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56 Cards in this Set
- Front
- Back
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HOT WATER HEATING SYSTEMS PRODUCE HEAT MORE CONSISTENTLY THAN STEAM HEATING SYSTEMS.
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TRUE OR FALSE
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HOT WATER HEATING SYSTEMS REQUIRE LESS WATER THAN STEAM HEATING SYSTEMS.
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TRUE OR FALSE
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THE NATURAL CIRCULATION HOT WATER HEATING SYSTEM USES CIRCULATING PUMPS TO TRANSPORT WATER IN THE SYSTEM.
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TRUE OR FALSE
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WATER BECOMES LIGHTER AS IT IS HEATED.
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TRUE OR FALSE
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THE NATURAL CIRCULATION HOT WATER HEATING SYSTEM USES A COMPREESSION TANK TO ABSORB PRESSURE CHANGES
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TRUE OR FALSE
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NATURAL CIRCULATION HOT WATER HEATING SYSTEMS ARE COMMONLY USED IN LARGE CONTEMPORARY BUILDINGS.
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TRUE OR FALSE
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FLOOR-MOUNTED CIRCULATING PUMPS ARE USED IN SMALL PLANTS.
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TRUE OR FALSE
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LINE-MOUNTED CIRCULATING PUMPS OPERATE INTERMITTENTLY, DEPENDING ON PLANT REQUIREMENTS.
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TRUE OR FALSE
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THE FORCED CIRCULATION HOT WATER HEATING SYSTEM IS VENTED TO THE ATMOSPHERE.
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TRUE OR FALSE
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THE AQUASTAT CONTROLS THE STARTING AND STOPPING OF THE BURNER ON A HOT WATER BOILER.
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TRUE OR FALSE.
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THE FLOW CONTROL VALVE PREVENTS NATURAL CIRCULATION WHEN WATER IS NOT PUMPED IN THE SYSTEM.
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TRUE OR FALSE
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THE PRESSURE-REDUCING VALVE IS USED TO PREVENT OVER EXPRESSURE OF WATER SUPLIED TO THE EXPANSION TANK.
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TRUE OR FALSE
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DIVERTER FITTINGS ARE USED TO VENT AIR FROM THE HEATING UNITS.
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TRUE OR FALSE
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STOP VALVES BEFORE AND AFTER THE PRESSURE-REDUCING VALVE ALLOW SERVICING OF THE PRESSURE-REDUCING VALVE.
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TRUE OR FALSE
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THE THREE-WAY MIXING VALVE BLENDS WATER RETURNING FROM THE HEATING UNITS WITH SUPPLY WATER FROM THE BOILER.
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TRUE OR FALSE
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ALL BOILERS ARE MANUFACTURED IN CONFORMANCE WITH SECTION I OR IV OF THE ASME BOILER AND PRESSURE VESSEL CODE
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TRUE
FALSE |
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AN AQUASTAT CONTROLS THE BURNER BY SENSING STEAM PREASSURE IN A HOT WATER BOILER.
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TRUE
FALSE |
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THE STRAINER IN THE PRESSURE-REDUCING VALVE SHOULD BE INSPECTED PERIODICALLY FOR SCALE FORMATION.
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TRUE
FALSE |
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THE COMPRESSION TANK IS NORMALLY FULL OF WATER TO FEED INTO THE BOILER DURING A LOW WATER CONDITION.
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TRUE
FALSE |
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THE SAFETY RELIEF VALVE SHULD BE OCATED ON THE HIGHEST PART OF THE BOILER
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TRUE
FALSE |
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SAFETY RELIEF VALVES SHOULD BE MANUALLY TESTED EVERY 30 DAYS AS RECOMMMENDED BY THE ASME CODE
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TRUE
FALSE |
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SAFETY RELIEF VALVES SHOULD DISCHARGE INTO THE RETURN LINE FEEDING INTO THE CIRCULATING PUMP.
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TRUE
FALSE |
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A TEMPERATURE-PRESSURE GAUGE INDICATES TEMPERATURE IN THE COMPRESSION TANK.
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TRUE
FALSE |
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HYDROSTATIC PRESSURE IS EXPRESSED IN POUNDS PER SQUARE INCH (PSI).
