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56 Cards in this Set

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  • Back
HOT WATER HEATING SYSTEMS PRODUCE HEAT MORE CONSISTENTLY THAN STEAM HEATING SYSTEMS.
TRUE OR FALSE
HOT WATER HEATING SYSTEMS REQUIRE LESS WATER THAN STEAM HEATING SYSTEMS.
TRUE OR FALSE
THE NATURAL CIRCULATION HOT WATER HEATING SYSTEM USES CIRCULATING PUMPS TO TRANSPORT WATER IN THE SYSTEM.
TRUE OR FALSE
WATER BECOMES LIGHTER AS IT IS HEATED.
TRUE OR FALSE
THE NATURAL CIRCULATION HOT WATER HEATING SYSTEM USES A COMPREESSION TANK TO ABSORB PRESSURE CHANGES
TRUE OR FALSE
NATURAL CIRCULATION HOT WATER HEATING SYSTEMS ARE COMMONLY USED IN LARGE CONTEMPORARY BUILDINGS.
TRUE OR FALSE
FLOOR-MOUNTED CIRCULATING PUMPS ARE USED IN SMALL PLANTS.
TRUE OR FALSE
LINE-MOUNTED CIRCULATING PUMPS OPERATE INTERMITTENTLY, DEPENDING ON PLANT REQUIREMENTS.
TRUE OR FALSE
THE FORCED CIRCULATION HOT WATER HEATING SYSTEM IS VENTED TO THE ATMOSPHERE.
TRUE OR FALSE
THE AQUASTAT CONTROLS THE STARTING AND STOPPING OF THE BURNER ON A HOT WATER BOILER.
TRUE OR FALSE.
THE FLOW CONTROL VALVE PREVENTS NATURAL CIRCULATION WHEN WATER IS NOT PUMPED IN THE SYSTEM.
TRUE OR FALSE
THE PRESSURE-REDUCING VALVE IS USED TO PREVENT OVER EXPRESSURE OF WATER SUPLIED TO THE EXPANSION TANK.
TRUE OR FALSE
DIVERTER FITTINGS ARE USED TO VENT AIR FROM THE HEATING UNITS.
TRUE OR FALSE
STOP VALVES BEFORE AND AFTER THE PRESSURE-REDUCING VALVE ALLOW SERVICING OF THE PRESSURE-REDUCING VALVE.
TRUE OR FALSE
THE THREE-WAY MIXING VALVE BLENDS WATER RETURNING FROM THE HEATING UNITS WITH SUPPLY WATER FROM THE BOILER.
TRUE OR FALSE
ALL BOILERS ARE MANUFACTURED IN CONFORMANCE WITH SECTION I OR IV OF THE ASME BOILER AND PRESSURE VESSEL CODE
TRUE



FALSE
AN AQUASTAT CONTROLS THE BURNER BY SENSING STEAM PREASSURE IN A HOT WATER BOILER.
TRUE


FALSE
THE STRAINER IN THE PRESSURE-REDUCING VALVE SHOULD BE INSPECTED PERIODICALLY FOR SCALE FORMATION.
TRUE


FALSE
THE COMPRESSION TANK IS NORMALLY FULL OF WATER TO FEED INTO THE BOILER DURING A LOW WATER CONDITION.
TRUE


FALSE
THE SAFETY RELIEF VALVE SHULD BE OCATED ON THE HIGHEST PART OF THE BOILER
TRUE

FALSE
SAFETY RELIEF VALVES SHOULD BE MANUALLY TESTED EVERY 30 DAYS AS RECOMMMENDED BY THE ASME CODE
TRUE


FALSE
SAFETY RELIEF VALVES SHOULD DISCHARGE INTO THE RETURN LINE FEEDING INTO THE CIRCULATING PUMP.
TRUE

FALSE
A TEMPERATURE-PRESSURE GAUGE INDICATES TEMPERATURE IN THE COMPRESSION TANK.
TRUE


FALSE
HYDROSTATIC PRESSURE IS EXPRESSED IN POUNDS PER SQUARE INCH (PSI).
TRUE


FALSE
AIR CONTROLS ARE USED TO ALLOW WATER TO DRAIN FROM THE COMPRESSION TANK IN A FORCED CIRCULATION HOT WATER HEATING SYSTEM.
TRUE


