INSTRUMENT TECH NCCER EXAM Questions & Answers |
Latest Already Graded A+ UPDATE 2025|2026!! Instrument
tech nccer questions!
1. 1) When is the BEST time to document each loop 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: D. At the time each test is completed
(INST LVL4)(12410-16/ Section 3.2.0)
2. 2) Teflon paste must not be used on :
A. Nitrogen service
B. Natural gas service
C. Water service
D. Oxygen service: D. Oxygen service (INST LVL 1 )(12109-14/Section 2.1.1)
3. 3) A 24VDC power supply 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: C. Lost the neutral
4. 4) Gain increase when tube :
A. Back bends are made
B. Bend radius increases
C. Size decreases
D. Long radius elbows are used: B. Bend radius increases (INST LVL 2)(12302-
15 section 2.1.1) 5. 5) A temperature measuring device that produces a voltage
as the temper ature changes is a / an :
A. RTD
B. Thermistor
C. Thermometer
D. Thermocouple: D. Thermocouple (INST LVL 2) (12110-15 section 1.2.2)
Latest Already Graded A+ UPDATE 2025|2026!! Instrument
tech nccer questions!
1. 1) When is the BEST time to document each loop 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: D. At the time each test is completed
(INST LVL4)(12410-16/ Section 3.2.0)
2. 2) Teflon paste must not be used on :
A. Nitrogen service
B. Natural gas service
C. Water service
D. Oxygen service: D. Oxygen service (INST LVL 1 )(12109-14/Section 2.1.1)
3. 3) A 24VDC power supply 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: C. Lost the neutral
4. 4) Gain increase when tube :
A. Back bends are made
B. Bend radius increases
C. Size decreases
D. Long radius elbows are used: B. Bend radius increases (INST LVL 2)(12302-
15 section 2.1.1) 5. 5) A temperature measuring device that produces a voltage
as the temper ature changes is a / an :
A. RTD
B. Thermistor
C. Thermometer
D. Thermocouple: D. Thermocouple (INST LVL 2) (12110-15 section 1.2.2)
