Term
| LIST TWO METHODS USED TO CHEMICALLY CLEAN THE WATER SIDE OF A BOILER? |
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Definition
CIRCULATION METHOD
SOAKING METHOD |
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Term
| LIST 5 REASONS WHY A PRESSURE EXPLOSION MAY OCCUR AT NORMAL OPERATING PRESSURE? |
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Definition
OVER-STRESSING OF MATERIAL DUE TO BOILER RAPID START UP.
OVER HEATING OF MATERIAL DUE TO LOW WATER LEVEL.
OVER HEATING OF MATERIAL DUE TO BUILD UP OF SCALE,SLUDGE,OIL ON HEATING SURFACES.
OVERHEATING OF MATERIAL DUE TO FAULTY WATER CIRCULATION
WEAKENING OF MATERIAL DUE TO CORROSION. |
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Term
| WHEN PLUGGING OFF A TUBE IN A BOILER THE PLUG TAPER SHOULD BE? |
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Definition
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Term
| WHO SHOULD BE RESPONSIBLE FOR DOING FREQUENT BOILER INSPECTIONS? |
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Definition
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Term
| A STEAM HEATING BOILER TO BE SHUT DOWN FOR 6 MONTHS DURING THE SUMMER SHOULD BE? |
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Definition
| DRAINED, THOROUGHLY DRIED OUT QUICK LIME PLACE INSIDE AND CLOSED UP |
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Term
| THE FINAL STEP IN REPLACING A FIRE-TUBE IS ? |
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Definition
| CONDUCTING A HYDROSTATIC TEST. |
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Term
| WHO IS QUALIFIED TO DO A WELD REPAIR ON BOILERS AND PRESSURE VESSELS? |
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Definition
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Term
| STATE THE NAME OF THE DEVICE THAT IS USED TO DETECT FINE CRACKS WHEN USED IN COMBINATION WITH A FLUORESCENT PENE-TRANT? |
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Definition
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Term
| JUST BEFORE ENTERING THE WATERSIDE OF THE BOILER IT IS IMPORTANT TO? |
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Definition
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Term
| A HYDROSTATIC TEST SHOULD BE APPLIED TO A BOILER? |
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Definition
| AT THE REQUEST OF THE BOILER INSPECTOR. |
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Term
| WHAT IS THE WATER PRESSURE IN WHICH A BOILER IS SUBJECTED WHEN A HYDROSTATIC TEST IS BEING CARRIED OUT? |
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Definition
| 1.5 TIMES MAX.ALLOWABLE WORKING PRESSURE STAMPED ON BOILER. |
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Term
| THE MOST POPULAR ACID FOR BOILER CLEANING IS? |
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Definition
| 5 PERCENT SOLUTION OF INHIBITED HYDROCHLORIC ACID |
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Term
| THE MAIN FUNCTION OF A GAS BURNER IS? |
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Definition
| MIXING OF FUEL GAS/AIR PRIOR TO IGNITION. |
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Term
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Definition
| LIGHTS THE MAIN FLAME AND REMAINS ON. |
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Term
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Definition
| HELPS PREVENTS PUFF BACKS. |
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Term
| LARGER SIZE SOLENOID TYPE GAS VALVES OPEN WIDE IN APPROXIMATELY _________ SECONDS TO PREVENT A FURNACE PUFF? |
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Definition
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Term
| THE PISTON IN A MOTORIZED GAS VALVE IS CLOSED BY? |
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Definition
LOSS OF POWER
RELEASE OF HYDRAULIC FLUID
SPRING ACTION |
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Term
| WHAT IS ADDED TO THE COAL IN A TYPICAL FBC UNIT TO ENSURE THAT THE HEATED COMPOUNDS BECOME RELATIVELY INERT? |
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Definition
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Term
| NO2 EMISSIONS ARE REDUCED IN A FLUIDIZED BED FURNACE DUE TO THE? |
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Definition
| REDUCED COMBUSTION TEMPERATURE. |
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Term
| AN ATMOSPHERIC FLUIDIZED BED COMBUSTION UNITS THE FUEL CONTENT BY MASS OF THE TURBULENT INERT MATERIAL IS USUALLY LESS THAN ______ PERCENT? |
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Definition
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Term
| THE COMBUSTION IN A FLUIDIZED BED COMBUSTION UNIT CAN BE CONTROLLED AT A FURNACE TEMPERATURE OF ___________ DEG. TO REDUCE NO2 EMISSIONS. |
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Definition
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Term
| BEFORE COAL CAN BE BURNED IN A FLUIDIZED BED COMBUSTION UNIT, IT IS NECESSARY TO HEAT THE INERT BED MATERIAL TO ABOUT ________ DEG. |
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Definition
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Term
| A TYPICAL TIME TO HEAT THE BED IN A FLUIDIZED BED COMBUSTION UNIT TO FUEL IGNITION TEMPERATURE IS ________ HOUR? |
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Definition
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Term
| A LOW PRESSURE CUT OFF SWITCH _____ THE BURNER FROM OPERATING WHEN THE GAS PRESSURE IN THE SUPPLY LINE DROPS BELOW THE PRESSURE NECESSARY TO MAINTAIN A STABLE FLAME AT THE BURNER? |
