PLUMBING LEVEL 3 EXAM 2023-2024 ACTUAL EXAM 60 QUESTIONS AND CORRECT DETAILED ANSWERS
128 fluid ounces - (answer) In liquid-volume measure using the english system, 1 gallon is equal to 4
quarts or_
metric system - (answer) The International System of units is another name for the_
Area - (answer) Floor space is measured in_
Isosceles Triangle - (answer) A three-sided figure with two sides of equal length is called a(n)_
Improper DWV Venting - (answer) A typical cause of siphonage and back pressure is _
Globe valves - (answer) The same basic internal parts are used on angle valves, compression faucets,
and _
capped - (answer) At the end of each workday, all installed pipes should be _
Prevent the water in the disinfecting chamber from cooling the lamp - (answer) The purpose of the
quartz sleeve in an ultraviolet-light system is to _
hard water - (answer) Water that contains a high percentage of minerals is called _
cubic centimeter - (answer) Water Hardness is measured in grains per _
Pressure-type vacuum breaker - (answer) The water line supplying a swimming pool requires the
installation of a(n) _
are not normally fitted with shutoff valves or test cocks - (answer) Dual-check valve backflow
preventer assemblies are difficult for plumbers to remove, test, or replace because they _
car washes - (answer) Plumbing codes require the installation of reduced-pressure zone principle
backflow preventer assemblies in _
, PLUMBING LEVEL 3 EXAM 2023-2024 ACTUAL EXAM 60 QUESTIONS AND CORRECT DETAILED ANSWERS
are equipped with strainers - (answer) To prevent clogging by foreign matter in the water, many
backflow preventers _
Static Head Loss - (answer) The difference in elevation between the supply line and the system's
highest fixture is called _
backflow - (answer) A cross-connection becomes dangerous when there is a _
the odor of the smoke - (answer) If a leak is too small for escaping smoke to be visible, the leak may be
detected by _
vent stack - (answer) The central vent in a building is the _
hardness - (answer) Calcium and magnesium salts in water are the cause of _
green - (answer) Acid in the water can react with copper pipes to leave stains that are _
six - (answer) The number of types of simple machines is _
multiples of 12 - (answer) For calculating area, lengths and widths are expressed in _
scale on the construction drawings - (answer) To determine the proper measurements for a floor,
always refer to the _
62.31 pounds - (answer) One cubic foot of water has a weight of _
decrease its density but increase its volume - (answer) Increasing the temperature of water will _
128 fluid ounces - (answer) In liquid-volume measure using the english system, 1 gallon is equal to 4
quarts or_
metric system - (answer) The International System of units is another name for the_
Area - (answer) Floor space is measured in_
Isosceles Triangle - (answer) A three-sided figure with two sides of equal length is called a(n)_
Improper DWV Venting - (answer) A typical cause of siphonage and back pressure is _
Globe valves - (answer) The same basic internal parts are used on angle valves, compression faucets,
and _
capped - (answer) At the end of each workday, all installed pipes should be _
Prevent the water in the disinfecting chamber from cooling the lamp - (answer) The purpose of the
quartz sleeve in an ultraviolet-light system is to _
hard water - (answer) Water that contains a high percentage of minerals is called _
cubic centimeter - (answer) Water Hardness is measured in grains per _
Pressure-type vacuum breaker - (answer) The water line supplying a swimming pool requires the
installation of a(n) _
are not normally fitted with shutoff valves or test cocks - (answer) Dual-check valve backflow
preventer assemblies are difficult for plumbers to remove, test, or replace because they _
car washes - (answer) Plumbing codes require the installation of reduced-pressure zone principle
backflow preventer assemblies in _
, PLUMBING LEVEL 3 EXAM 2023-2024 ACTUAL EXAM 60 QUESTIONS AND CORRECT DETAILED ANSWERS
are equipped with strainers - (answer) To prevent clogging by foreign matter in the water, many
backflow preventers _
Static Head Loss - (answer) The difference in elevation between the supply line and the system's
highest fixture is called _
backflow - (answer) A cross-connection becomes dangerous when there is a _
the odor of the smoke - (answer) If a leak is too small for escaping smoke to be visible, the leak may be
detected by _
vent stack - (answer) The central vent in a building is the _
hardness - (answer) Calcium and magnesium salts in water are the cause of _
green - (answer) Acid in the water can react with copper pipes to leave stains that are _
six - (answer) The number of types of simple machines is _
multiples of 12 - (answer) For calculating area, lengths and widths are expressed in _
scale on the construction drawings - (answer) To determine the proper measurements for a floor,
always refer to the _
62.31 pounds - (answer) One cubic foot of water has a weight of _
decrease its density but increase its volume - (answer) Increasing the temperature of water will _
