. The pots should be at the same level.
Description : How can problems of "excessive vibration or noise" due to piping strain be avoided on steam turbines?
Last Answer : 1. The inlet as well as exhaust steam lines should be firmly supported to avoid strains from being imposed on the turbine. 2. Adequate allowance should be made for expansion of steam pipes due to heat.
Description : How to provide Flexibility in the Piping system ?
Last Answer : By change in direction using Pipe bends, Expansion loops, Expansion joints etc
Description : Where can I find a steam boiler rental company in New Jersey?
Last Answer : There are numerous companies that are looking to rent equipment like that. Chances are if you check Craigslist you can find exactly what you are looking for.
Description : The temperature of boiling water in a steam engine may be high because - (1) there are dissolved substances in water (2) there is low pressure inside the boiler (3) there is high pressure inside the boiler (4) the lire is at very high temperature
Last Answer : (3) there is high pressure inside the boiler Explanation: In the boiler of a steam engine, there is a firebox where coal is shoveled into. The coal is kept burning at a very high temperature, and ... reservoir; the steam is then controlled by a slide valve to move into a cylinder to push the piston.
Description : What type of boiler does not need a steam drum ?
Last Answer : Super-critical pressure boiler.
Description : Name one or more sources of noise bearing on electronic communications. A. Steam boiler B. Galaxies C. Internal combustion engine D. Both B and C
Last Answer : D. Both B and C
Description : A boiling water reactor is the one, in which the (A) Coolant water is allowed to boil in the core of the reactor (B) Coolant water, after being heated in the reactor core, generates steam ... water is pumped into the core (D) Fuel and the coolant are thoroughly mixed to form a homogeneous solution
Last Answer : (A) Coolant water is allowed to boil in the core of the reactor
Description : Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low (A) Hardness (B) Dissolved solids content (C) Suspended solids content (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an (A) Blast furnace (B) Steam boiler (C) Salt bath furnace (D) Annealing furnace
Last Answer : (C) Salt bath furnace
Description : In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of (A) Transportation of coal (B) Drying of coal (C) Combustion of coal by supplying it around the burner (D) Preheating the primary air
Last Answer : (C) Combustion of coal by supplying it around the burner
Description : Which of the following is not a recuperative furnace? (A) Soaking pit (B) Reheating furnace (C) Steam boiler (D) Coke oven
Last Answer : (D) Coke oven
Description : White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is (A) Tar (B) Coke oven gas (C) Pitch (D) Pulverised coke
Last Answer : (B) Coke oven gas
Description : 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 ... goes on decreasing (D) Dissolved oxygen content in high pressure boiler feed water should be nil
Last Answer : (B) Cooling and freezing of water kills the bacteria present in it
Description : In a Rankine cycle, with the maximum steam temperature being fixed from metallurgical considerations, as the boiler pressure increases (a) The condenser load will increase [IES-1997] (b) The ... The quality of turbine exhaust will increase (d) The quality of turbine exhaust will remain unchanged
Last Answer : (b) The quality of turbine exhaust will decrease
Description : In a Rankine cycle, regeneration results in higher efficiency because (a) Pressure inside the boiler increases [GATE-2003] (b) Heat is added before steam enters the low pressure turbine (c) ... temperature of heat addition in the boiler increases (d) Total work delivered by the turbine increases
Last Answer : (c) Average temperature of heat addition in the boiler increases
Description : Function of fusible plug in a boiler is to (A) Drain out water and sludge from the boiler during repair (B) Put off fire in the furnace when water level in the boiler falls to unsafe limit (C) Guard the boiler in case of abnormal rise in steam pressure (D) All (A), (B) & (C)
Last Answer : (B) Put off fire in the furnace when water level in the boiler falls to unsafe limit
Description : The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the (A) Water alkalinity & leakage (B) Hydrazine addition during ... treatment (C) Release of non-condensable gas from water in the boiler (D) Scale formation
Last Answer : (C) Release of non-condensable gas from water in the boiler
Description : Blow off cock is provided in steam boiler to (A) Guard the boiler in case of abnormal rise in steam pressure (B) Drain out water and sludge during its repair (C) Regulate the supply of water in boiler (D) Put out the fire in the furnace when the water level in the boiler falls to unsafe limit
Last Answer : (B) Drain out water and sludge during its repair
Description : A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2. (A) 6 (B) 18 (C) 38 (D) 52
Last Answer : (B) 18
Description : The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler. (A) Evaporative capacity (B) Evaporation efficiency (C) Thermal efficiency (D) Steam load
