NOCTI Study Set
What fitting is most common on shut-off valves under a sink? - correct answer-Compression
fitting
Another name for soldering copper tubing is what? - correct answer-Sweating copper tubing
When wiring a 3-way switch, what color wires typically go to the travelers? - correct
answer-red and white
How are toilets rated for efficiency? - correct answer-Gallons per Flush
What part of the concrete finishing process follows screeding? - correct answer-Bull floating
What factor is used to determine the minimum R-value needed to insulate a house? - correct
answer-Geographical location
What is concrete spalling? - correct answer-The surface of the concrete coming off due to
improper finishing techniques.
What is the vertical part of the stair called? - correct answer-Riser
How high is a block wall, 4 CMU's high? - correct answer-32"
How long is a standard pre-cut stud? - correct answer-92 5/8" long
What size is a standard 2x4? - correct answer-1 1/2" x 3 1/2"
What is the name of the thin layer of mortar applied over the exterior of a block wall? -
correct answer-Parging
What is a king stud? - correct answer-Full length stud next to a jack stud
What is the purpose of striking joints in masonry? - correct answer-To make them waterproof
Green wires go to what connectors? - correct answer-ground
What saw is the best saw for cutting trim? - correct answer-Miter Saw
What does it mean to dress lumber? - correct answer-Surface it on all four sides with a
planer or jointer
What does SDS forms stand for? - correct answer-Safety Data Sheets
What is the most accurate way to determine if a large structure is square? - correct
answer-Corner to corner measurements
, What is a detail drawing? - correct answer-A cut away drawing that shows details
What is the proper ratio (angle) to set a ladder? - correct answer-4:1
What is a lintel? - correct answer-A masonry header
What is step flashing? - correct answer-Metal used to flash the roof where it meets the wall
What exterior feature can affect ventilation of the foundation over time? - correct
answer-Shrubbery and bushes
How far above the edge of a roof line should a ladder extend? - correct answer-Three feet
How many courses of block are needed for a wall 8' high? - correct answer-12 courses
What plumbing fixture does not require a trap? - correct answer-Toilet (they are built in)
What type of fasteners are used with pressure treated wood? - correct answer-Ceramic
coated or galvenized
What must be installed within 25' of outdoor HVAC equipment? - correct answer-A GFCI
receptacle
The groove created by a saw blade is called a what? - correct answer-Kerf
How many blocks are needed to lay a wall 22' long? - correct answer-16 1/2 blocks
B.T.U. means what? - correct answer-British Thermal Unit
What does kiln drying lumber do? - correct answer-Shrinks lumber, dries it, reduces the
weight
What does a BTU measure? - correct answer-A unit of heat
Where are arc fault receptacles required? - correct answer-Bedrooms (To eliminate arcs that
could catch bedding on fire)
Current is measured in what unit? - correct answer-AMPS
What is the purpose of the paper face on insulation? - correct answer-Vapor barrier
What does OSHA stand for? - correct answer-Occupational Safety and Health
Administration
What is the notch on a rafter where it fits over the exterior wall called? - correct
answer-Birdsmouth
What fitting is most common on shut-off valves under a sink? - correct answer-Compression
fitting
Another name for soldering copper tubing is what? - correct answer-Sweating copper tubing
When wiring a 3-way switch, what color wires typically go to the travelers? - correct
answer-red and white
How are toilets rated for efficiency? - correct answer-Gallons per Flush
What part of the concrete finishing process follows screeding? - correct answer-Bull floating
What factor is used to determine the minimum R-value needed to insulate a house? - correct
answer-Geographical location
What is concrete spalling? - correct answer-The surface of the concrete coming off due to
improper finishing techniques.
What is the vertical part of the stair called? - correct answer-Riser
How high is a block wall, 4 CMU's high? - correct answer-32"
How long is a standard pre-cut stud? - correct answer-92 5/8" long
What size is a standard 2x4? - correct answer-1 1/2" x 3 1/2"
What is the name of the thin layer of mortar applied over the exterior of a block wall? -
correct answer-Parging
What is a king stud? - correct answer-Full length stud next to a jack stud
What is the purpose of striking joints in masonry? - correct answer-To make them waterproof
Green wires go to what connectors? - correct answer-ground
What saw is the best saw for cutting trim? - correct answer-Miter Saw
What does it mean to dress lumber? - correct answer-Surface it on all four sides with a
planer or jointer
What does SDS forms stand for? - correct answer-Safety Data Sheets
What is the most accurate way to determine if a large structure is square? - correct
answer-Corner to corner measurements
, What is a detail drawing? - correct answer-A cut away drawing that shows details
What is the proper ratio (angle) to set a ladder? - correct answer-4:1
What is a lintel? - correct answer-A masonry header
What is step flashing? - correct answer-Metal used to flash the roof where it meets the wall
What exterior feature can affect ventilation of the foundation over time? - correct
answer-Shrubbery and bushes
How far above the edge of a roof line should a ladder extend? - correct answer-Three feet
How many courses of block are needed for a wall 8' high? - correct answer-12 courses
What plumbing fixture does not require a trap? - correct answer-Toilet (they are built in)
What type of fasteners are used with pressure treated wood? - correct answer-Ceramic
coated or galvenized
What must be installed within 25' of outdoor HVAC equipment? - correct answer-A GFCI
receptacle
The groove created by a saw blade is called a what? - correct answer-Kerf
How many blocks are needed to lay a wall 22' long? - correct answer-16 1/2 blocks
B.T.U. means what? - correct answer-British Thermal Unit
What does kiln drying lumber do? - correct answer-Shrinks lumber, dries it, reduces the
weight
What does a BTU measure? - correct answer-A unit of heat
Where are arc fault receptacles required? - correct answer-Bedrooms (To eliminate arcs that
could catch bedding on fire)
Current is measured in what unit? - correct answer-AMPS
What is the purpose of the paper face on insulation? - correct answer-Vapor barrier
What does OSHA stand for? - correct answer-Occupational Safety and Health
Administration
What is the notch on a rafter where it fits over the exterior wall called? - correct
answer-Birdsmouth
