IC "A" School – Airflow, H2S, Refrigerant Practice Test

These questions are part of the practice quiz. Start practicing

• What is the only equipment setting that can be changed in normal display mode?
• Which PCB controls and drives the alphanumeric display LEDs, the bar graph LEDs and the alarm indicator LED?
• During a warning or danger condition, what happens to the detector head indicators?
• How many major components does the detector head consist of? What are they?
• What components make up the power input modules?
• What is the name of the refrigerant monitoring system mentioned?
• Amber Flashing indicates the refrigerant concentration has exceeded which level?
• At what battery voltage does a battery failure alarm get generated?
• To manage the system, which option should you select?
• What type of tubing connects a SAMM to the sample area?
• Which status indicates all conditions are normal?
• IDLH threshold is greater than what ppm?
• The front panel provides which capabilities?
• What are the two ranges of FPMs that airflow monitors?
• What does the input power pass through before the fuse?
• Which condition defines a total power failure?
• Which LED color is most numerous in the Bar Graph Display?
• Which statement best describes the role of the +5 VDC in the system?
• Which LED color indicates danger on the control panel?
• What failure message is displayed for a battery failure?
• LS1 identifies which alarm?
• What happens to the SAFE indicator during a warning condition?
• What pointer indicates the airflow alarm set point?
• A sensor failure is present if the output current of the sensor falls below _________ or exceeds _________
• What does the Sierra Model 1400 H2S System Provide?
• Which pairing correctly lists the AIP's two modes of operation?
• Which statement best describes the overall purpose of the airflow monitoring system?
• Amber Steady indicates which condition?
• What capability does the control unit have regarding system commands?
• How long are current alarm status and analysis indicated on the operator's keypad?
• Which message would appear if the battery fails?
• How do you adjust the alarm set point?
• How long after exposure to very high concentrations can unconsciousness occur?
• Exposure to H2S concentrations greater than 1000 ppm causes which outcome?
• How many LEDs does the control panel contain and what are the indicator colors?
• Non-toxic status is achieved when exposure is maintained below what limit?
• What is the circuit designation for the airflow indicator and alarm system?
• Breathing very high concentrations can do what?
• What is the maximum operation time on a fully charged battery for the digital AIP system?
• What spaces are considered to be Immediately Dangerous to Life or Health spaces?
• Where is the control unit mounted?
• Exposure to H2S concentrations of 500-1000 ppm causes which effects?
• What is the primary effect of entering management mode on automatic operations?
• How many functions are listed on the systems options screen?
• The network module contains ________ that controls display, local and remote communication interfaces, sample management and data storage.
• Where is the infrared signature sent for analysis and subsequent action?
• Which function would you use to view system logs from the systems options screen?
• To access and adjust subsystems, which option would you choose?
• Which statement best describes Spur kits in this system?
• What does the network control module do?
• Red Steady indicates which level has been exceeded?
• What is the purpose of the airflow indicator system designated HF?
• Which voltages does the DC power supply transformer produce and what do they power?
• How many detector heads are in the H2S gas detector system?
• What failure message is displayed for a sensor failure?
• What are the user adjustable equipment settings provided for?
• What color is the warning strobe used when a warning is indicated?
• What are the two main components of the detector head?
• Amber Steady indicates what condition has occurred in the last 12 hours?
• Which unit provides remote alarm signaling for airflow issues?
• What are the warning condition indications?
• When does a danger condition occur and, what other condition also exists at that time?
• Why does the battery LED blink periodically?
• Which option should be used to manage or configure subsystems?
• Which component protects against transient voltages in the power input module?
• What unit is used to express exposure limits?
• Green Steady indicates which condition?
• Who recommends the exposure limit?
• What are the danger condition indications?
• How far can the pinwheel rotor (vanes) be extended into the duct?
• Where does the system monitor for H2S gas, and how frequently?
• During a warning condition, which devices in the CHT pump room are activated?
• How many detector head indicators are shown on the control panel?
• What does the digital airflow indicator panel display?
• What is digital airflow indicating system comprised of?
• How many SAMMs are available in the Parasense monitors?
• Airflow remote alarm mounting type?
• A total power failure is defined as which combination?
• How is each SAMM connected to the sample area?
• Which function is used to perform a diagnostic check?
• The first operation is to ________ the ________ lines.
• At what rate does the alphanumeric display alternate between measured airflow and failure messages?
• What are the three units of the airflow system?
• How do you select a menu function?
• How many key components does the Parasense refrigerant monitor consist of?
• How can H2S enter the body?
• Which function on the system options screen initiates a test of the system's behavior?
• Which health effect is most associated with 50-500 ppm H2S exposure?
