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ICA > ICA Module 1 Section 7 > Flashcards

ICA Module 1 Section 7 Flashcards

1
Q

List 6 characteristics of a good chimney

A

BRICK, METAL GOOD MORTAR JOINTS, CLEAN FLUE, HIGH ENOUGH

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2
Q

Give a short definition of each term: chimney, flue & vent.

A

MASONRY SURROUNDING FLUE, SPACE THAT LETS SMOKE OUT, EXHAUSTS GAS

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3
Q

CHIMNEYS MAY HAVE MULTIPLE FLUES: T/F

A

TRUE

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4
Q

MASONRY CHIMNEYS USUALLY HELP SUPPORT WOOD-FRAME STRUCTURES.

A

FALSE

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5
Q

LIST 4 COMMON FUELS THAT NEED CHIMNEYS

A

WOOD, PROPANE, GAS, OIL

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6
Q

LIST 6 THINGS THAT AFFECT CHIMNEY DRAFT

A

HEIGHT, FLUE SIZE, OFFSET FROM VERTICAL IN CHIMNEY, APPLIANCES, # OF APPLIANCES USING CHIMNEY

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7
Q

LIST THE 5 BASIC COMPONENTS OF A MASONRY CHIMNEY

A

FOOTING, VENT CONNECTORS, CHIMNEY WALLS, FLUE COVER, CAP/CROWN

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8
Q

WHY IS CONDENSTION AN ISSUE IN CHIMNEYS

A

CAN SPALL/BREAK MASONRY AFTER FREEZING & EXPANDING IN MASONRY

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9
Q

LIST 15 COMMON CHIMNEY PROBLEMS

A

CRACKING, MISSING LINERS, TOO SHORT, TOO CLOSE TO STUFF, FLUE BUCKLED, MISSING CAP, MISSING MORTAR

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10
Q

LIST AT LEAST 5 IMPLICATIONS OF CHIMNEYS SETTLING OR LEANING

A

FALLING, FIRE HAZARD, GAS ENTRY INTO HOUSE FROM CRACKS, WATER LEAKAGE

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11
Q

LIST 4 IMPLICATIONS OF CRACKED CHIMNEYS

A

WATER LEAKAGE, FAILURE, INCREASED MAINTENANCE, FIRE HAZARD, EXHAUST INTERUSE

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12
Q

WHAT IS THE MAXIMUM THAT A CHIMNEYCAN BE OFFSET FRO VERTICAL?

A

30 DEGREES

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13
Q

HOW FAR SHOULD A MASONRY CHIMNEY EXTEND ABOVE THE ROOF?

A

3 FEET

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14
Q

15 FEETWHAT IS THE MINIMUM TOTAL HEIGHT FOR A CHIMNEY SERVING A WOOD STOVER?

A
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15
Q

WHEN DID MASONRY CHIMNEYS START TO GET BUILT WITH CLAY LINERS?

A

EARLY 1900S

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16
Q

YOU CAN TELL WHETHER A CHIMNEY IS LINED BY LOOKING FOR A LINER EXTENDING ABOVE THE TOP T/F

A

FALSE

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17
Q

GENERALLY SPEAKING, HOW FAR SHOULD WOOD-FRAMING MEMBERS BE KEPT AWAY FROM MASONRY CHIMNEYS?

A

2 INCHES

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18
Q

TWO WOOD-BURNING FIREPLACES CAN SHARE A SINGLE FLUE, AS LONG AS THEY ARE ON THE SAME FLOOR LEVEL. T/F

A

FALSE

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19
Q

B VENTS ARE TYPICALLY USED FOR WHICH FUELS?

A

NATURAL GAS, PROPANE

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20
Q

L VENTS ARE TYPICALLY USED FOR WHICH FUELS?

A

GAS, OIL

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21
Q

CLASS A CHIMNEYS ARE YPICALLY USED FOR WHICH FUELS?

A

OIL, WOOD

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22
Q

FACTORY-BUILT CHIMNEYS (SUPER CHIMNEYS) ARE TYPICALLY USED FOR WHICH FUELS?

A

SOLID

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23
Q

ANY B-VENT CAN BE INSTALLED UP THE OUTSIDE OF A HOUSE. T/F

A

FALSE

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24
Q

METAL CHIMNEYS OFTEN HAVE SEVERAL FLUES. T/F

A

TRUE?

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25
Q

LIST AT LEAST 12 COMMON METAL CHIMNEY VENT PROBLEMS

A

NOT LABELED, SECTIONS NOT WELL SECURED, NOT WELL SUPPORTED, INADEQUATE CLEARANCE FROM CONBUSTIBLES, RUSTING, NOT THROUGH ROOF

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26
Q

LIST AT LEAST ONE IMPLICATION FOR EACH OF THESE CONDITIONS FOR CHIMNEY VENT PROBLEMS.

