Queensland Coal Mining Ventilation Officer (VO) Law Practice Exam

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• How is an acceptable level of risk achieved?
• Who has the obligation to inform other persons about information they need to know to protect themselves from injury or illness?
• Which statement best describes testing frequency for the inertisation equipment connection point?
• How must scrubber fans be located and operated?
• An airlock installed for an underground mine entrance must be capable of withstanding a pressure pulse of what value while open?
• Which of the following is included in the actions to achieve the objects of the Act?
• Which of the following statements best describes the general obligations of persons?
• What does it mean to 'deal' with a fan?
• Which location is listed as a place where the mine atmosphere must be monitored?
• Where must the wet bulb, dry bulb and resultant effective temperature be measured and recorded as often as necessary?
• Where must the record of the values or trends of gas concentrations detected by the gas monitoring system be kept?
• Which of the following is NOT a dangerous situation for a coal mine?
• At what methane concentration must the detector automatically trip the electricity supply to the auxiliary fan?
• When can a person interfere, adjust or change a ventilation device?
• What record must the VO ensure for general body concentrations of atmospheric contaminants and gases, and how long must the record be kept?
• What must the UMM ensure after giving inspector the 'notice of intention to seal mine'?
• What type of explosion risk zone would a place be if repairs to a methane drainage pipeline are being carried out there, if there is no other reason to identify it as a zone of that or any other type?
• What is an ERZ1?
• When can a Ventilation Officer hold another appointment?
• If the general body methane in the mine exceeds 2.5%, what information must be recorded, and how long must the record be kept?
• Which statement describes ALARA in relation to contaminants?
• If dust levels cannot be reduced to required limits, which supplementary measure is mandated for workers?
• In a drift being driven from the surface in material other than coal, what triggers alarms to everyone in the drift?
• What must be carried out before a 'notice of intention to seal mine' is made?
• If substantial changes are made to the ventilation system in a place where the mine's air quality and flow have to be measured, when must the flow rate be measured?
• At what concentration in the general body must the electricity supply to non intrinsically safe plant in the adjacent ERZ1 be automatically switched off by an automatic methane detector located in the intake airway at the interface between a NERZ and ERZ1?
• Under what condition must persons be withdrawn if the gas monitoring system fails?
• When a longwall shearer's detector indicates 2% methane around the machine, what action is required?
• Which concentration triggers the trip of the internal combustion engine on explosion-protected LHD vehicles?
• Which statement correctly describes signage for a boundary between a NERZ and an ERZ0?
• In a longwall return airway, detectors must be located in which zones?
• What is the meaning of consultation?
• For methane detectors on explosion-protected LHD vehicles powered by a battery or internal combustion engine, which sequence of actions occurs as methane concentration increases?
• How is the location and type of ERZ determined?
• Where must notice boards for displaying safety and health notices and plans be located?
• Explain what type B, C and D ventilation control devices are and under what conditions they must be used?
• What does the 'maximum exposure limit concentration' for a contaminant mean?
• For a boundary between two ERZ1 zones, how should the signpost face?
• How often must the operation of each airlock installed for an entrance at the mine be tested, other than pressure tested?
• To whom must a notice of intention to seal a mine be given?
• What is required to happen if the level of risk is unacceptable?
• Which situation is explicitly associated with ERZ1?
• What arrangement must be made so alarms can be acknowledged if gas alarm levels are exceeded?
• In developing SOPs, what must the SSE have regard to when developing controls for hazards?
• Who carries out underground inspections and must check the barometric pressure trend and current reading?
• Competence is defined as?
• Which equipment detectors must be replaced or repaired immediately if they fail in service?
• Where must the visual alarm be visible when the automatic methane detector located in the intake airway at the interface between a NERZ and ERZ1 detects the prescribed concentration of methane in the general body?
• Which item is explicitly exempt from the ventilation requirements?
• When can a person be exposed to H2S exceeding the LTEL?
• Which action is the VO authorized regarding gas alarm levels?