Last Answer : (A) Evaporative capacity
Description : The delivery pressure of boiler feed water pump compared to the boiler steam pressure is (A) Same (B) Slightly less (C) Slightly more (D) Much more
Last Answer : (C) Slightly more
Description : Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent. (A) 1 (B) 10 (C) 30 (D) 50
Last Answer : (B) 10
Description : high pressure boiler generates steam at a pressure greater than __________ kg/cm2. (A) 10 (B) 30 (C) 50 (D) 80
Last Answer : Option D
Description : Ultra-super critical boiler uses steam with very high temperature up to …… a) 980° b) 620° c) 550° d) 720°
Last Answer : b) 620°
Description : Which type of boiler is used critical pressure……….. A. Benson boiler. B. Water tube boiler. C. Fire tube. D. Steam boiler
Last Answer : A. Benson boiler
Description : supercritical boiler are use of………….. A. Thermal power. B. Electric power C. Solar power. D. Steam power
Last Answer : B. Electric power
Description : What is the critical point of steam generation in a “once through” boiler? a) 221.5 bar b) 221.4 bar c) 221.3 bar d) 221.2 bar
Last Answer : d) 221.2 bar
Description : Steam is generated in a _____ boiler at a pressure above the critical point. a) Simple b) once through c) Superficial d) thrice through
Last Answer : c) Superficial
Description : What is the main disadvantage of Lamont boiler ? a. Less flexible in design b. Low heat transfer rate c. Formation of bubbles d. Low steam generation capacity
Last Answer : c. Formation of bubbles
Description : Where is water steam separator drum located in Lamont boiler ? a. Inside of the boiler b. Right above the furnace c. Before the feed water pump d. Outside the boiler
Last Answer : d. Outside the boiler
Description : What type of steam is generated by evaporator tube of Lamont boiler ? a. Saturated steam b. Unsaturated steam c. Superheated steam d. Flash steam
Last Answer : a. Saturated steam
Description : Through what is feed water from hot-well is passed through, before entering steam and water drum in Lamont boiler? a. Evaporator tubes b. Economizer c. Distributor header d. Circulating pump
Last Answer : b. Economizer
Description : The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. (A) Equal to (B) Less than (C) Higher than (D) None of these
Last Answer : (B) Less than
Description : Find the wrong statement. • Boiler is used to produce electricity in the energy business. • Boiler is used to produce steam for generating electricity. • Boiler can pressurize the water and can also evaporate it. All are wrong.
Last Answer : • Boiler can pressurize the water and can also evaporate it.
Description : A boiler or steam generator is a device used to create steam by applying heat energy to _____. • Water • Petrol • Oil • All of the above
Last Answer : • Water
Description : A device known as a _______ is used to release condensate from the pipework whilst preventing the steam from escaping from the system. a. Steam traps b. Steam pipes c. Boiler nose d. Release valve
Last Answer : a. Steam traps
Description : What increase as steam pressure increase inside a boiler • Force • Density • Rate of steam conversion • Viscosity
Last Answer : • Density
Description : What is the temperature at which the steam boiler are capable to withstand • 200°C • 280°C • 540°C • 358°C
Last Answer : • 540°C
Description : What is the function of boiler? • To burn the fuel in a confined closed system With the supply of air • To generate steam in varying pressure • To generate steam at constant pressure • To produce flue gases by burning fuel at a given pressure
Last Answer : • To generate steam at constant pressure
Description : The generated heat is transferred to water to make ______ the process of boiling. • Steam • Boiler • Both • None
Last Answer : • Steam
Description : A _______ incorporates a firebox or furnace in order to burn the fuel and generate heat. • Steam • Boiler • Hydrogen • None
Last Answer : • Boiler
Description : Steam produced in a boiler can be used for a variety of purposes including space heating, drying and _________________ a. Sterilization b. Humidification c. Power generation d. All of above
Last Answer : d. All of above
Description : A boiler is an enclosed vessel that provides a means for ________ and ______ heat to water until it becomes hot water or steam. a. Generate, boiler b. Condenser, loop c. Combustion, transfers d. All of above
Last Answer : c. Combustion, transfers
Description : A -________ incorporates a firebox or furnace in order to burn the fuel and _________ heat. a. Boiler, generate b. Heat, boiler c. Steam, pressure d. None
Last Answer : a. Boiler, generate
Description : The heat produced in this system is then rejected into the system as _______ a. Steam b. Boiler c. Both a & b d. None
Last Answer : a. Steam
Description : A __________ is a type of heat exchange system where water is heated to its' boiling point via combustion of a fuel blown through a tube submerged in water. a. Condensate loop b. Hyperbolic cooling tower c. Steam boiler d. All of above
Last Answer : c. Steam boiler
Description : What is the main component in a boiler a) steam b) heat c) pressure condenser d) combination
Last Answer : a) steam
Description : The heat in the boiler is used for making ______ a) steam b) condensing process c) ice d) none of these