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Definition
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Term
IN A MULTI-SPUD BURNER, EACH SPUD IS EQUIPPED WITH A _______
VALVE SO THAT IT MAY BE REMOVED FOR CLEANING? |
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Definition
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Term
| STEAM ATOMIZING BURNERS REQUIRE CLEANING? |
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Definition
| LESS OFTEN THAN MECHANICAL ATOMIZERS. |
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Term
| USING PREHEATED AIR WITH PULVERIZED COAL? |
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Definition
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Term
| BY WHAT 2 METHODS ARE NITROGEN OXIDES FORMED IN NATURAL GAS FIRED BOILERS? |
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Definition
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Term
| WHAT ARE THE 3 CLASSIFICATIONS OF OIL BURNERS |
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Definition
MECHANICAL ATOMIZING BURNER
STEAM ATOMIZING BURNER
ROTARY CUP OIL BURNER |
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Term
| NATURAL GAS IS THE MOST DESIRABLE FOR STEAM GENERATION PURPOSES IT IS A FREE OF ASH AND MIXES READILY WITH AIR TO GIVE COMPLETE _________ WITH LOW AMOUNTS OF _________? |
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Definition
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Term
| THE AMOUNT OF NO2 FORMED CAN BE CONTROLLED BY__________ THE AMOUNT OF EXCESS AIR USED TO COMBUSTION________THE TEMPERATURE IN THE COMBUSTION ZONE? |
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Definition
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Term
| THE CATALYTIC REMOVAL SYSTEM REQUIRES INJECTION OF ______ IS THE PRESENCE OF ________? |
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Definition
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Term
| WHEN FURNACE DRAFT IS MAINTAINED AT ATMOSPHERIC PRESSURE OR JUST BELOW THE DRAFT IS REFERRED TO? |
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Definition
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Term
| THE _________ FAN PROVIDES THE VOLUME OF COMBUSTION AIR TO THE BOILER. |
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Definition
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Term
| THE MOST EFFECTIVE METHOD OF CONTROLLING AN ID AND FD FAN ON OUTPUT IS? |
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Definition
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Term
| FEED WATER FOR A HIGH PRESSURE BOILER SHOULD BE? |
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Definition
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Term
| THE REGENERANT USED TO REGENERATE A CATION EXCHANGE IN A DEMINERLIZER IS? |
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Definition
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Term
| AN OPERATING PRESSURE RANGE FOR A DEA ERATOR IS ______ PSI? |
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Definition
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Term
| WHICH OF THE FOLLOWING IS NOT A REASON TO TREAT BOILER WATER? |
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Definition
| PREVENT THE PRESSURE IN THE BOILER FROM GOING TO HIGH. |
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Term
| DISSOLVED GASES ARE REMOVED IN A DEAERATOR BY? |
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Definition
| RAISING THE WATER TEMP.TO THE BOILING POINT. |
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Term
| WHICH OF THE FOLLOWING IS NOT A TYPE OF COAGULANT? |
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Definition
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Term
| ________ ARE CHEMICALS WHICH CAUSE THE FINE PARTICLES TO GATHER TOGETHER INTO A LARGER MASS WHICH WILL SETTLE OUT MUCH MORE READILY. |
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Definition
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Term
| A _________ CONSISTS OF A BED OF POROUS MATERIAL THROUGH THE WATER IS PASSED EITHER BY GRAVITY OR UNDER PRESSURE? |
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Definition
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Term
| THE REGENERATION IS DONE BY REMOVING THE ZEOLITE SOFTENER FROM SERVICE AND FILLING IT WITH A SOLUTION OF ___________. |
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Definition
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Term
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Definition
| A SPONGY SUBSTANCE ADDED IN WATER COAGULANT. |
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Term
| LIST THE 3 TYPES OF DEAERATORS? |
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Definition
SPRAY TYPE
TRAY TYPE
BUBBLER TYPE |
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Term
| EXCESS SULPHITE IS NECESSARY TO PREVENT? |
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Definition
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Term
| WHEN CONDUCTING A TDS, OR TOTAL DISSOLVED SOLIDS TEST THE IMPURITY'S WHICH HAS A HISGH CONDUCTIVITY AND MUST BE NEUTRALIZED IS THE? |
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Definition
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Term
| CHEMICALS ARE USUALLY FED TO A BOILER? |
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Definition
| WITH A SMALL POSITIVE DISPLACEMENT PUMP. |
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