Instrument Tech Nccer Final Exam comprehensive questions and verified answers QUESTIONS WITH ACCURATE ANSWERS | MULTIPLE CHOICES |!

10/12/25, 2:57 PM Instrument Tech Nccer Final Exam comprehensive questions and verified answers QUESTIONS WITH ACCURATE ANSWERS | …




Instrument Tech Nccer Final Exam
comprehensive questions and verified answers
QUESTIONS WITH ACCURATE ANSWERS |
MULTIPLE CHOICES |2025\2026!

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Terms in this set (231)


1) When is the BEST time to D. At the time each test is completed (INST LVL4)
document each loop (12410-16/ Section 3.2.0)
check for commissioning ?
A. Prior to the start of
inspection
B. When all test and
inspection activities are
complete
C. When updating
information on a daily
basis
D. At the time each test is
completed

2) Teflon paste must not D. Oxygen service (INST LVL 1 )(12109-14/Section 2.1.1)
be used on :
A. Nitrogen service
B. Natural gas service
C. Water service
D. Oxygen service




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3) A 24VDC power supply C. Lost the neutral
is not working . With your
multimeter you verify no
DC voltage . On the
120VAC input you measure
120V between hot and
ground , and 72V between
hot and neutral . What is
the most likely cause of
this ?
A. Lost the ground
B. Lost the hot
C. Lost the neutral
D. Lost the fuse

4) Gain increase when B. Bend radius increases (INST LVL 2)(12302-15 section
tube : 2.1.1)
A. Back bends are made
B. Bend radius increases
C. Size decreases
D. Long radius elbows are
used

5) A temperature D. Thermocouple (INST LVL 2) (12110-15 section 1.2.2)
measuring device that
produces a voltage as the
temperature changes is a /
an :
A. RTD
B. Thermistor
C. Thermometer
D. Thermocouple




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6) A pressure piping code A. ANSI B 31.1
is found in :
A. ANSI B 31.1
B. NEC 690 .
C. OSHA1910 .
D. ISA S 5.1

7) When marking tubing C. Mark the tube with a felt tip pen
for cutting , the preferred
method is
A. Scribe a mark into the
tube with a sharp object .
B. Mark the tube with a
grease pencil
C. Mark the tube with a
felt tip pen
D. Mark the tube with a
crayon

8) An example of direct C. Sight glass
measurement indicator is a
:
A. Pressure gauge
B. Bulb thermometer
C. Sight glass
D. Flowmeter

9) On the image , how C. 3
many hand valves are
installed on Tank 1201C
A. 1
B. 2
C. 3
D. 4




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10) What is the first step in C. Verify that there is a problem
troubleshooting a
problem in a system ?
A. Turn off power to the
instrument
B. Stimulate an input
C. Verify that there is a
problem
D. Stimulate an output

11) Where can the A. Location drawing
appropriate elevation of
an instrument be found ?
A. Location drawing
B. P & ID
C. Flow diagram
D. Loop drawing

12) Chemical cleaning of C. Elements
tubing attached to
instruments may cause
damage to sensor
A. Electronics
B. Paint
C. Elements
D. Bolts

13) When making 90 - C. 1 to 3 degrees
degree tubing bend ,
allowance for springback
should be : A. 6 to 8
degrees
B. 4-5 degrees
C. 1 to 3 degrees
D. 0 degrees




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