• For a longwall shearer, what are the detector requirements, alarm and trip settings, and SOP requirement?
• For a boundary between an ERZ1 and an ERZ0, into which zone should the signpost face?
• What must the VO ensure for atmosphere containing contaminants?
• What action must be taken if a reading of > 0.5% methane is detected in the general body where welding is being carried out in a permanent underground workshop?
• The SSE must ensure the mine has sufficient personal gas detectors for detecting which gases?
• What does the minimum Type C Seal Monitor behind the seal need to detect when the general body behind the seal is greater than 3%?
• Where must methane detectors be located in the Longwall return?
• How is safety and health defined in the Act?
• When does s344(1)(a) not apply?
• What does open circuit capacity refer to in relation to auxiliary fans?
• Which of the following describes risk management participation at the mine?
• What conditions must be satisfied for a person to be appointed as a ventilation officer?
• Which SOP details the actions to take if the ventilation system fails?
• How do you decide if the level of risk is within acceptable limits?
• Under which condition can a person be exposed to an atmosphere containing a concentration of Carbon Dioxide not more than 30,000 ppm?
• What is the purpose of providing portable gas detectors to personnel under the UMM's authority?
• When may a person give a technical direction about a safety and health matter to a person appointed to be responsible for the control and management of underground activities when the manager is not in attendance at the mine?
• List 3 types of environmental tests which must be regularly conducted?
• What facilities at the mine, associated with inertisation, must be tested at appropriate intervals?
• What is an ERZ0?
• What is the meaning of hazard?
• On a longwall shearer, what are the alarm and trip settings for the detector that monitors the general body methane around the machine?
• At what frequency must the air flow rate in the return airway of a main upcast fan be measured and recorded?
• What action occurs when CH4 GB concentration in the return air exceeds 2%?
• Which option is NOT a component of the risk management process described?
• What does the Act apply to?
• When must the UMM give a notice of intention to seal a mine to an Inspector, ISHR or SSHR?
• How long is a single entry drive defined as?
• If a continuous miner has two automatic methane detectors, where are they located and what are their alarm and trip settings?
• What is required before sealing operations begin in potentially dangerous conditions?
• Which statement correctly describes hazard and risk relationship?
• Which statement best describes a requirement of the primary escapeway?
• What is inrush?
• Which of the following is true about gas monitoring during sealing?
• What zones are considered relevant zones (ERZ) for methane detector placement?
• If a particular activity SOP is updated, where should the copy be kept?
• Who bears responsibility for ensuring ERZ locations and types are identified by risk assessment?
• If it becomes impracticable to seal the way the UMM proposed, what must the UMM do?
• What atmospheric temperature measurements must be made and recorded at each operating coal face?
• Under what condition does the requirement to monitor the auxiliary fan with a detector not apply?
• The Act provides a way of monitoring the effectiveness and administration of which provisions?
• What is the meaning of risk?
• What must the SSE be sure of before assigning the tasks of a supervisor to a person?
• Barometric pressure measurement and recording: which statement is true?
• Which action is authorized by the VO regarding sampling equipment?
• What trends or values must the gas monitoring system automatically detect or calculate?
• The heat stress provisions must have regard to criteria stated in what?
• Which source should be used for hazard control methods when developing SOPs?
• When can a person enter or remain UG after the mine or part has been sealed?
• Which statement is true regarding monitoring of contaminant concentrations in all places where controlled ventilation is required?
• What must be done if the average concentration of respirable dust in the atmosphere cannot be reduced to the levels stated in the regulation?
• What is the minimum requirement for maintaining intake air and return air to each part of the mine?
• What must be recorded in the SOP when changing gas alarm levels?
• Which statement best represents a situation where you do not require one entry to conduct return air from a part of the mine?
• What is the purpose of the SOP in relation to working in air contaminated by H2S?
• What is the primary function of a scrubber fan?
• What must the SSE ensure regarding refresher training?