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TRUE
FALSE |
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AIR CONTROLS ARE USED TO ALLOW WATER TO DRAIN FROM THE COMPRESSION TANK IN A FORCED CIRCULATION HOT WATER HEATING SYSTEM.
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TRUE
FALSE |
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AIR REMOVED FROM THE BOILER WATER IS DIVERTED TO THE COMPRESSION TANK IN A FORCED CIRCULATION HOT WATE HEATING SYSTEM.
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TRUE
FALSE |
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AIR REMOVED FROM THE BOILER WATER IS DIVERTED TO THE COMPRESSION TANK IN A FORCED CIRCULATION HEATING SYSTEM
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TRUE
FALSE |
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AN AQUASTAT COMMONLY HAS A TEMPERATURE DIFFERENTIAL PRESET BY THE MANUFACTURER.
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TRUE
FALSE |
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THE AQUASTAT TEMPERATURE DIFFERENTIAL SETTING CONTROLS THE STARTING AN DSTOPPING OF THE CIRUCLATING PUMP.
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TRUE
FALSE |
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TWO DIVERTER FITTINGS MAY BE REQUIRED FOR HEATING UNITS ABOVE THE SUPPLY LINE WHERE RESISTANCE TO CIRCULATION IS HIGH.
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TRUE
FALSE |
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HOT WATER HEATING SYSTEMS REQUIRE SPECIAL HOT WATER BOILER ACCESSORIES.
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TRUE
FALSE |
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WATER CONVEYS APPROXIMATELY _________ THE AMOUNT OF HEAT THAT STEAM CONVEYS.
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A. 1/5
B. 1/4 C. 1/3 D. 1/2 |
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A HOT WATER HEATING SYSTEM OPERATES AT _______________ THE STEAM HEATING SYSTEM.
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A. A HGHER TEMPERATURE THAN
B. A LOWER TEMPERATURE THAN C. THE SAME TEMPERATURE THAN |
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IN A NATURAL CIRCULATION HOT WATER HEATING SYSTEM, THE ________ FUNCTION AS A RELIEF VALVE.
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A. SUPPLY LINE
B. RETURN LINE C. HEATING LINE D. EXPANSION TANK |
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____________ PRESSURE IS WATER PRESSURE PER VERTICAL FOOT EXERTED AT THE BASE OF A COLUMN OF WATER.
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A. NORMAL OPERATING WATER
B. ELECTROSTATIC C. HYDROSTATIC D. NONE OF THE ABOVE |
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IN A REMOTE TEMPERATURE-MONITORING SYSTEM, THE BURNER IS CONTROLLED BASED ON ____________.
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A. STEAM PRESSURE
B. TEMPERATURE OF AIR AT HEATING UNIT C. OUTSIDE TEMPERATURE D. MAKEUP WATER |
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STEAM BOILERS ARE CLASSIFIED AS HIGH PRESSURE IF STEAM PRESSURE EXCEEDS ___________ PSI.
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A. 7
B. 15 C. 20 D. 160 |
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A FLOW CONTROL VALVE FUNCTIONS SIMILAR TO A(N) ____________ VALVE TO PREVENT NATURAL WATER CIRCULATION.
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A. AIR SEPARATOR
B. PRESSURE REDUCING C. CHECK D. GATE |
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HOT WATER BOILERS OPERATING WITH A 250 DEGREE WATER TEMPERATURE AND ______ PSI WATER PRESSURE OR LESS ARE CLASSIFIED AS LOW PRESSURE.
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A. 10
B. 15 C. 100 D. 160 |
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HOT WATER BOILERS CAN BE _________ BOILERS.
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A. FIRETUBE
B. WATERTUBE C. CAST IRON SECTIONAL D. ALL OF THE ABOVE |
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A HOT WATER BOILER SAFETY RELIEF VALVE IS RATED IN _________ RELIEVED PER HOUR.
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A. BTU OF STEAM TEMPERATURE
B. POUNDS OF WATER PRESSURE C. POUNDS OF WATER TEMPERATURE D. NONE OF THE ABOVE |
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A STEAM BOILER SAFETY VALVE IS RATED IN _________ RELIEVED PER HOUR.