A

CAUSE FIRE, KILL PEOPLE

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27
Q

LIST AT LEAST ONE INSPECTION STRATEGY FOR EACH OF THE CHIMNEY PROBLEMS.

A

VISUAL INSPECTION

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28
Q

METAL CHIMNEYS THAT EXTEND MORE THAN ___ FEET ABOVE THE ROOF SHOULD BE LATERALLY SUPPORTED.

A

5 FEET

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29
Q

METAL CHIMNEYS FOR WOOD FIREPLACES TYPICALLY NEED __ INCHES OF CLEARANCE FROM COMBUSTIBLES.

A

2 INCHES

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30
Q

WHAT PART OF METAL CHIMNEYS OFTEN RUST?

A

SECTIONS ABOVE ROOF LINE

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31
Q

IT IS GOOD PRACTICE TO CONNECT A METAL CHIMNEY TO A MASONRY CHIMNEY PARTWAY UP A HOUSE SO THAT THE EXTERIOR PART OF THE CHIMNEY IS MASONRY. T/F

A

FALSE

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32
Q

DEFINE CREOSOTE

A

SOOT/BLACK POWDERY FLAKY SUBSTANCE

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33
Q

WHICH CHIMNEY IS LIKELY TO HAVE A HEAVIER CREOSOTE DEPOSIT–A WARM CHIMNEY OR A COLD CHIMNEY?

34
Q

LIST 2 TYPES OF WOOD-BURNING FIREPLACES.

A

FACTORY BUILT, MASONRY

35
Q

FIREPLACES CAN BE BUILT-IN OR FREESTANDING. T/F

36
Q

FIREPLACES ARE DESIGNED AS A PRIMARY HEATING SOURCE IN MOST CASES. T/F

37
Q

LIST 8 BASIC COMPONENTS OF A MASONRY FIREPLACE

A

FIREBOX, CHIMNEY MANTEL, ASH PIT, FOOTING, GLASS DOORS, GAS IGNITER

38
Q

FACTORY-BUILT FIREPLACES DO NOT HAVE A SOMKE SHELF. T/F

39
Q

HOW FAR SHOULD COMBUSTIBLES BE FROM CLEANOUT DOORS?

40
Q

HOW FAR SHOULD COMBUSTIBLES BE FROM FIREPLACE OPENINGS?

41
Q

HOW FAR ABOVE FIREPLACE OPENINGS SHOULD COMBUSTIBLES BE IF THEY PROJECT OUT BEYOND THE OPENING BY 11/2 INCHES?

42
Q

HOW FAR SHOULD COMBUSTIBLES BE FROM THE FIREBOX WALLS?

43
Q

HOW FAR SHOULD COMBUSTIBLES BE FROM CHIMNEYS?

44
Q

HOW FAR SHOULD COMBUSTIBLES BE FROM AN OUTSIDE COMBUSTION-AIR INLET DUCT?

45
Q

ZERO-CLEARANCE FIREPLACES DO NOT TYPICALLY REQUIRE ANY CLEARANCE FROM COMBUSTIBLES AT THE TOP OF THE FIREBOX.

46
Q

A HOME INSPECTION INCLUDES AN ANALYSIS OF THE QUALITY F CHIMNEY DRAW FOR A FIREPLACE. T/F

47
Q

BASEMENT FIREPLACES TYPICALLY DRAW BETTER THAT FIRST OR SECOND FLOOR FIREPLACES BECAUSE THE CHIMNEY IS TALLER. T/F

48
Q

SMOKE ON A MANTEL ALWAYS MEANS A POOR DRAFTING FIREPLACE. T/F

49
Q

MATCH THE WORDS THAT GO TOGETHER:
HEARTH FRONT HEARTH
INNER HEARTH OUTER HEARTH
BACK HEARTH HEARTH EXTENSION

A

HEARTH/HEARTH EXTENSION, INNER HEARTH/OUTER HEARTH, BACK HEARTH/FRONT HEARTH

50
Q

INSIDE THE FIREBOX OF A MASONRY FIREPLACE, THE SURFACE OF THE HEARTH IS TYPICALLY WHAT MATERIAL?

51
Q

THE HEARTH EXTENSION TYPICALLY SITS ON __INCHES OF__.

A

4’ CONCRETE

52
Q

HEARTHS SHULD EXTEND __INCHES OUT IN FRONT AND __INCHES TO EITHER SIDE OF THE FIREPLACE OPENING.

