WHAT ACTION MUST BE TAKEN IF THE READING ON THIS DEVICE SHOWS A PRESSURE HIGHER THAN THE SAFETY VALVE SETTING?

SHUT DOWN THE BOILER IMMEDIATELY AND INVESTIGATE THE REASONS

IS A SHUT OFF COCK ALLOWED BETWEEN THIS DEVICE AND THE BOILER?

YES, TO REPLACE THE DEVICE WITHOUT SHUTTING DOWN THE BOILER

THE STEAM PRESSURE IS FALLING RAPIDLY BECAUSE OF PLANT DEMAND, BUT THE BOILER DOES NOT WANT TO START. WHAT SHOULD YOU DO?

WALK AROUND THE BOILER, ANALYZE ALL THE COMPONENTS, TRY TO DETERMINE WHAT KEEPS THE BOILER FROM STARTING.

THERE AT TWO OF THESE ON THE BOILER, ONE IS INSTALLED HIGHER THAN THE OTHER. WHY?

TO START THE FEED WATER PUMP WHEN THE LEVEL IS LOW AND TO SHUT THE FUEL OFF IF THE WATER LEVEL IS NOT RESTORED

WHAT ARE SOME OF THE PRECAUTIONS THAT MAY BE TAKEN TO REDUCE OR PREVENT A WATER HAMMER IN A STEAM LINE?

WARM THE STEAM LINE GRADUALLY, MAKE SURE THAT THE STEAM TRAPS ARE WORKING AND DRAINS ARE OPEN; CRACK VALVES OPEN AND THEN OPEN THEM VERY GRADUALLY WHEN THE LINE IS HOT AND DRY; MAKE SURE THAT WATER LEVELS ARE NOT TOO HIGH TO AVOID WATER CARRYOVER IN THE STEAM LINE.

WHAT HAPPENS IF A TRAP MALFUNCTIONS?

CONDENSATE TRAPPED IN THE PIPING MAY CAUSE WATER HAMMER

WHAT ARE THE MOST PROBABLE CAUSES IF THE WATER IN THIS ITEM BECOMES VERY HOT?

THE STEAM TRAP ITEM 24 MALFUNCTIONED AND IS STUCK OPEN

CAN YOU BLOW DOWN A STEAM BOILER TOO MUCH?

YES, YOU CAN WASTE MONEY BY INDUCING HIGHER FUEL, CHEMICAL, AND WATER USE TO YOUR OPERATING EXPENSES

TYPICALLY, WHAT IS THE BEST SEQUENCE TO FOLLOW WHEN OPENING THE BLOW DOWN VALVES? Options: A. OPEN SLOWLY ITEM(S) 28 AND THEN ITEM 20, B. OPEN FAST ITEM(S) 28 AND THEN ITEM 20, C. OPEN ITEM 20 AND THEN OPEN SLOWLY ITEM(S) 28, D. OPEN ITEM 20 AND THEN OPEN FAST ITEM(S) 28

OPEN ITEM 20 AND THEN OPEN SLOWLY ITEM(S) 28

IF YOU HAVE TO, WHAT IS THE BEST METHOD TO BLOW DOWN WATERWALLS OF A WATER TUBE BOILER?

IF YOU HAVE TO BLOW DOWN WATERWALLS, DO IT WITH THE BOILER SECURED

WHAT IS LIKELY TO HAPPEN IF THIS ITEM IS NOT USED?

HOT WATER, WATER TREATMENT CHEMICALS, AND STEAM COULD DAMGE THE SEWAGE LINE

WHAT IS THIS VALVE AND THE VALVE IN ITEM 45 CALLED?

MANUAL SHUT-OFF VALVE TO THE GAS BURNER

WHEN WOULD YOU SHUT THIS VALVE OFF?

When troubleshooting the burner, during a long boiler shutdown, boiler repairs or internal inspection, and in an emergency when the boiler is not going through pre-purge.

WHAT IS THIS DEVICE AND DEVICE ITEM #36?

MAIN BURNER AND PILOT PRESSURE REGULATORS

IN BRINGING TWO BOILERS TOGETHER ON THE SAME LINE, SOME PRECAUTIONS ARE NEEDED TO AVOID THESE TYPICAL PROBLEMS:

WATER HAMMER AND LOSS OF STEAM PRESSURE

YOU ARE OPENING VALVE #72 TO PUT BOILER #71 ON THE LINE AND YOU HEAR A LOUD NOISE AND A STRONG VIBRATION. WHAT IS IT AND WHAT DO YOU DO?

WATER HAMMER, YOU SHUT THE VALVE IMMEDIATELY, LET THE PRESSURE DROP AND START AGAIN

HOW DO YOU SOLVE A FOAMING PROBLEM?

By surface blow (opening valves #69 and #74), by making sure that oil does not return to the boiler in the condensate, and by making sure that process heat exchangers are tight and impurities do not enter the steam.

IS PRIMING A DANGEROUS CONDITION?

