INSTRUMENT TECH NCCER Exam
2026 Questions and Answers
The drawing classification number for "04-I201" is - Correct answer-2
Hazardous location codes applicable to a particular instrument can be found on the
- Correct answer-instrument data sheet
The text in or near a circle on a drawing representing a motor will often be the
motor's - Correct answer-horsepower
The symbol that travels up, cascades up & down, then drops down again represents
a - Correct answer-potentiometer
The symbol with 2 coils with opposing horizontal top & bottom ends & 3 vertical
lines down the middle of the coils is a - Correct answer-iron-core transformer
The type of diagram that shows all of the connections of the individual conductors
in an electrical system or circuit is a - Correct answer-three-line diagram
In electrical block diagrams, a single line may represent one wire or - Correct
answer-several wires
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,Internal & external are the 2 classifications of - Correct answer-wiring diagrams
Which type of wiring diagram generally uses a table to show the starting &
termination points of each wire? - Correct answer-Lineless
In addition to showing the physical layout of raceways, raceway drawings also
show the - Correct answer-raceway elevation
On cable tray drawings, a notation of BOT would indicate - Correct answer-bottom
of tray
A type of instrumentation drawing that shows the operational layout of a system
and the relationship between system components but NOT the physical location of
the components is a - Correct answer-P&ID
What is indicated when 2 different devices on a P&ID share the same numeric part
of the ID? - Correct answer-The devices are grouped together at the same location
In the loop identification number 21-TRC, the TRC represents the - Correct
answer-measured variable
The calibration data & specification number for an instrument can be found on a -
Correct answer-loop sheet
In a typical ladder diagram, the incoming power source lines, such as L1 & L2, are
drawn to appear as - Correct answer-the uprights of a ladder
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, The type of diagram that is often used to show the sequence of operation for a PLC
is a - Correct answer-ladder diagram
The drawing that shows where an instrument is to be installed in relation to the
physical plant layout is called a - Correct answer-location drawing
Process flow drawings (PFDs) are often used in conjunction with - Correct answer-
P&IDs
If an instrumentation technician who is troubleshooting a system wants to confirm
that the problem is in the distribution of the conductors, the best diagram for the
technician to refer to is the - Correct answer-raceway drawing
An instrument index lists every instrument used on a project by its - Correct
answer-tag number
Which of these documents would be used to identify the drawings & documents
related to a specific instrument with a known tag number? - Correct answer-
instrument index
The instrument installation requirement, "The gauge glasses of field-mounted,
liquid-level controllers are to be clearly visible", would most likely be included in
the - Correct answer-general instrument specifications
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
2026 Questions and Answers
The drawing classification number for "04-I201" is - Correct answer-2
Hazardous location codes applicable to a particular instrument can be found on the
- Correct answer-instrument data sheet
The text in or near a circle on a drawing representing a motor will often be the
motor's - Correct answer-horsepower
The symbol that travels up, cascades up & down, then drops down again represents
a - Correct answer-potentiometer
The symbol with 2 coils with opposing horizontal top & bottom ends & 3 vertical
lines down the middle of the coils is a - Correct answer-iron-core transformer
The type of diagram that shows all of the connections of the individual conductors
in an electrical system or circuit is a - Correct answer-three-line diagram
In electrical block diagrams, a single line may represent one wire or - Correct
answer-several wires
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,Internal & external are the 2 classifications of - Correct answer-wiring diagrams
Which type of wiring diagram generally uses a table to show the starting &
termination points of each wire? - Correct answer-Lineless
In addition to showing the physical layout of raceways, raceway drawings also
show the - Correct answer-raceway elevation
On cable tray drawings, a notation of BOT would indicate - Correct answer-bottom
of tray
A type of instrumentation drawing that shows the operational layout of a system
and the relationship between system components but NOT the physical location of
the components is a - Correct answer-P&ID
What is indicated when 2 different devices on a P&ID share the same numeric part
of the ID? - Correct answer-The devices are grouped together at the same location
In the loop identification number 21-TRC, the TRC represents the - Correct
answer-measured variable
The calibration data & specification number for an instrument can be found on a -
Correct answer-loop sheet
In a typical ladder diagram, the incoming power source lines, such as L1 & L2, are
drawn to appear as - Correct answer-the uprights of a ladder
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, The type of diagram that is often used to show the sequence of operation for a PLC
is a - Correct answer-ladder diagram
The drawing that shows where an instrument is to be installed in relation to the
physical plant layout is called a - Correct answer-location drawing
Process flow drawings (PFDs) are often used in conjunction with - Correct answer-
P&IDs
If an instrumentation technician who is troubleshooting a system wants to confirm
that the problem is in the distribution of the conductors, the best diagram for the
technician to refer to is the - Correct answer-raceway drawing
An instrument index lists every instrument used on a project by its - Correct
answer-tag number
Which of these documents would be used to identify the drawings & documents
related to a specific instrument with a known tag number? - Correct answer-
instrument index
The instrument installation requirement, "The gauge glasses of field-mounted,
liquid-level controllers are to be clearly visible", would most likely be included in
the - Correct answer-general instrument specifications
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
