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Measurement of Mercury and Heavy Metals Emissions from Fossil- Fired Power Plants


Quiz Questions

1.Who developed OHM method?
Dr. Keith
Dr. Nenad Sarunac
Mr. Mark Seibel
None of the above
2. The impinger samples were recovered into pre-cleaned glass bottles with ____________ lids.
Vented Lined
Teflon Lined
Vented Teflon Lined
None of the above
3.Impinger 8 (silica gel impinger) this sample is weighed for moisture determination and is not included in the which analysis?
Hydrochloride
Hydroxylamine
Mercury
None of the above
4.Data is continuously acquired and stored by the Autosampler and include_____________.
Stack temperature
Sample Vacuum pressures
Probe Temperature
All of the above
5.How many phases of CMM commissioning, installation and calibration activities?
5
4
6
7
6.The ____________has been developed specifically for the measurement of total and speciated mercury emissions from coal-fired combustion sources.
OHM
DHM
AHM
None of the above
7.The diagram shows which of the following?
Measurement of Mercury and Heavy Metals Emissions from Fossil- Fired Power Plants

OHM sampling train
E sampling train
Both a & b
None of these
8.When sampling takes place upstream of PM control equipment, the sampling train filter has the potential to collect a high loading of fly ash.
True
False
9.For each OHM test, a series of sampling system leakage checks were performed, including________________.
Pre-test
During test
Post-test
All of the above
10.The impinger samples were recovered into what type of bottles?
Non-cleaned glass bottle with Vented Teflon-lined lids.
Pre-cleaned glass bottle with Vented Teflon-lined lids
Pre-cleaned glass bottle without lid
None of the above
11.EPA Method 29, also known as the_____________.
Multiple metals stack emission measurement method
Single plastic stack emission measurement method
Non metal stack emission measurement method
Emission Probed Analysis
12.EPA Method 29 was used at Armstrong to measure _____________metals concentration in flue gas.
Light
Non
Heavy
None of these
13.European standard specifies a ___________reference method for determination of the mass concentration of mercury in the flue gas in power plant stacks.
Automatic
Manual
Both a & b
None of these
14.Mercury emissions were also measured by the Sorbent Trap Method.
True
False
15.The GE/PSA system is equipped to independently measure the probe dilution ratio using pre- and post-dilution ___________measurements.
SO2
HO2
CO2
None of the above
16.Probe flow is measured by a mass flow controller (for the analyzer flow) and a mass flow meter (for the excess flow).
True
False
17.The mercury analyser uses a "trap and purge" technique.
True
False
18.Thermo Electron Mercury Freedom TM System has an inertial filter probe with dilution ____________.
(100:0)
(200:1)
(100:2)
(100:1)
19.Hg+2 Calibration Gas Moisture Levels, a higher moisture level requires a lower solution concentration, and a lower moisture level requires a higher solution concentration to deliver the same calibration gas concentration.
True
False
20.IRM stands for______________.
International Reference Method
Instructive Reference Method
Inductive Reference Method
Instrumental Reference Method