ILLINOIS PLUMBING CORRECT TEST PAPER
QUESTIONS AND ANSWERS SURE A+
✔✔What is an 'Indirect Waste'? - ✔✔A pipe that does not connect directly with the
drainage system but conveys liquid waste by discharging through an air gap into the
drainage system.
✔✔What is an 'Individual Dry Vent'? - ✔✔A pipe installed to vent a single fixture trap
that connects with the vent system above the fixture served or that terminates in the
outside atmosphere.
✔✔What does 'Individual Water System' refer to? - ✔✔A piping system that supplies
potable water for a single family dwelling, including the water service line and all potable
water piping.
✔✔Define 'Industrial Wastes'. - ✔✔Liquid wastes resulting from the processes
employed in industrial and commercial establishments.
✔✔What does 'Insanitary' mean? - ✔✔Contaminated; not hygienic or sufficiently
unclean to endanger health.
✔✔What is an 'Interceptor'? - ✔✔A device designed to separate and retain hazardous
or undesirable matter from normal waste, allowing normal sewage to discharge into the
drainage system.
✔✔What is the 'Invert' in plumbing? - ✔✔The lowest part of the internal cross-section of
a pipe or conduit.
✔✔What is a 'Joint' in plumbing? - ✔✔The juncture of two pipes, a pipe and a fitting, or
two fittings.
,✔✔Define 'Kiosk' in a plumbing context. - ✔✔A freestanding place of employment that
has five or fewer employees at any time, located inside or outside a building.
✔✔What is a 'Kitchen or Bar Sink Faucet'? - ✔✔A faucet that discharges into a kitchen
or bar sink in domestic or commercial installations.
✔✔What does 'Labeled' indicate in plumbing materials? - ✔✔It indicates that an agency
approved by the Department has certified the plumbing material to comply with
applicable standards.
✔✔What is a 'Lavatory Faucet'? - ✔✔A faucet that discharges into a lavatory basin in a
domestic or commercial installation.
✔✔What does 'Lead Free' mean in plumbing? - ✔✔Refers to products containing not
more than 0.2 percent lead in solder and flux, and no more than a weighted average of
0.25 percent lead in wetted surfaces.
✔✔Define 'Length of Pipe'. - ✔✔The overall distance measured along the center line of
a pipe.
✔✔What is a 'Line Valve'? - ✔✔A valve in the water supply distribution system, except
those immediately controlling one fixture supply.
✔✔What is 'Liquid Waste'? - ✔✔The discharge from any fixture, appliance, or
appurtenance in a plumbing system that does not receive fecal matter.
✔✔What does 'Load Factor' represent? - ✔✔The percentage of the total connected
fixture unit flow rate likely to occur at any point in the drainage system.
✔✔What is a 'Local Ventilating Pipe'? - ✔✔A pipe on the fixture side of the trap that
removes vapors or gases from a room or fixture to the outside atmosphere.
✔✔Define 'Loop Vent'. - ✔✔A circuit vent that loops back to connect with a stack vent
instead of a vent stack, limited to floor drains and floor outlet fixtures.
✔✔What is a 'Low Hazard Substance'? - ✔✔Any substance that may discolor water or
cause an unusual odor or taste but will not cause illness if consumed.
✔✔What is a 'Main' in plumbing? - ✔✔The principal artery of a piping system to which
branches may be connected.
✔✔What is a 'Main Vent'? - ✔✔The principal artery of the venting system to which vent
branches may be connected.
, ✔✔Define 'Maximum Demand' in plumbing. - ✔✔The greatest requirement of flow of
either water supply or waste discharge from the fixtures of a building.
✔✔What is a 'Manhole'? - ✔✔An opening constructed to permit access to an enclosed
space in a plumbing system.
✔✔What is a 'Metering Faucet'? - ✔✔A self-closing faucet that dispenses a specific
volume of water for each actuation cycle.
✔✔What are 'Minor Repairs'? - ✔✔Repairs that do not require changes in the piping to
or from plumbing fixtures.
✔✔What are 'Multi-person Showers'? - ✔✔Shower compartments designed for use by
two or more persons simultaneously.
✔✔What does 'New Plumbing' refer to? - ✔✔Any plumbing system or part of a plumbing
system being installed or recently completed.
✔✔What is 'Non-Potable Water'? - ✔✔Water that does not meet drinking water quality
standards and is not suitable for human consumption.
✔✔Define 'Occupancy' in a plumbing context. - ✔✔The purpose for which a building is
currently used, particularly in residential contexts.
✔✔What is an 'Offset' in plumbing? - ✔✔A combination of elbows or bends that brings
one section of pipe into a line parallel with another section.
✔✔What does 'Open Plumbing' mean? - ✔✔Installation of plumbing so that traps and
drainage pipes are ventilated and accessible for inspection.
✔✔What is an 'Overflow Rim'? - ✔✔The top edge of a receptacle or fixture over which a
liquid will flow when filled beyond capacity.
✔✔What is 'Peppermint Oil' used for in plumbing? - ✔✔A pungent oil used in testing a
drain, waste, and vent system for leaks.
✔✔What is the 'Peppermint Test'? - ✔✔A test for leakage using peppermint oil and hot
water, relying on the sense of smell to detect leaks.
✔✔What is Peppermint Oil used for in plumbing? - ✔✔It is used in the Peppermint Test
to detect leaks in drain, waste, and vent systems.
✔✔What is the Peppermint Test? - ✔✔A test for leakage using peppermint oil and hot
water, relying on the sense of smell to identify leaks.
