NCIDQ IDFX - (3/3) EXAM 2025
QUESTIONS AND ANSWERS
In regard to construction drawings, what does an elevation show? - ANS - vertical dimensions
- configurations/finishes of wall surfaces
What is a titleblock? - ANS This is the area of the drawing sheet that contains identifying
information about the project, as well as information specific to that particular sheet.
In regard to construction drawings, what is layering? - ANS This is the method of placing
different information on separate levels in a CAD system when creating a construction drawing.
In regard to electrical drawings, what is a home run? - ANS This is a graphic element on an
electrical drawing that uses arrowheads to indicate that the line joining lights or power outlets
is connected to a particular electrical panel box.
When producing construction drawings for a house remodeling, what type of plan would
probably not be necessary? - ANS A demolition plan
For a large commercial remodeling project, where is the demolition plan typically placed in the
drawing set? - ANS Before the construction plan.
In addition to location, a typical construction floor plan shows what two pieces of information?
- ANS - Thickness
- Type
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, What is a match line? - ANS Used to show where two portions of a large floor plan drawn on
two sheets would be joined if combined on one large sheet.
What is an open dimension and why is it used? - ANS - Undimensioned distance in a string on
dimensions
- Used to accommodate any slight variation caused by the distance being established by other
dimensions or existing construction.
What are two ways to show partition types on a construction floor plan? - ANS 1. Flag notes
2. Patterns
Why are enlarged floor plans used? - ANS Used to show:
- construction elements
- dimensions
- other annotations that could not be shown on a small-scale plan
Why is the term reflected ceiling plan used? - ANS To indicate that this plan has the same
orientation as the construction plan.
What is shown on the reflected ceiling plan that is also shown on the fire protection plan? -
ANS Sprinklers
At what scale should the reflected ceiling plan be drawn? - ANS At the same scale as the
construction floor plan.
What should be included on the reflected ceiling plan to refer to more detailed luminaire
information? - ANS Code numbers that refer to a luminaire schedule.
2 Copyright ©2025 SIRJOEL ALL RIGHTS RESERVED
QUESTIONS AND ANSWERS
In regard to construction drawings, what does an elevation show? - ANS - vertical dimensions
- configurations/finishes of wall surfaces
What is a titleblock? - ANS This is the area of the drawing sheet that contains identifying
information about the project, as well as information specific to that particular sheet.
In regard to construction drawings, what is layering? - ANS This is the method of placing
different information on separate levels in a CAD system when creating a construction drawing.
In regard to electrical drawings, what is a home run? - ANS This is a graphic element on an
electrical drawing that uses arrowheads to indicate that the line joining lights or power outlets
is connected to a particular electrical panel box.
When producing construction drawings for a house remodeling, what type of plan would
probably not be necessary? - ANS A demolition plan
For a large commercial remodeling project, where is the demolition plan typically placed in the
drawing set? - ANS Before the construction plan.
In addition to location, a typical construction floor plan shows what two pieces of information?
- ANS - Thickness
- Type
1 Copyright ©2025 SIRJOEL ALL RIGHTS RESERVED
, What is a match line? - ANS Used to show where two portions of a large floor plan drawn on
two sheets would be joined if combined on one large sheet.
What is an open dimension and why is it used? - ANS - Undimensioned distance in a string on
dimensions
- Used to accommodate any slight variation caused by the distance being established by other
dimensions or existing construction.
What are two ways to show partition types on a construction floor plan? - ANS 1. Flag notes
2. Patterns
Why are enlarged floor plans used? - ANS Used to show:
- construction elements
- dimensions
- other annotations that could not be shown on a small-scale plan
Why is the term reflected ceiling plan used? - ANS To indicate that this plan has the same
orientation as the construction plan.
What is shown on the reflected ceiling plan that is also shown on the fire protection plan? -
ANS Sprinklers
At what scale should the reflected ceiling plan be drawn? - ANS At the same scale as the
construction floor plan.
What should be included on the reflected ceiling plan to refer to more detailed luminaire
information? - ANS Code numbers that refer to a luminaire schedule.
2 Copyright ©2025 SIRJOEL ALL RIGHTS RESERVED