• What is the regulatory requirement for methane detectors on the main exhausting fan?
• Which of the following describes how an auxiliary fan must be located and operated, and how the minimum panel air flow is determined?
• To whom must notification of proposed interference be given?
• What type of gas monitoring is included in a drift being driven from the surface in material other than coal?
• What CH4 concentration threshold triggers an alarm on detectors based on PHMP guidelines?
• What is the primary purpose of keeping an accessible current list of SOPs on site?
• What are the requirements for sealing the entrance of an underground mine?
• Which role is responsible for ensuring the mine's air quality is measured and recorded under section 362?
• Which process should be used for risk management in SOP development?
• What percentage of incombustible dust must be maintained in underground roadways adjacent to hot work outside a permanent underground workshop?
• The SOP for second workings must include which elements?
• In this regulatory framework, what does RA stand for when identifying ERZ?
• What is a scrubber fan?
• What does the 'applicable long-term exposure limit concentration' for a contaminant mean?
• Which notices must be given to an inspector?
• For a longwall face near the face, at what concentration should equipment be tripped?
• When a Ventilation Officer directs the starting or stopping of an auxiliary fan, who must be given notice beforehand?
• What must be fitted to each surface fan and booster fan to detect a significant departure from the fan's normal operating parameters?
• Which statement describes one objective of the Act?
• Where must automatic methane detectors be located on or near a long wall face?
• Who is exempt from the no-exposure requirement when a contaminant is present at levels above the limit?
• Which provision could be included in an SOP for methane detector issues on machines or vehicles?
• What must a PHMP do?
• What actions must the SSE take when aware that the average concentration of respirable dust exceeds stated levels?
• What must the UMM ensure regarding providing portable gas detectors?
• 12500 ppm CO2 equals what percentage by volume?
• The wet bulb and dry bulb measurements must be taken 'as often as necessary' having regard to circumstances at the mine. Which option reflects this?
• What is the purpose of recognised standards?
• What does ULOR stand for?
• What is the meaning of the term 'acceptable level of risk' in the context of management?
• For longwall workings, where should the monitoring device be positioned?
• The minimum air flow in any panel is calculated as the sum of what components?
• What is the purpose of a PGD in this detector system?
• Which action would be considered a dangerous situation in relation to sealing operations?
• When is risk from coal mining operations at an acceptable level?
• At what concentration must the visual alarm be automatically activated by an automatic methane detector located in the intake airway at the interface between a NERZ and ERZ1?
• What is a booster fan?
• List 4 functions of a ventilation officer?
• What is the Ventilation Officer responsible for?
• When an automatic methane detector trips the electricity, what must the UMM ensure?
• Which areas must airflow rates be calculated and recorded for?
• And the detector located between the LW face and return airway, what must be tripped?
• Which of the following describes monitoring related to conveyor systems?
• Which role statement is true regarding alarm management and detector responsibility?
• If products of combustion are detected by the mine's gas monitoring system, where must the alarm be activated to warn persons of the products' presence?
• Is an SOP required for action when power trips or detectors fail in service?
• How can obligations be discharged if regulation or recognised standard is made?
• What must the mines gas monitoring system provide for?
• If the general body concentration detected at the ERZ/NERZ interface exceeds 0.5%, what must be tripped?
• Where must ERZ boundaries be signposted and which direction must they face for a boundary between a NERZ and an ERZ1?
• Where must a copy of the current SOP for a particular activity be kept?
• What does the regulation require as a general backup for the gas monitoring system?
• If no regulation or recognised standard is made, obligations may be met by:
• Where must continuous monitoring sensors be installed to detect products of combustion?
• What must be included in the 'notice of intention to seal mine'?
• List 3 matters that must be provided in the SHMS for emergency evacuation?
• What are the notification obligations if the average respirable dust concentration exceeds stated levels?
• On underground points, which location must air flow rate be recorded at least once on each working shift?
• What must the VO provide for in regard to the general body concentrations for particular gases and contaminants?
