INSTRUMENT TECH NCCER EXAM WITH
CORRECT 230 ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
A test performed on a piping system to check for leaks is a
A. hydraulic leak test
B. dynamic test
C. friction head test
D. hydrostatic test - ANSWERS-D. hydrostatic test
For temperatures exceeding 1500 degrees Fahrenheit a
common gasket material
A. Rubber
B. Silicone
C. Vinyl
D. Ceramic - ANSWERS-D. Ceramic
An air to open valve is uses a
,A. Fail - in - position actuator
B. Spring - to - open actuator
C. Dual spring actuator
D. Spring - to - close actuator - ANSWERS-B. Spring - to -
open actuator
All of the following are typically applications of photocells
except
A. automatic lighting control
B. position sensing
C. battery charging
D. size detection - ANSWERS-C. battery charging
1) When is the BEST time to document each loop check for
commissioning ? A. Prior to the s
art 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 - ANSWERS-D. At the
time each test is completed (INST LVL4)(12410-16/ Section
3.2.0)
,2) Teflon paste must not be used on :
A. Nitrogen service
B. Natural gas service
C. Water service
D. Oxygen service - ANSWERS-D. Oxygen service (INST LVL 1
)(12109-14/Section 2.1.1)
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 - ANSWERS-C. Lost the neutral
4) Gain increase when tube :
A. Back bends are made
B. Bend radius increases
C. Size decreases
, D. Long radius elbows are used - ANSWERS-B. Bend radius
increases (INST LVL 2)(12302-15 section 2.1.1)
5) A temperature measuring device that produces a voltage
as the temperature changes is a / an :
A. RTD
B. Thermistor
C. Thermometer
D. Thermocouple - ANSWERS-D. Thermocouple (INST LVL 2)
(12110-15 section 1.2.2)
6) A pressure piping code is found in :
A. ANSI B 31.1
B. NEC 690 .
C. OSHA1910 .
D. ISA S 5.1 - ANSWERS-A. ANSI B 31.1
7) When marking tubing 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
CORRECT 230 ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
A test performed on a piping system to check for leaks is a
A. hydraulic leak test
B. dynamic test
C. friction head test
D. hydrostatic test - ANSWERS-D. hydrostatic test
For temperatures exceeding 1500 degrees Fahrenheit a
common gasket material
A. Rubber
B. Silicone
C. Vinyl
D. Ceramic - ANSWERS-D. Ceramic
An air to open valve is uses a
,A. Fail - in - position actuator
B. Spring - to - open actuator
C. Dual spring actuator
D. Spring - to - close actuator - ANSWERS-B. Spring - to -
open actuator
All of the following are typically applications of photocells
except
A. automatic lighting control
B. position sensing
C. battery charging
D. size detection - ANSWERS-C. battery charging
1) When is the BEST time to document each loop check for
commissioning ? A. Prior to the s
art 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 - ANSWERS-D. At the
time each test is completed (INST LVL4)(12410-16/ Section
3.2.0)
,2) Teflon paste must not be used on :
A. Nitrogen service
B. Natural gas service
C. Water service
D. Oxygen service - ANSWERS-D. Oxygen service (INST LVL 1
)(12109-14/Section 2.1.1)
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 - ANSWERS-C. Lost the neutral
4) Gain increase when tube :
A. Back bends are made
B. Bend radius increases
C. Size decreases
, D. Long radius elbows are used - ANSWERS-B. Bend radius
increases (INST LVL 2)(12302-15 section 2.1.1)
5) A temperature measuring device that produces a voltage
as the temperature changes is a / an :
A. RTD
B. Thermistor
C. Thermometer
D. Thermocouple - ANSWERS-D. Thermocouple (INST LVL 2)
(12110-15 section 1.2.2)
6) A pressure piping code is found in :
A. ANSI B 31.1
B. NEC 690 .
C. OSHA1910 .
D. ISA S 5.1 - ANSWERS-A. ANSI B 31.1
7) When marking tubing 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
