PMT TEST SECTION 3 UNIT 2 QUESTIONS AND
ANSWERS
What two angles can be laid out with the combination square? - Answers - 45 and 90
degree angles
What would the divider setting be to scribe an arc with a 3/8" radius? - Answers - 3/8"
What safety precautions should be observed when using layout tools that are used for
scribing? - Answers - Do not carry in your pocket. Should be handled carefully.
Briefly describe a scriber and its use. - Answers - A scriber is a common tool with a
sharp edge that is used to mark straight layout lines.
What semi-precision layout tool is used to scribe a line parallel to an edge at a set
distance? - Answers - Hermaphrodite Caliper
What is the purpose of layout dye? - Answers - To make layout lines stand out more
with contrast.
What two tasks can a divider be used to perform? - Answers - Drawing circles, arcs,
and radii / divide lines into sections
What tool can be used as a reference plane when performing layout? - Answers -
Surface plate
Describe two safety precautions you should observe when using layout dye. - Answers -
review MSDS / keep lid closed to avoid spills
What would the divider setting be to scribe a 3/4" diameter circle? - Answers - 3/8"
Briefly describe the use of a surface gage. - Answers - A surface gage can be placed on
a surface plate to make lines parallel to the desired height.
Define the term layout and briefly explain the purpose for layout. - Answers - Layout is
the term used to describe the process of locating and marking a piece as a visual
reference.
ANSWERS
What two angles can be laid out with the combination square? - Answers - 45 and 90
degree angles
What would the divider setting be to scribe an arc with a 3/8" radius? - Answers - 3/8"
What safety precautions should be observed when using layout tools that are used for
scribing? - Answers - Do not carry in your pocket. Should be handled carefully.
Briefly describe a scriber and its use. - Answers - A scriber is a common tool with a
sharp edge that is used to mark straight layout lines.
What semi-precision layout tool is used to scribe a line parallel to an edge at a set
distance? - Answers - Hermaphrodite Caliper
What is the purpose of layout dye? - Answers - To make layout lines stand out more
with contrast.
What two tasks can a divider be used to perform? - Answers - Drawing circles, arcs,
and radii / divide lines into sections
What tool can be used as a reference plane when performing layout? - Answers -
Surface plate
Describe two safety precautions you should observe when using layout dye. - Answers -
review MSDS / keep lid closed to avoid spills
What would the divider setting be to scribe a 3/4" diameter circle? - Answers - 3/8"
Briefly describe the use of a surface gage. - Answers - A surface gage can be placed on
a surface plate to make lines parallel to the desired height.
Define the term layout and briefly explain the purpose for layout. - Answers - Layout is
the term used to describe the process of locating and marking a piece as a visual
reference.