• Which statement describes when gas monitoring failure constitutes a dangerous situation?
• What is the meaning of accident?
• What is the minimum number of automatic methane detectors required to monitor the ventilating air passing through the main exhausting fan?
• Who does the Act apply to?
• Which of the following is a required element of a coal mine SHMS?
• What are the detector requirements for a continuous miner or road header regarding location, alarm level, and trip level?
• In a line of ventilation stoppings separating intake from return, how many temporary stoppings may be immediately adjacent to the last line of cut-throughs?
• What gases must the gas monitoring system continuously monitor for at the return airway of each ventilation split?
• Which equipment types require automatic methane detectors under the regulation?
• After the first trigger of elevated respirable dust, when must a follow-up sample be collected?
• At what methane concentration must hot work be stopped if underground?
• What are the average concentration limits a worker must not breathe in the atmosphere over an 8 hour period?
• What must be monitored and recorded in each place with respect to atmospheric contaminants?
• Which capability must an auxiliary fan be capable of?
• Which statement best describes a worker's obligation to manage risk and ULOR?
• Which location is the return of each airway at the upcast shaft for monitoring?
• Who may require additional measurement locations beyond those listed?
• How often must a worker holding a certificate of competency be given refresher training under a mine training scheme?
• Which of the following is a basic element that a coal mine SHMS must include?
• What is the purpose of consulting a cross section of mineworkers when developing a standard operating procedure?
• In a controlled ventilation area, a CH4 concentration threshold of what percentage makes the area dangerous?
• Which of the following is a mandatory PHMP?
• What information about SOPs must be kept in a location easily accessible by each coal mine worker at the mine?
• Under what condition may a signpost not be changed?
• What is the incombustible material content for mine roadway dust within 200 m outbye the last completed line of panel cut-throughs?
• What is the purpose of the automatic methane detector installed on the armoured face conveyor tailgate drive motor?
• What are the requirements for review of the PHMPs and SOPs?
• Who must the SSE consult with when developing a standard operating procedure?
• What condition must be met before a worker undertakes work?
• Which persons can deal with a fan?
• At what concentrations does the detector alarm and trip for non-explosion-protected plant?
• Which statement correctly describes ERZ0?
• What is meant by the term 'controlled ventilation'?
• What must the SHMS provide in regard to coal dust explosion prevention and control?
• Which of the following is a type of equipment that must be protected by methane detectors?
• If the mine ventilation system fails totally or partly for more than 30 minutes, what must be in place?
• What must be tested by the emergency exercises conducted as part of a mines SHMS?
• Which of the following is NOT a circumstance under which a person may be exposed to an effective temperature exceeding 29.4 C?
• If products of combustion are detected by the gas monitoring system, where must the alarm be activated?
• Who must the UMM immediately notify if an underground mine, or part of it needs to be sealed in an emergency?
• If a machine has 2 fixed methane detectors and only 1 fails, does the machine need to automatically shutdown?
• At what concentration of methane must people be withdrawn from a part of a mine that is required to be ventilated?
• What is an auxiliary fan?
• In the event of a detector failing in service, where should a PGD be used?
• What is the requirement regarding access to SOPs at a mine?
• What is the minimum number of headings that must be ventilated with intake air in a group of main roads that are being driven this year?
• At what general body concentration would you immediately shut off power to an explosion-protected electrically powered loader, vehicle or plant with a trailing cable?
• Which statement best describes the requirements for the mine ventilation system?
• What are the six mandatory PHMPs?
• When is a supervisor defined in the Act?
• What is the maximum concentration of Carbon Dioxide that a person can be exposed to at the mine?
• In the sealing notice, which item must be included regarding ignition sources?
• What facilities must be included in at least one of seals at a mine which has been sealed?
• In a booster fan methane detection system, at what concentration does the automatic detector trigger an audible and visible alarm?
• What must the SHMS provide for in regard to dust?
• What is one mechanism for achieving the objects of the Act?
