MSP
問題一覧
1
a catwalk minimum 18 inches and adequate lighting available
2
OSHA
3
yes
4
yes
5
100,000 BTU
6
British thermal unit
7
.60
8
1.0
9
yes
10
4.5%-15%
11
above 15%
12
below 4.5%
13
a smell added to odorless gas
14
50% mercaptan 50% thiophane
15
fuel, air, temperature, time
16
air mixed with the gas prior to combustion
17
air in the atmosphere surrounding the flame
18
carbon dioxde, water vapor, heat
19
carbon monoxide, soot, aldehydes
20
soot on appliance, melted wires, aldehyde odor,
21
puking, headaches, unconscious,
22
lack of secondary air, obstruction in heat exchanger, or restriction or secondary air inlets
23
excess of primary air, primary air shutter may be too open, pressure to high
24
lack of primary air, dust & lint in Venturi throat
25
a type of floating flame, lack of combustion air
26
1,000
27
1100-1300 F
28
10 CF air to 1 CF gas
29
complete if the flame is not obstructed
30
incomplete
31
regulates temperature by turning the appliance on and off automatically
32
provides a source of ignition to the main burner & maintain heat on a “safety” device (the magnet)
33
allow ignition & combustion @ the burner ports to contain a stable flame & mix gas/air prior to ignition
34
they control the flow of gas to the main burner (some have safeties)
35
a device that stops the flow of gas to the main burner if the pilot goes out
36
when gas goes to the pilot but shuts off at the main burner
37
when gas is shut off to both pilot and main burner
38
no
39
yes
40
automatic shut off
41
allow products of combustion to vent outside
42
they do not
43
converts fire from gas into a usable form
44
move the heated air to wherever it is needed
45
fuel type, btu, clearance to combustibles, model #, vent information
46
within 2 minutes
47
energize magnetic safety systems
48
100% safety
49
blocks the flow of gas to the main burner while lighting a pilot
50
orange/thick wires, ceramic around pilot
51
primary and secondary air
52
opening to allow combustion air to enter near appliance
53
air fan pushes through ducts
54
separate combustion and circulation air
55
prevent downdraft, excessive updrafts, moderate stack temperature
56
could pull flames off burner and cause incomplete combustion
57
A- masonry and Transite b- insulated or dual wall sheet metal C- single wall sheet metal
58
0 inches
59
1 inch
60
6 inches
61
prevent downdraft and keeps debris and elements out
62
cap, draft diverter diverter, vent pipe
63
if charred, shut down and tag; if in good condition, leave appliance on but tag unsatisfactory
64
temp fix to close small gaps/holes
65
no
66
outside
67
transitions, gaps/cracks, double draft diverters, rust/corrosion, proximity to combustibles, duct tape/foil tape
68
nope
69
sheet metal screws
70
snap connectors and require a draft hood
71
match test all the small holes on snap connectors
72
nope
73
cubic feet
74
check for leaks, verify the meter is registering, and general safety
75
2 cubic feet per hour
76
90 seconds
77
6 min
78
18 inches
79
when two appliances are vented together
80
category 1
81
no
82
when there is secure firm hand holds
83
100
84
plumbed down (and away)
85
they need to be checked individually and while both running
86
on the rating tag
87
yes
88
120 F
89
no because there is no draft diverter
90
energy cut off
91
interior the circuit to the safety when overheated
92
in the control valve (new FVIR heaters have them built into thermocouple)
93
floating flame
94
earthquake straps
95
outside building, rooms being heated, or combo
96
in the same confines space as the combustion air inlet, garage, not within 10ft of other vent outlets
97
combustion & circulating air need to be seperated
98
rated BTU divided by 1000 times 2 equals air opening size in sq in
99
yes
100
detects products of combustion through draft diverter due to non venting and shuts appliance off
問題一覧
1
a catwalk minimum 18 inches and adequate lighting available
2
OSHA
3
yes
4
yes
5
100,000 BTU
6
British thermal unit
7
.60
8
1.0
9
yes
10
4.5%-15%
11
above 15%
12
below 4.5%
13
a smell added to odorless gas
14
50% mercaptan 50% thiophane
15
fuel, air, temperature, time
16
air mixed with the gas prior to combustion
17
air in the atmosphere surrounding the flame
18
carbon dioxde, water vapor, heat
19
carbon monoxide, soot, aldehydes
20
soot on appliance, melted wires, aldehyde odor,
21
puking, headaches, unconscious,
22
lack of secondary air, obstruction in heat exchanger, or restriction or secondary air inlets
23
excess of primary air, primary air shutter may be too open, pressure to high
24
lack of primary air, dust & lint in Venturi throat
25
a type of floating flame, lack of combustion air
26
1,000
27
1100-1300 F
28
10 CF air to 1 CF gas
29
complete if the flame is not obstructed
30
incomplete
31
regulates temperature by turning the appliance on and off automatically
32
provides a source of ignition to the main burner & maintain heat on a “safety” device (the magnet)
33
allow ignition & combustion @ the burner ports to contain a stable flame & mix gas/air prior to ignition
34
they control the flow of gas to the main burner (some have safeties)
35
a device that stops the flow of gas to the main burner if the pilot goes out
36
when gas goes to the pilot but shuts off at the main burner
37
when gas is shut off to both pilot and main burner
38
no
39
yes
40
automatic shut off
41
allow products of combustion to vent outside
42
they do not
43
converts fire from gas into a usable form
44
move the heated air to wherever it is needed
45
fuel type, btu, clearance to combustibles, model #, vent information
46
within 2 minutes
47
energize magnetic safety systems
48
100% safety
49
blocks the flow of gas to the main burner while lighting a pilot
50
orange/thick wires, ceramic around pilot
51
primary and secondary air
52
opening to allow combustion air to enter near appliance
53
air fan pushes through ducts
54
separate combustion and circulation air
55
prevent downdraft, excessive updrafts, moderate stack temperature
56
could pull flames off burner and cause incomplete combustion
57
A- masonry and Transite b- insulated or dual wall sheet metal C- single wall sheet metal
58
0 inches
59
1 inch
60
6 inches
61
prevent downdraft and keeps debris and elements out
62
cap, draft diverter diverter, vent pipe
63
if charred, shut down and tag; if in good condition, leave appliance on but tag unsatisfactory
64
temp fix to close small gaps/holes
65
no
66
outside
67
transitions, gaps/cracks, double draft diverters, rust/corrosion, proximity to combustibles, duct tape/foil tape
68
nope
69
sheet metal screws
70
snap connectors and require a draft hood
71
match test all the small holes on snap connectors
72
nope
73
cubic feet
74
check for leaks, verify the meter is registering, and general safety
75
2 cubic feet per hour
76
90 seconds
77
6 min
78
18 inches
79
when two appliances are vented together
80
category 1
81
no
82
when there is secure firm hand holds
83
100
84
plumbed down (and away)
85
they need to be checked individually and while both running
86
on the rating tag
87
yes
88
120 F
89
no because there is no draft diverter
90
energy cut off
91
interior the circuit to the safety when overheated
92
in the control valve (new FVIR heaters have them built into thermocouple)
93
floating flame
94
earthquake straps
95
outside building, rooms being heated, or combo
96
in the same confines space as the combustion air inlet, garage, not within 10ft of other vent outlets
97
combustion & circulating air need to be seperated
98
rated BTU divided by 1000 times 2 equals air opening size in sq in
99
yes
100
detects products of combustion through draft diverter due to non venting and shuts appliance off