A

16’, 8’

53
Q

IF THE FIREBOX IS RAISED, THE HEARTH EXTENSION CAN BE SMALLER. T/F

54
Q

7 COMMON HEARTH PROBLEMS

A

TOO SHORT, SETTLED CRACKED, WRONG MATERIAL, TOO THIN, EVIDENCE OF OVERHEATING

55
Q

FUNCTION OF A FIREBOX

A

CONTAIN FIRE

56
Q

A COMMON MIMIMUM FIREBOX DEPTH REQUIREMENT IS _ INCHES

56
Q

METAL FIREBOXES SHOULD BE MORTARED TIGHTLY TO THE MASONRY OF THE FIREPLACE

56
Q

CLAY TILE LINERS SHOULD BE SUPPORTED ON METAL FIREBOXES

56
Q

LINTELS SHOULD BE MORTARED TIGHTLY INTO PLACE T/F

56
Q

ZERO-CLEARANCE FIREPLACES REQUIRE FOOTINGS & FOUNDATIONS. T/F

56
Q

LIST 8 COMMON FIREBOX PROBLEMS

A

LOOSE MORTAR, CRACKED, RUSTED (METAL), WRONG MATERIALS, TOO SHALLOW, LINTELS RUSTED

56
Q

LIST 2 FUNCTIONS OF A FIREPLACE DAMPER

A

EXHAUST, KEEP COLD AIR OUT

57
Q

CAN DAMPERS EVER BE AT THE TOP OF THE CHIMNEY?

58
Q

WOULD YOU EVER FIND A DAMPER THAT WAS PERMANENTLY OPEN?

59
Q

LIST 6 COMMON DAMPER PROBLEMS

A

MISSING, RUSTED, LOOSE, TOO SMALL

60
Q

DESCRIBE THE LOCATION & SHAPE OF THE THROAT, THE SMOKE SHELF, & THE SMOKE CHAMBER.

A

THROAT= TOP OF FIREBOX, SMOKE SHELF, BEHIND DAMPER, SMOKE CHAMBER=ABOVE DAMPER

61
Q

CALDESCRIBE THE CHARACTERISTICS OF A WELL-DESIGNED & WELL-BUILT SMOKE CHAMBER

A

45 DEGREES OR LESS OFF VERTICAL

62
Q

LIST 7 PROBLEMS WITH THROATS, SMOKE SHELVES, & SMOKE CHAMBERS.

A

MISSING, DEBRIS, EXCESS SLOPE, WOOD FORMS NOT REMOVED, RUST (METAL)

63
Q

LIST 6 FIREPLACE, FACE, OR BREAST PROBLEMS

A

CRACKED, LOOSE, TOO THICK, COMBUSTIBLE SUBSTANCES

64
Q

LIST 2 REASONS WHY OUTDOOR COMBUSTION AIR FOR FIREPLACES MAY BE A GOOD IDEA

A

MAKE MORE EFFICIENT, BETTER AIR FLOW

65
Q

LIST 4 TYPES OF ELECTRIC HEATING

A

SPACE HEATERS, FURNACES, BOILERS, RADIANT HEATING

66
Q

LIST ATLEAST 20 ELECTRICAL PROBLEMS THAT YOU MIGHT FIND ASSOCIATED WITH ANY ELECTRIC RESISTANCE HEATING SYSTEM

A

WIDE OVERHEATING, WIRE DAMAGED, LOOSE CONNECTORS, OPEN SPLICES, WIRES TOO SMALL, LOOSE CONNECTIONS

67
Q

WHICH IS MORE DANGEROUS A 20-VOLT HEATER ON A 120-VOLT CIRCUIT OR A 120-VOLT HEATER ON A 240-VOLT CIRCUIT?

A

120-VOLT ON 240-VOLT

68
Q

LIST 9 PROBLEMS SPECIFIC TO ELECTRIC SPACE HEATERS.

A

NOT WORKING, DIRTY FINS, OBSTRUCTED, NOISY FANS, RUSTED HEATING

69
Q

WHAT ARE COMMON SIZES FOR ELECTRIC FURNACES?

A

10-30 KILOWATT (INCLEMENTS OF 5 KILOWATTS)

70
Q

BRIEFLY DESCRIBE THE OPERATION OF A SEQUENCER

A

TO SEQUENCE FUNCTIONS SO THEY DON’T ALL COME ON AT ONCE

71
Q

DESCRIBE HOW A STAGED ELECTRIC FURNACE WOULD COME ON.

A

WHEN THE FURNACE CALLS FOR HEAT (ITS COLD), THE ELEMENT TURNS ON

72
Q

CAN YOU LOOK AT THE ELEMENTS ON AN ELECTRIC FURNCAE OR BOILER?

73
Q

WHAT IS THE NORMAL SETTING OF A HIGH-TEMPERATURE LIMIT FOR AN ELECTRIC FURNACE?

74
Q

WHAT IS A SALI SWITCH?

A

A SWITCH THAT PROTECTS THE ELEMENTS FROM OVERHEATING. IF THERE IS NO AIRFLOW THE SWITCH WILL NOT ALLOW ELEMENTS TO HEAT UP

75
Q

WHAT IS THE TYPICAL TEMPERATURE RISE ON AN ELECTRIC FURNACE?

A

50-60 DEGREES

76
Q

LIST 2 COMMON PROBLEMS SPECIFIC TO ELECTRIC FURNACES.

A

ELEMENTS OR SEQUENCES NOT WORKING

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