2nd Class C Boiler Word Scramble

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Question	Answer
The most important valve on a boiler is the_____ Valve.	Safety Valve
The funtion of a flame device is to shut off the _____.	fuel supply when the burner flame goes out
When used, a quick-opening blowdown valve be located_______.	Nearest to the boiler
The low-water cotoff (LWCO) is a divice fitted to the boiler to shut off the_____.	fuel supply to the burners when water level in the boiler is low
Try cocks on a water calumn are used to_____.	check the water level in the boiler
A check valve is a valve that_____.	allows flow in one direction only
Black smoke can be caused by_____.	isufficient combustion air
Large high pressure utility boiler use_______	Natural Draft
Handhole and manhole opening_____.	Are used for draining the boiler
The maximum pressure allowed in a low pressure hot water boiler is no more than _____psig.	160
In accordance with the statutes of the State of Minnesota , one Boiler horspawer for conventional boiler is equal to______.	10 sq ft of boiler heating surface
A botton blowdown system can be equipped with slow-opening and quick-opening valves, with the quick-opening valve located_____.	cosest to the boiler opened first
A hydrostactic test test is considered to be a____ test that is used to determine if the component works as designed.	proof
Modulating combustion controls_____.	regulate the steam and feedwater supply
Boiler water with a PH of 6 is considered_____.	Acid
When the boiler heating surface cannot be discerned, the boiler horsepower shall be determinated by dividing the Btu imput by__________.	67,000
The feedwater line cotain_____.	check valve between a stop valve and a boiler
A Special Engineer is expected to be competent, take charge of, and be resposible for the safe operation and maintenance of all classes of boiler of not more than_______HP and their appurtenances.	50
The purpose of a steam trap is to_____.	Remove air and condensate from stean line
For the porpuse of the boiler and pressure vessel statutes, "a year" is considered to be a least_______hr.	2000
Convection is a method of heat transfer where the movement of fluids is due solely to the_______.	Flow of fluids
The float chamber of the low water fuel cutoff (LWCO) is frequently blown down to prevent the_____.	float chamber from collecting sediment
A cross tee fitting is used on boiler column connections to_____.	Install vent valves
A logbook must be maintained in the boiler room by the_______.	A chief engineer of operating engineer designee
The boiler heating surface_____.	Is a smaller in watertube boiler than in the firetube
_____Valve should be used if a valve is required in a steam line from throttling action.	globe
Combustion is_____.	chemical combination of the elements of fuel with oxygen
With regard to steam boiler, the letters "HRT"mean_____	Horizontal return tubular
_____ is the flow of air or gases of comustion caused by a difference in pressure between two points.	draft
The shief engineer of a high pressure boiler plant of over 200 HP must stay within______of the boiler room at all times during the shief.	500 ft
The boiling point of water within a pressurized boiler will_____.	212 0f
When heat is tranferred by the flow of fluids, it is know as_____.	Convection
In accordance with the statutes of the State of Minnesota, each electric boiler horsepower is equal to________Kilowatts.	10
The main purpose of installing insulation on steam system piping is to_____.	Prevent heat loss
The material used most frequently for piping is____.	stainless steel
In a boiler, heat is transferred from the burning fuel to the water by________.	convection, conduction, radiation
Foaming in a boiler may be caused by_____.	A high concetration of dissolved solids in the boiler water
In a natural draft furnance, the amount of draft is affected by the____.	size of the induced draft fan
The main funtion of a gas burner is to_____.	mix the gas with combustion air
Before filling a boiler with water, the licensed engenieer should ensure that_____.	the flame scanner has been tested
Licenses granted must be displayed in _____________.	A conspicuous place in the engine or boiler room
The best method of testing a low-water fuel cutoff (LWCO) is to______.	Blow down the float chamber to determine in the burner will cut out
A test connection between the siphon tube and the boiler pressure gauge is need to _____.	test steam temperture at the pressure shown on the gauge
A steam boiler operating control is used to control the_____.	setpoint on the safety valve
A way to determine is safety vlave on a boiler has sufficient capacity is to_______	check with the ASME Code
The safety valve test must not be used unless_____	another licensed engineer is present
In accordance with the ststutes of State of Minnesota, one boiler horsepower for steam-coil-type generators is equal to ______.	5 sq ft of boiler heating surface
As steam pressure increases, there is a correponding increase in the _____.	Boiling temperature of the water in the boiler
A hydrostatic test is a mandatory requirement when a new boiler is intalled in the State of minnesot. The test pressure requirement must no exceed_____time the maximum allowable working pressure.	1.5
Heat that brings about a change of sate without causing a change in temperature is_______.	called latent heat
The two general desings of electric boiler are the_____types.	Electrode and Resistance
When heat transfer occurs by travelling through metal, it is known as _________.	radiation
A low-water cutoof (LWCO) prevents boiler damage by_____.	cutting off the fuel supply to prevent overheating of any part of the furnance
_____ is any solid impurity in water that cannot be dissolved.	Suspended matter
The minnimun passing score for a Minnesota engineer's license examination si______%.	70
Boiler baffles are used_____.	to direct the flue gases through the boiler furnance
When hot combustion gases travel through boiler tubes that are surrounded by boiler water, the boiler is called a _____ Boiler.	Firetube
A low-water fuel cutoff (LWCO) is used on a boiler to prevent_____.	Damage due to burner overfiring
A gauge glass can be attached to a______Column, wich is attached to a boiler.	water
A watertube boiler is a boiler that has_____.	Water on the outside of the tubes and hot gas on the inside of the tubes
A_____blowdown is performed to remove sludge from a boiler	botton
Rules goerning the construction of power boiler are set out in_____.	ASME Code Section I
A high pressure boiler must two means of feetwater supply if it exceeds_______HP.	500
In a deaerator, dissolved gases are removed from the water by_____.	forncing the water through organic screens and venting the gases to the atmosphere
A siphon tube is necessary to_____.	prevent water from entering a steam gauge
The correct procedure for blowing down a high pressure boiler is to open_____.	the quick-opening valve first and close it last
The document governing boiler fitting and valves is the____code	ASME
Sensible heat is_________.	Able to cause a change in temperature
Internal water treatment_____.	Consists of chemicals added to the boiler feedwater
Expantision bends or joins are installed in piping systems to____.	allow for expansion and contraction of piping without causing damage
Continuos blowdown systems are udes in boiler_____.	To help control the dissolved solids concentration
The evaporative capacity of a steam boiler is stated as pound of steam per_____.	Hour

Created by: Hermy2020