YES, IT CAN HARM THE BOILER AND THE EQUIPMENT USING STEAM

WHAT IS SUFFICIENT CAUSE TO REFUSE ISSUANCE OR RENEWAL OF A LICENSE TO OPERATE A BOILER? A. FAILURE TO KEEP A PROPER LOGBOOK, B. OPERATOR NEGLECT OR INCOMPETENCE CAUSING SERIOUS PROPERTY DAMAGE OR ENDANGERING LIVES, C. ALLOWING ONE’S LICENSE TO EXPIRE, D. FAILURE TO FOLLOW THE BOILER MANUFACTURERS AMAINTENANCE INSTRUCTIONS

OPERATOR NEGLECT OR INCOMPETENCE CAUSING SERIOUS PROPERTY DAMAGE OR ENDANGERING LIVES

IT IS THE RESPONSIBILITY OF THE OWNER TO OPEN ALL STEAM BOILERS FOR AN INTERNAL INSPECTION EVERY YEAR?

TRUE, TO THE EXTENT DEEMED NECESSARY BY THE INSPECTOR

WHEN AM I REQUIRED TO INPUT RECORD IN MY LOGBOOK FOR MY BOILER(S)?

IF THE BOILER’S SWITCH IS IN THE “ON” POSITION

THE BOILER INSPECTOR HAS ARRIVED AT YOUR PLANT, WHAT DOCUMENTS MIGHT BE ASKED FOR FROM YOU THE OPERATOR?

LOGBOOK, PROOF OF OPERATIONS LICENSE, ON SITE COPY OF LICENSELAW, AND CURRENT CERTIFICATE OF INSPECTION FOR THE BOILER

WHAT ARE THE CITY REQUIREMENTS ON REPORTING AN OUTDATED BOILER PERMIT (CERTIFICATE OF INSPECTION) AND TO WHOM IS THE REPORT MADE? Options: A. NOTIFY THE BOILER SUPERVISOR, THEN YOUR EMPLOYER IF EXPIRED MORE THAN 90 DAYS, B. NOTIFY THE BOILER SUPERVISOR AND THE BOILER INSPECTOR IF EXPIRED MORE THAN 90 DAYS, C. NOTIFY THE EMPLOYER IN WRITING IF EXPIRED MORE THAN 90 DAYS, D. NOTIFY YOUR EMPLOYER IF EXPIRED LESS THAN 90 DAYS AND THE BOILER INSPECTOR IF EXPIRED MORE THAN 90 DAYS

NOTIFY YOUR EMPLOYER IF EXPIRED LESS THAN 90 DAYS AND THE BOILER INSPECTOR IF EXPIRED MORE THAN 90 DAYS

HOW ARE COMBUSTION AIR OPENING SIZED? Options: A. BY THE SIZE OF THE BOILER ROOM, B. BY THE BTUH INPUT OF ALL THE APPLIANCES IN THE BOILER ROOM AND BY THE POSITION OF THE OPENINGS, C. BY THE AGE OF THE BOILER, D. BY THE BTUH INPUT AND INFILTRATION

BY THE BTUH INPUT OF ALL THE APPLIANCES IN THE BOILER ROOM AND BY THE POSITION OF THE OPENINGS

WHAT IS SODIUM SULFITE USED FOR? A. FOR FLAME DETECTORS, B. AS A SCAVENGER TO REMOVE OXYGEN FROM THE BOILER’S WATER, C. TO TEST ALKALINITY, D. TO ANALYZE COMBUSTION GASES

AS A SCAVENGER TO REMOVE OXYGEN FROM THE BOILER’S WATER

HOW MANY GRADES OF LICENSES ARE THERE IN THE SEATTLE STEAM LICENSE CODE? A. GRADES 1 THROUGH 3 AND SMALL POWER BOILER (AND BOILER SUPERVISOR GRADE 1, 2, OR 3) B. GRADES 1 THROUGH 4 AND SMALL POWER BOILER (AND BOILER SUPERVISOR 1, 2, OR 3) C. GRADES 1 THROUGH 5 AND SMALL POWER BOILER (AND BOILER SUPERVISOR GRADE 1, 2, OR 3) D. GRADES 1 THROUGH 6 AND SMALL POWER BOILER (AND BOILER SUPERVISOR GRADE 1, 2, OR 3)

GRADES 1 THROUGH 5 AND SMALL POWER BOILER (AND BOILER SUPERVISOR GRADE 1, 2, OR 3)

PRACTICE TEST #3 Flashcards

Student preview

39 questions

Show all answers

1.

FLASHCARD QUESTION

Front

WHO CAN REPAIR OR ADJUST THIS DEVICE?

Back

ONLY A SHOP CERTIFIED TO WORK ON SAFETY VALVES

2.

FLASHCARD QUESTION

Front

YOUR BOILER MAWP IS 100 PSI. SHOULD THIS DEVICE BE SET AT …………?

Back

100 PSI OR LESS

3.

FLASHCARD QUESTION

Front

WHAT IS THIS DEVICE CALLED?

Back

A PIG TAIL OR SIPHON

4.

FLASHCARD QUESTION

Front

DO YOU ALWAYS NEED THIS DEVICE ON A STEAM BOILER?

Back

YES, IF THE INSTRUMENT DO NOT HAVE INTERNAL PROTECTION

5.

FLASHCARD QUESTION

Front

DO YOU ALWAYS NEED THIS DEVICE ON A HOT WATER BOILER?

Back

NO

6.

FLASHCARD QUESTION

Front

ON A STEAM BOILER, WHAT IS THE NAME OF THIS DEVICE?

Back

AN OPERATING PRESSURE SWITCH

7.

FLASHCARD QUESTION

Front

WHAT IS THIS DEVICE USUALLY CALLED?

Back

A HIGH LIMIT SWITCH WITH MANUAL RESET

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