FALSE
AIR REMOVED FROM THE BOILER WATER IS DIVERTED TO THE COMPRESSION TANK IN A FORCED CIRCULATION HOT WATE HEATING SYSTEM.
TRUE


FALSE
AIR REMOVED FROM THE BOILER WATER IS DIVERTED TO THE COMPRESSION TANK IN A FORCED CIRCULATION HEATING SYSTEM
TRUE


FALSE
AN AQUASTAT COMMONLY HAS A TEMPERATURE DIFFERENTIAL PRESET BY THE MANUFACTURER.
TRUE


FALSE
THE AQUASTAT TEMPERATURE DIFFERENTIAL SETTING CONTROLS THE STARTING AN DSTOPPING OF THE CIRUCLATING PUMP.
TRUE


FALSE
TWO DIVERTER FITTINGS MAY BE REQUIRED FOR HEATING UNITS ABOVE THE SUPPLY LINE WHERE RESISTANCE TO CIRCULATION IS HIGH.
TRUE


FALSE
HOT WATER HEATING SYSTEMS REQUIRE SPECIAL HOT WATER BOILER ACCESSORIES.
TRUE


FALSE
WATER CONVEYS APPROXIMATELY _________ THE AMOUNT OF HEAT THAT STEAM CONVEYS.
A. 1/5
B. 1/4
C. 1/3
D. 1/2
A HOT WATER HEATING SYSTEM OPERATES AT _______________ THE STEAM HEATING SYSTEM.
A. A HGHER TEMPERATURE THAN
B. A LOWER TEMPERATURE THAN
C. THE SAME TEMPERATURE THAN
IN A NATURAL CIRCULATION HOT WATER HEATING SYSTEM, THE ________ FUNCTION AS A RELIEF VALVE.
A. SUPPLY LINE
B. RETURN LINE
C. HEATING LINE
D. EXPANSION TANK
____________ PRESSURE IS WATER PRESSURE PER VERTICAL FOOT EXERTED AT THE BASE OF A COLUMN OF WATER.
A. NORMAL OPERATING WATER
B. ELECTROSTATIC
C. HYDROSTATIC
D. NONE OF THE ABOVE
IN A REMOTE TEMPERATURE-MONITORING SYSTEM, THE BURNER IS CONTROLLED BASED ON ____________.
A. STEAM PRESSURE
B. TEMPERATURE OF AIR AT HEATING UNIT
C. OUTSIDE TEMPERATURE
D. MAKEUP WATER
STEAM BOILERS ARE CLASSIFIED AS HIGH PRESSURE IF STEAM PRESSURE EXCEEDS ___________ PSI.
A. 7
B. 15
C. 20
D. 160
A FLOW CONTROL VALVE FUNCTIONS SIMILAR TO A(N) ____________ VALVE TO PREVENT NATURAL WATER CIRCULATION.
A. AIR SEPARATOR
B. PRESSURE REDUCING
C. CHECK
D. GATE
HOT WATER BOILERS OPERATING WITH A 250 DEGREE WATER TEMPERATURE AND ______ PSI WATER PRESSURE OR LESS ARE CLASSIFIED AS LOW PRESSURE.
A. 10
B. 15
C. 100
D. 160
HOT WATER BOILERS CAN BE _________ BOILERS.
A. FIRETUBE
B. WATERTUBE
C. CAST IRON SECTIONAL
D. ALL OF THE ABOVE
A HOT WATER BOILER SAFETY RELIEF VALVE IS RATED IN _________ RELIEVED PER HOUR.
A. BTU OF STEAM TEMPERATURE
B. POUNDS OF WATER PRESSURE
C. POUNDS OF WATER TEMPERATURE
D. NONE OF THE ABOVE
A STEAM BOILER SAFETY VALVE IS RATED IN _________ RELIEVED PER HOUR.
A. BTU OF STEAM TEMPERATURE
B. POUNDS OF STEAM
