WorksheetsFNG Refresher - Flame Detection
Total questions: 25
Worksheet time: 15mins
Which is a valid Rosemount 975 part number?
975MR-1A-6A-1-A2
975UF-3A-1-6S-A1
975UR-2R-6S-2-A2
975HR-1R-8A-3-A1
Check the pairs that are correct
40/40-001 - Tilt Mount
00975-9000-0003 - Stainless Steel Weather Cover
380151 - FS Charger
00975-9000-005 - Air Shield
Every how many minutes does a flame detector conduct automatic BIT in normal status? in BIT fault status?
1 minute, 30 seconds
5 minutes, 1 minute
10 minutes, 1 minute
15 minutes, 1 minute
______ has the longest detection range and ______ has the fastest detection speed. (Input Spectrex model separate by ",", example: 40/40R, 40/40U)
(a)
Which flame detector/s are capable of detecting invisible hydrogen flame?
975HR
975MR
975UF
975UR
What is the model of the light polycarbonate commercial flame detector?
20/20MPI
20/20MI
20/20ML
20/20MPL
What model has the ability to be used as an End of the Line Relay?
40/40I-212SF
40/40I-122SF
40/40I-412SF
40/40I-321SF
Which flame detector technology is suitable for thick black smoke flames?
Triple IR
Ultraviolet
Ultraviolet Infrared
Infrared with Camera
What are examples of UV energy absorbers?
Oil & Greese
Ice or Snow
Boilers or Heaters
Flare Stacks
Standard Window Glass
TRUE or FALSE? A technician puts scaffolds in front of a flame detector blocking its path to a tank. The detector goes into fault.
TRUE
FALSE
Which flame detector/s can you change its sensitivity setting?
975MR
975HR
975UF
975UR
What output does the 20/20 series lack?
RS485
Fault Relay
Alarm Relay
HART
4-20mA
Which flame simulator/s will flash when operated?
FS-1100
FS-1200
FS-1300
FS-1400
Which is the 975HR?
In troubleshooting, what is the Winhost status code for BIT Fault? BIT Failure? (Answer should be separated by a "," example: A1, A2)
(a)
Which of the following statement is TRUE?
The tilt mount is needed for pole mount installation but not for duct mount installation.
The tilt mount is needed to use both the pole mount and the duct mount.
The tilt mount is needed for duct mount installation but not for pole mount installation.
The tilt mount is not needed for both pole mount and duct mount installation.
TRUE or FALSE? Both Air Shield and Weather Cover can be used at the same time.
TRUE
FALSE
In troubleshooting, what 975 model configuration requires a jumper between terminals 1 and 8?
1A
2A
3A
What is the model of the flame detector in the picture?
20/20MPI
20/20ML
20/20MI
20/20MPL
What Spectrex 40/40 models have BIT?
40/40M
40/40U
40/40L4
40/40UFI
40/40R
What is the default alarm delay for 975UR? For 975MR?
3 seconds, Antiflare
Antiflare, Antiflare
Antiflare, 3 seconds
3 seconds, 3 seconds
What FS would trigger a 20/20ML UV/IR flame detector?
FS-1100
FS-1200
FS-1300
FS-1400
A customer wants a flame detector for a clean fuel (natural gas?) Which of the following flame detectors would you offer?
40/40I
40/40M
40/40UFL
40/40L4B
Which of the following relays will change status during successful manual BIT of a 975UR3A6S1A2? During BIT fault?
Fault Relay, Alarm Relay
Both Fault and Alarm
Alarm Relay, Fault Relay
Choose actions you can do using the Winhost software.
Change sensitivity
Change confirugation
Assign a tag
Assign an address
Adjust the start temperature of the window heater?