• Which status indicates a fault exists?
• Which option lists the three PCBs found in the digital AIP?
• What is the range capability of the sensor?
• How often does the microcontroller read the output signals from the four detector heads?
• What do the two positions of the drop flag indicate?
• When the alarm condition is met, what happens on the control panel?
• At the top of the enclosure there are how many connectors for which cabling?
• The digital AIP system can operate off a fully charged battery for up to ______ with a ______ recharge time if the battery is fully ______.
• Which indicator is illuminated specifically during a danger condition?
• What does the S4 push button do?
• Navy refrigerant vapors are how much heavier than air?
• Which device signals danger in the H2S safety system?
• Green Flashing indicates which condition?
• When can you re-enter a space after a warning or danger alarm?
• How many pins connect the sensor assembly to the transmitter assembly?
• Which function would you use to access the SAMMs LIST on the system options screen?
• Which device would produce a local audible alarm when active?
• Which unit houses the pinwheel rotor in the airflow system?
• If any detector head senses a gas concentration greater than the set point continuously for how many seconds, the alarm condition is met?
• What does H2S gas smell like?
• Upon initial startup, the digital AIP will be in _________ mode
• What provides multiple sensing points since most of refrigerant is lost due to a large number of small leaks?
• Exposure to H2S concentrations of 50-500 ppm causes which effects?
• Which statement about the H2S detector system is true?
• Which of the following is NOT a mode of operation for the AIP?
• Which module is responsible for analyzing the gas signatures and triggering actions?
• Which statement about the alphanumeric display's update behavior when faults are present is accurate?
• H2S is a natural by-product of which process?
• How many volts is the battery in the indication and control panel?
• How is a warning indicated?
• Which function would you use to view system performance data?
• What are the AIP's two modes of operation?
• What spaces are airflow systems monitoring?
• What pointer indicates actual airflow?
• What color on the drop flag indicates normal operation?
• What are the appearance and toxicity characteristics of H2S gas?
• How many PCBs are found in the digital AIP?
• If the refrigerant concentration exceeded the alert level, which status would be shown?
• Which statement best describes the digital airflow indicating system?
• If the refrigerant concentration exceeded the alarm level, which color/status would be shown?
• Who do you notify about an alarm condition?
• How many feet away is the sensing unit from the indicating and control panel?
• Are Navy approved halocarbon refrigerants heavier than air?
• When is the warning condition cleared?
• DS1 is which type of indicator?
• Which indicator is associated with the Flag Drop condition?
• What makes up a spur kit?
• If the digital AIP detects a sensor fault, which message would appear?
• Which component is responsible for driving the alphanumeric display LEDs, the bar graph LEDs, and the alarm indicator LED?
• What components make up the STYX module?
• What will all sample pipes be terminated by?
• What two sensors can the digital airflow indicating system use?
• When does a warning condition exist?
• What is the detector head enclosed in?
• What happens if a sample contains one of the targeted gases?
• How do you calculate the number of FPM represented by the green LEDs in the bar graph?
• How do you energize the digital AIP system?
• Which action adjusts the minimum level of the airflow indicator?
• What are the power requirements for the airflow indicator and its control and alarm system?
• The test push button is used to ...
• True or False: H2S is heavier than air.
• How many detector heads are mounted in the CHT pump rooms?
• What components make up the SAMMs module?
• What does DS1 indicate if it is extinguished?
• Digital displays ______ airflow.
• What concentration can produce a cardiac sensitization response in the presence of epinephrine?
• True or False: The H2S system can interface with an alarm SWBD.
• Which indicator would signal a power issue in the system?
• Where is the detector head located?
• Where does the H2S monitoring occur?
• In what location is the pinwheel rotor positioned for measurement?
• How is the control unit powered?
• CKT Designation for H2S
• The airflow remote alarm is designed for which mounting type?
• What is the primary function of the control unit in the system?
• Which of the following is a function on the systems options screen?
• Where does the red strobe light and bell ring during a danger condition?
• What occurs to automatic functions when management mode is active?
• Which health effect is most associated with 500-1000 ppm H2S exposure?
• Which statement best describes the effect of entering management mode?
• The number of pulses is _________ to the _________ of the vanes.
• A concentration of H2S above which ppm typically leads to rapid collapse?
• Which function would you access to view historical event records on the system options screen?
• DS3 indicates what?
• DS2 is used to indicate which condition?
• What happens when the monitor is in management mode?
• The 8-hour time-weighted average refers to average exposure over what period?
• Which of the following is NOT a PCB found in the digital AIP?
• What does Red Flashing indicate?
• How many LEDs are in the Bar Graph Display and what colors are they?