TFM03 EXAM STUDY GUIDE
Discharge nozzle - Answers -Device from which the extinguishing agent is discharged
to provide for suppression of a fire in the designated hazard.
Auxiliary equipment - Answers -Equipment used in conjunction with the wet chemical
systems, for example, to shut down power fuel or ventilation to the hazard being
protected or to initiate signaling devices.
Branch duct - Answers -The ductwork that contains the exhaust air from a single hood
or hazard area
Common duct - Answers -The ductwork containing the exhaust air from two or more
branch ducts.
Expellant Gas - Answers -The median used to discharge extinguishing agent from its
container.
Indicator - Answers -A mechanical or electrical device that shows when extinguishing
system or critical component of it is ready to operate or if it has already operated.
Pre-engineered systems - Answers -Those systems have predetermined, flow rate,
nozzle, pressures, and quantities of extinguishing agent and having specific pipe size,
maximum and minimum pipe links, flexible, hose, specifications, number of fittings and
number of types of nozzles.
Recharge - Answers -The replacement of the extinguishing agent and expelling gas
Servicing - Answers -Performing maintenance recharging, or hydrostatic testing.
Shut off devices - Answers -Devices that operate simultaneously with the extinguishing
system to shut off fuel and power to appliances, protected by the system and other
appliances required to be shut off upon operating the system.
Signal - Answers -A status indication communicated by electrical or other means
Wet chemical - Answers -Normally, a aqueous solution of organic or inorganic salt or a
combination, thereof that forms and extinguishing agent
Manual operation - Answers -Operation of a system or its components through human
action
Automatic operation - Answers -Operation without human intervention this operation
includes but is not limited to heat, rate of heat rise smoke or pressure change.
Discharge nozzle - Answers -Device from which the extinguishing agent is discharged
to provide for suppression of a fire in the designated hazard.
Auxiliary equipment - Answers -Equipment used in conjunction with the wet chemical
systems, for example, to shut down power fuel or ventilation to the hazard being
protected or to initiate signaling devices.
Branch duct - Answers -The ductwork that contains the exhaust air from a single hood
or hazard area
Common duct - Answers -The ductwork containing the exhaust air from two or more
branch ducts.
Expellant Gas - Answers -The median used to discharge extinguishing agent from its
container.
Indicator - Answers -A mechanical or electrical device that shows when extinguishing
system or critical component of it is ready to operate or if it has already operated.
Pre-engineered systems - Answers -Those systems have predetermined, flow rate,
nozzle, pressures, and quantities of extinguishing agent and having specific pipe size,
maximum and minimum pipe links, flexible, hose, specifications, number of fittings and
number of types of nozzles.
Recharge - Answers -The replacement of the extinguishing agent and expelling gas
Servicing - Answers -Performing maintenance recharging, or hydrostatic testing.
Shut off devices - Answers -Devices that operate simultaneously with the extinguishing
system to shut off fuel and power to appliances, protected by the system and other
appliances required to be shut off upon operating the system.
Signal - Answers -A status indication communicated by electrical or other means
Wet chemical - Answers -Normally, a aqueous solution of organic or inorganic salt or a
combination, thereof that forms and extinguishing agent
Manual operation - Answers -Operation of a system or its components through human
action
Automatic operation - Answers -Operation without human intervention this operation
includes but is not limited to heat, rate of heat rise smoke or pressure change.