QUESTIONS AND ANSWERS SURE A+
✔✔What is an 'Indirect Waste'? - ✔✔A pipe that does not connect directly with the
drainage system but conveys liquid waste by discharging through an air gap into the
drainage system.
✔✔What is an 'Individual Dry Vent'? - ✔✔A pipe installed to vent a single fixture trap
that connects with the vent system above the fixture served or that terminates in the
outside atmosphere.
✔✔What does 'Individual Water System' refer to? - ✔✔A piping system that supplies
potable water for a single family dwelling, including the water service line and all potable
water piping.
✔✔Define 'Industrial Wastes'. - ✔✔Liquid wastes resulting from the processes
employed in industrial and commercial establishments.
✔✔What does 'Insanitary' mean? - ✔✔Contaminated; not hygienic or sufficiently
unclean to endanger health.
✔✔What is an 'Interceptor'? - ✔✔A device designed to separate and retain hazardous
or undesirable matter from normal waste, allowing normal sewage to discharge into the
drainage system.
✔✔What is the 'Invert' in plumbing? - ✔✔The lowest part of the internal cross-section of
a pipe or conduit.
✔✔What is a 'Joint' in plumbing? - ✔✔The juncture of two pipes, a pipe and a fitting, or
two fittings.
,✔✔Define 'Kiosk' in a plumbing context. - ✔✔A freestanding place of employment that
has five or fewer employees at any time, located inside or outside a building.
✔✔What is a 'Kitchen or Bar Sink Faucet'? - ✔✔A faucet that discharges into a kitchen
or bar sink in domestic or commercial installations.
✔✔What does 'Labeled' indicate in plumbing materials? - ✔✔It indicates that an agency
approved by the Department has certified the plumbing material to comply with
applicable standards.
✔✔What is a 'Lavatory Faucet'? - ✔✔A faucet that discharges into a lavatory basin in a
domestic or commercial installation.
✔✔What does 'Lead Free' mean in plumbing? - ✔✔Refers to products containing not
more than 0.2 percent lead in solder and flux, and no more than a weighted average of
0.25 percent lead in wetted surfaces.
✔✔Define 'Length of Pipe'. - ✔✔The overall distance measured along the center line of
a pipe.
✔✔What is a 'Line Valve'? - ✔✔A valve in the water supply distribution system, except
those immediately controlling one fixture supply.
✔✔What is 'Liquid Waste'? - ✔✔The discharge from any fixture, appliance, or
appurtenance in a plumbing system that does not receive fecal matter.
✔✔What does 'Load Factor' represent? - ✔✔The percentage of the total connected
fixture unit flow rate likely to occur at any point in the drainage system.
✔✔What is a 'Local Ventilating Pipe'? - ✔✔A pipe on the fixture side of the trap that
removes vapors or gases from a room or fixture to the outside atmosphere.
✔✔Define 'Loop Vent'. - ✔✔A circuit vent that loops back to connect with a stack vent
instead of a vent stack, limited to floor drains and floor outlet fixtures.
✔✔What is a 'Low Hazard Substance'? - ✔✔Any substance that may discolor water or
cause an unusual odor or taste but will not cause illness if consumed.
✔✔What is a 'Main' in plumbing? - ✔✔The principal artery of a piping system to which
branches may be connected.
✔✔What is a 'Main Vent'? - ✔✔The principal artery of the venting system to which vent
branches may be connected.
, ✔✔Define 'Maximum Demand' in plumbing. - ✔✔The greatest requirement of flow of
either water supply or waste discharge from the fixtures of a building.
✔✔What is a 'Manhole'? - ✔✔An opening constructed to permit access to an enclosed
space in a plumbing system.
✔✔What is a 'Metering Faucet'? - ✔✔A self-closing faucet that dispenses a specific
volume of water for each actuation cycle.
✔✔What are 'Minor Repairs'? - ✔✔Repairs that do not require changes in the piping to
or from plumbing fixtures.
✔✔What are 'Multi-person Showers'? - ✔✔Shower compartments designed for use by
two or more persons simultaneously.
✔✔What does 'New Plumbing' refer to? - ✔✔Any plumbing system or part of a plumbing
system being installed or recently completed.
✔✔What is 'Non-Potable Water'? - ✔✔Water that does not meet drinking water quality
standards and is not suitable for human consumption.
✔✔Define 'Occupancy' in a plumbing context. - ✔✔The purpose for which a building is
currently used, particularly in residential contexts.
✔✔What is an 'Offset' in plumbing? - ✔✔A combination of elbows or bends that brings
one section of pipe into a line parallel with another section.
✔✔What does 'Open Plumbing' mean? - ✔✔Installation of plumbing so that traps and
drainage pipes are ventilated and accessible for inspection.
✔✔What is an 'Overflow Rim'? - ✔✔The top edge of a receptacle or fixture over which a
liquid will flow when filled beyond capacity.
✔✔What is 'Peppermint Oil' used for in plumbing? - ✔✔A pungent oil used in testing a
drain, waste, and vent system for leaks.
✔✔What is the 'Peppermint Test'? - ✔✔A test for leakage using peppermint oil and hot
water, relying on the sense of smell to detect leaks.
✔✔What is Peppermint Oil used for in plumbing? - ✔✔It is used in the Peppermint Test
to detect leaks in drain, waste, and vent systems.
✔✔What is the Peppermint Test? - ✔✔A test for leakage using peppermint oil and hot
water, relying on the sense of smell to identify leaks.