C. BTU OF WATER TEMPERATURE
D. ALL OF THE ABOVE
A SAFETY RELIEF VALVE MUST BE BUILT ACCORDING TO THE ___________.
A. ASME CODE
B. ABMA CODE
C. BOILER MANUFACTURER SPECIFICATIONS
D. NONE OF THE ABOVE
THE RELIEVING PRESSURE OF A SAFETY RELIEF VALVE ON A LOW PRESSURE HOT WATER BOILER CANNOT EXCEED ________ PSI.
A. 15
B. 30
C. 160
D. 250
HOT WATER BOILERS USUALLY HAVE _______ PSI ON THE BOILER AT ALL TIMES.
A. 3 TO 5
B. 10 TO 15
C. 12 TO 18
D. 160 TO 250
THE _____ TANK IS NORMALLY HALF FULL OF WATER TO MAINTAIN THE CORRECT WATER LEVEL IN THE FORCED CIRCULATION HOT WATER HEATING SYSTEM.
A. EXPANSION
B. COMPRESSION
C. RECEIVER
D. VACUUM
SECTION VI OF THE ASME CODE RECOMMENDS SAFETY RELIEF VALVES BE MANUALLY TESTED ___________.
A. ONCE A SHIFT
B. EVERY 24 HOURS
C. EVERY 30 DAYS
D. NONE OF THE ABOVE
THE ________ PROTECTS THE HOT WATER HEATING SYSTEM FROM EXCEEDING THE MAWP.
A. AQUASTAT
B. BLOWDON VALVE
C. SAFETY RELIEF VALVE
D. COMPRESSION TANK
THE _______ CONTROLS THE STARTING AND STOPPING OF THE BURNER BY SENSING THE TEMPERATURE IN THE HOT WATER BOILER.
A. FLOW CONTROL VALVE
B. DIVERTER FITTING
C. CIRCULATING PUMP
D. AQUASTAT
THE TEMPERATURE-PRSSURE GAUGE INDICATES THE TEMPERATURE AND PRESSURE OF THE WATER _____________.
A. IN THE HEATING UNIT
B. LEAVING THE BOILER
C. IN THE COMPRESSION TANK
D. AT THE MIXING VALVE
____________ DIRECT THE FLOW OF HOT WATER SUPPLIED TO AND RETURNED FROM THE HEATING UNITS.
A. FLOW CONTROL VALVES
B. HAND-OPERATED VALVES
C. STEAM TRAPS
D. DIVERTER FITTINGS
A ____________ PREVENTS NATURAL CIRCULATION WHEN HOT WATER IS NOT BEING PUMPED THROUGH THE SYSTEM.
A. STOP VALVE
B. DIVERTER FITTING
C. CIRCULATING PUMP
D. FLOW CONTROL VALVE
A PRESSURE-REDUCING VALVE REDUCES THE PRESSURE OF CITY WATER TO APPROXIMATELY _________ PSI.
A. 4 TO 6
B. 8 TO 10
C. 10 TO 15
D. 12 TO 18
A(N) __________ ALLOWS BLEEDING OF TRAPPED AIR IN A HEATING UNIT.
A. STEAM TRAP
B. DIVERTER FITTING
C. AIR VENT
D. AIR CONTROL
IF THE COMPRESSION TANK IS ALLOWED TO FILL WITH WATER, PRESSURE WILL INCREASE, CAUSING THE ___________.
A. PRESSURE-REDUCING VALVE TO ACTIVATE
B. SAFETY RELIEF VALVE TO OPEN
C. AIR CONTROL TO DRAIN THE WATER
D. ALL OF THE ABOVE
LARGER COMPRESSION TANKS ARE EQUIPPED WITH A _______ FOR DETERMINING THE COMPRESSION TANK WATER LEVEL.
A. SIGHT GLASS
B. TRY COCK
C. GAUGE GLASS
D. NONE OF THE ABOVE