313 4th attempt
問題一覧
1
superheat
2
always more than unity
3
pitted contact
4
27.7" WC
5
outer sheath colour
6
sensible heat only
7
primary side
8
it heats it
9
suction pressure
10
100
11
Between the saturated liquid line and saturated vapour line
12
4 kw
13
it condenses
14
Before entering the expansion valve
15
high speed
16
t moves the heat from the refrigerated area to another area.
17
all of the above
18
A testing apparatus used for measuring building envelope air tightness.
19
it decreases
20
one of the easiest ways to make an immediate impact on energy savings.
21
create positive pressure conveying flue gases to the outside
22
Nontoxic and non-inflammable
23
zinc
24
British Thermal Unit
25
Sensible heat
26
It would cause the low side pressure to decrease.
27
At the 12 o'clock position
28
Hazard prevention and control.
29
class C
30
goes down
31
(Actual C.O.P.) /(Theoretical C.O.P.)
32
7.2
33
greater then
34
When the manifold gauge are disconnected
35
reciprocating semi-hermetic
36
The solder is applied to the splice after it has been heated for a few seconds.
37
Moisture damage to a furnace heat exchanger and inadequate humidity removal during cooling cycles.
38
a leaking compressor suction valve.
39
discharge line
40
A pressure/temperature chart
41
pressure
42
over charged system
43
low on charge
44
defrost will seldom occur
45
defrost will always engage when compressor run time elapses and will last the full 10 minutes
46
primarily to prevent the excess absorption of super heat
47
is the same throughout the series path
48
POE
49
above the compressor crankcase
50
FPM
51
superheated
52
recover the refrigerant, evacuate the system, replace the filter core, recharge the system
53
the reduction of refrigerant temperature below the saturation point
54
conduction, convection, and radiation
55
lateral
56
all of the above
57
mid-seated
58
sensible in Latent heat
59
10 BTUs
60
type k
61
free area
62
centrifugal expansion valve
63
20° of superheats
64
low on evaporator airflow
65
saturated
66
duct tape
67
smaller the particulates the filters can entrap
68
dry bulb temperature
69
C = (F - 32) ÷ 1.8
70
14.7
71
fully backseated
72
325 degrees
73
both inches of mercury in microns
74
provide supplementing heating indoors
75
2 to 3
76
absorptive
77
evaporator superheat
78
improve oil return as system capacity changes
79
a undercharge system
80
there is a leak or moisture remaining in the system
81
180 BTUs
82
a register
83
compressor discharge service valve
84
semi hermetic compressor
85
calculate the heat load for each room
86
to prevent ice formation inside the system
87
the capacity of the evaporator
88
the boiling point of liquid decreases
89
High evaporator air flow
90
the pressures must be nearly equalized before the compressor can start
91
poor oil return to the compressor
92
in an air conditioner
93
investigate why the fuse was bypassed and repair
94
to displace oxygen from inside the joint being braised
95
the fan will can run continuously the burner will not ignite
96
Raise the refrigerant's pressure and temperature
97
Pumping down the system
98
Active and passive
99
Increased energy consumption and reduced efficiency
100
Programmable Logic Controller
問題一覧
1
superheat
2
always more than unity
3
pitted contact
4
27.7" WC
5
outer sheath colour
6
sensible heat only
7
primary side
8
it heats it
9
suction pressure
10
100
11
Between the saturated liquid line and saturated vapour line
12
4 kw
13
it condenses
14
Before entering the expansion valve
15
high speed
16
t moves the heat from the refrigerated area to another area.
17
all of the above
18
A testing apparatus used for measuring building envelope air tightness.
19
it decreases
20
one of the easiest ways to make an immediate impact on energy savings.
21
create positive pressure conveying flue gases to the outside
22
Nontoxic and non-inflammable
23
zinc
24
British Thermal Unit
25
Sensible heat
26
It would cause the low side pressure to decrease.
27
At the 12 o'clock position
28
Hazard prevention and control.
29
class C
30
goes down
31
(Actual C.O.P.) /(Theoretical C.O.P.)
32
7.2
33
greater then
34
When the manifold gauge are disconnected
35
reciprocating semi-hermetic
36
The solder is applied to the splice after it has been heated for a few seconds.
37
Moisture damage to a furnace heat exchanger and inadequate humidity removal during cooling cycles.
38
a leaking compressor suction valve.
39
discharge line
40
A pressure/temperature chart
41
pressure
42
over charged system
43
low on charge
44
defrost will seldom occur
45
defrost will always engage when compressor run time elapses and will last the full 10 minutes
46
primarily to prevent the excess absorption of super heat
47
is the same throughout the series path
48
POE
49
above the compressor crankcase
50
FPM
51
superheated
52
recover the refrigerant, evacuate the system, replace the filter core, recharge the system
53
the reduction of refrigerant temperature below the saturation point
54
conduction, convection, and radiation
55
lateral
56
all of the above
57
mid-seated
58
sensible in Latent heat
59
10 BTUs
60
type k
61
free area
62
centrifugal expansion valve
63
20° of superheats
64
low on evaporator airflow
65
saturated
66
duct tape
67
smaller the particulates the filters can entrap
68
dry bulb temperature
69
C = (F - 32) ÷ 1.8
70
14.7
71
fully backseated
72
325 degrees
73
both inches of mercury in microns
74
provide supplementing heating indoors
75
2 to 3
76
absorptive
77
evaporator superheat
78
improve oil return as system capacity changes
79
a undercharge system
80
there is a leak or moisture remaining in the system
81
180 BTUs
82
a register
83
compressor discharge service valve
84
semi hermetic compressor
85
calculate the heat load for each room
86
to prevent ice formation inside the system
87
the capacity of the evaporator
88
the boiling point of liquid decreases
89
High evaporator air flow
90
the pressures must be nearly equalized before the compressor can start
91
poor oil return to the compressor
92
in an air conditioner
93
investigate why the fuse was bypassed and repair
94
to displace oxygen from inside the joint being braised
95
the fan will can run continuously the burner will not ignite
96
Raise the refrigerant's pressure and temperature
97
Pumping down the system
98
Active and passive
99
Increased energy consumption and reduced efficiency
100
Programmable Logic Controller