• If the general body methane concentration around a longwall shearer reaches 1%, what must happen?
• How must a device behave when it detects a significant departure from the fan's normal operating parameters?
• Who must be given refresher training?
• What concentrations must be monitored and recorded in the atmosphere of the work environment?
• Which of the following best describes the ongoing purpose of risk management in a coal mine?
• Longwall return detectors must be located at what distance outbye from the corner of the tailgate block side rib line and the longwall coal face?
• What is the overarching safety requirement regarding worker exposure to respirable dust and silica?
• Where must the device displaying the results of the monitoring be located?
• What reports must the VO prepare?
• What must happen if a coal mine is dangerous?
• Where must automatic methane detectors be located according to the regulation?
• Which statement best describes the 50m/24hr provision for stonedusting?
• What is the meaning of principal hazard?
• Which statement best describes LTEL in relation to MEL in this context?
• What is the meaning of a safety and health management system?
• What action is required when a place with controlled ventilation has a GBC of at least 2.5% CH4?
• Which recording location is intended to be easily accessible to workers?
• When intake air travels across the face of a permanent seal, which matters must be addressed?
• What is the meaning of competence?
• When can a person be exposed to H2S exceeding the MAX EXPOSURE LIMIT?
• What is the meaning of standard operating procedure?
• Where must the concentration of methane, carbon monoxide, carbon dioxide and oxygen be continuously monitored by the gas monitoring system?
• What action must occur if a fixed methane detector malfunctions or fails?
• What is a NERZ?
• Who may change a gas alarm setting?
• What is the meaning of a high potential incident?
• Under what condition may more than two temporary stoppings be installed adjacent to the last line of cut-throughs?
• Which time basis is used for long-term exposure limit (LTEL) values?
• Under what circumstances may the VO require airflow measurements at locations beyond those specified?
• What is an automatic methane detector?
• What must the SHMS provide for managing risk from heat?
• What must be done before returning to the mine if risk is not at an acceptable level?
• For mobile bolters and explosion-protected loaders, what are the detector alarm and trip concentrations?
• Where must the barometric pressure record be kept?
• What is the retention period for the event record after a detector trip due to automatic detector action?
• What must be signed on the monthly ventilation report?
• Which statement best describes the operator’s obligation when a worker exercises their rights in an immediate danger situation?
• Which statement correctly reflects the inclusion of the goaf area return airway in monthly airflow measurements?
• If more than one detector fails, what procedure is required?
• If the detector located between the LW face and intake airway exceeds 2%, what must be tripped?
• How long is a temporary absence for a Ventilation Officer?
• Which statement best describes the function of methane detectors on non-explosion-protected plant?
• Which of the following is part of achieving the objects of the Act under the PRIME framework?
• If the detector protecting an auxiliary fan fails, what action is required to keep the fan running, and in which situation does this not apply?
• What is the meaning of serious accident?
• Who may take action to stop the use of specified plant or substances when risk is unacceptable?
• What is the minimum frequency to measure and record the air flow rate at the intake airway on the return side of seals over which intake air passes?
• What must be satisfied by any ventilation control device mentioned in schedule 4, column 1?
• What must a coal mine worker do if competent and able to eliminate the hazard?
• One objective of the Act is to require that the risk of injury or illness from coal mining operations be at an acceptable level. Which statement best describes this objective?
• What is the 8-hour average exposure limit for respirable silica in the atmosphere?
• Which situation does not require controlled ventilation to be applied to a location?
• Other places stated in the PHMP for gas monitoring include which of the following?
• Which statement is true regarding methane detectors on underground equipment?
• When performing tasks under supervision, a worker must ensure that their responsibilities do not expose themselves or others to ULOR.
• What must the VO ensure regarding engine pollutants?
• For non-explosion-protected plant, which thresholds describe the required alarm and trip?
• What boundary methane concentration distinguishes ERZ1 from ERZ0?
• Who is responsible for ensuring scrubber fans prevent uncontrolled air recirculation?