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A. BTU OF STEAM TEMPERATURE
B. POUNDS OF STEAM C. BTU OF WATER TEMPERATURE D. ALL OF THE ABOVE |
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A SAFETY RELIEF VALVE MUST BE BUILT ACCORDING TO THE ___________.
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A. ASME CODE
B. ABMA CODE C. BOILER MANUFACTURER SPECIFICATIONS D. NONE OF THE ABOVE |
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THE RELIEVING PRESSURE OF A SAFETY RELIEF VALVE ON A LOW PRESSURE HOT WATER BOILER CANNOT EXCEED ________ PSI.
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A. 15
B. 30 C. 160 D. 250 |
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HOT WATER BOILERS USUALLY HAVE _______ PSI ON THE BOILER AT ALL TIMES.
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A. 3 TO 5
B. 10 TO 15 C. 12 TO 18 D. 160 TO 250 |
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THE _____ TANK IS NORMALLY HALF FULL OF WATER TO MAINTAIN THE CORRECT WATER LEVEL IN THE FORCED CIRCULATION HOT WATER HEATING SYSTEM.
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A. EXPANSION
B. COMPRESSION C. RECEIVER D. VACUUM |
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SECTION VI OF THE ASME CODE RECOMMENDS SAFETY RELIEF VALVES BE MANUALLY TESTED ___________.
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A. ONCE A SHIFT
B. EVERY 24 HOURS C. EVERY 30 DAYS D. NONE OF THE ABOVE |
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THE ________ PROTECTS THE HOT WATER HEATING SYSTEM FROM EXCEEDING THE MAWP.
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A. AQUASTAT
B. BLOWDON VALVE C. SAFETY RELIEF VALVE D. COMPRESSION TANK |
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THE _______ CONTROLS THE STARTING AND STOPPING OF THE BURNER BY SENSING THE TEMPERATURE IN THE HOT WATER BOILER.
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A. FLOW CONTROL VALVE
B. DIVERTER FITTING C. CIRCULATING PUMP D. AQUASTAT |
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THE TEMPERATURE-PRSSURE GAUGE INDICATES THE TEMPERATURE AND PRESSURE OF THE WATER _____________.
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A. IN THE HEATING UNIT
B. LEAVING THE BOILER C. IN THE COMPRESSION TANK D. AT THE MIXING VALVE |
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____________ DIRECT THE FLOW OF HOT WATER SUPPLIED TO AND RETURNED FROM THE HEATING UNITS.
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A. FLOW CONTROL VALVES
B. HAND-OPERATED VALVES C. STEAM TRAPS D. DIVERTER FITTINGS |
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A ____________ PREVENTS NATURAL CIRCULATION WHEN HOT WATER IS NOT BEING PUMPED THROUGH THE SYSTEM.
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A. STOP VALVE
B. DIVERTER FITTING C. CIRCULATING PUMP D. FLOW CONTROL VALVE |
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A PRESSURE-REDUCING VALVE REDUCES THE PRESSURE OF CITY WATER TO APPROXIMATELY _________ PSI.
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A. 4 TO 6
B. 8 TO 10 C. 10 TO 15 D. 12 TO 18 |
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A(N) __________ ALLOWS BLEEDING OF TRAPPED AIR IN A HEATING UNIT.
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A. STEAM TRAP
B. DIVERTER FITTING C. AIR VENT D. AIR CONTROL |
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IF THE COMPRESSION TANK IS ALLOWED TO FILL WITH WATER, PRESSURE WILL INCREASE, CAUSING THE ___________.
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A. PRESSURE-REDUCING VALVE TO ACTIVATE
B. SAFETY RELIEF VALVE TO OPEN C. AIR CONTROL TO DRAIN THE WATER D. ALL OF THE ABOVE |
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LARGER COMPRESSION TANKS ARE EQUIPPED WITH A _______ FOR DETERMINING THE COMPRESSION TANK WATER LEVEL.
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A. SIGHT GLASS
B. TRY COCK C. GAUGE GLASS D. NONE OF THE ABOVE |
