NCCER Instrumentation Exam Study
Guide EXAM, Complete Test || Questions
and Answers (Verified Answers) (Latest
Update 2026) UPDATE!!
A technology bypassing conventional I/O by using direct communications
between smart field
devices and associated control processors is:
a. SCADA
b. WAN
c. Peer-to-peer
d. Fieldbus
D. Fieldbus
Redundant controllers in a distributed control system reside:
a. In pairs in the same enclosure
b. In a master-slave relationship at assigned locations
c. As a hot standby at the central processor.
d. On a different communications segments.
c. As a hot standby at the central processor.
The ultimate period method for tuning a controller was first proposed by:
a. Naylor and Tunstall
b. Mitchem and Smith
c. Hobbs and Lewley
d. Ziegler and Nichols
,d. Ziegler and Nichols
One method of oxygen analysis focuses on the:
a. Color properties of oxygen
b. Dissolvability of oxygen in water
c. Liquefaction properties of oxygen
d. Paramagnetic properties of oxygen
a. Color properties of oxygen
A Piece of pipe has an AISI classification of A105, the major alloy is:
a. Carbon
b. Nickel
c. Nickel-Chrome
d. Chrome-Vanadium
a. Carbon
Atmosphere testing must be conducted before entry into a confined space to
check for:
a. Humidity level
b. Heat level
c. Oxygen content
d. MSDS content
c. Oxygen content
Which of the following contains information about chemicals found on a job site?
a. Chemical Exposure Sheet
b. Material Safety Data Sheet
,c. Manufactured Substance Data Sheet
d. Hazardous Exposure Sheet
b. Material Safety Data Sheet
Which of the following materials is selected when resistance to corrosion or high
temperatures
is required?
a. High-carbon steel
b. Low-carbon steel
c. Nickel Alloy
d. Nonferrous Alloy
d. Nonferrous Alloy
Which of the following is a type of gasket used in high-pressure systems?
a. Teflon
b. Fiberglass
c. Asbestos
d. Metal ring joint
d. Metal ring joint
Examples of inactive cutting oil include all of the following EXCEPT:
a. Straight mineral oils
b. Fatty and mineral oil blends
c. Sulfurized mineral oils
d. Fatty oils
c. Sulfurized mineral oils
, Which of the following thread sealant is MOST suitable for service temperatures
of 500 to 700
degrees Fahrenheit?
a. High-temperature epoxy
b. Teflon paste
c. High-temperature RTV silicone
d. Graphite paste
d. Graphite paste
A system installed to provide protection of equipment from line-to-ground fault
damage is
called:
a. Ground-fault circuit interrupter (GFCI)
b. An Uninterruptible Power Supply (UPS)
c. A ground-fault transformer
d. A distance relay
a. Ground-fault circuit interrupter (GFCI)
Increasing the carbon content in steel results in an increase in:
a. Malleability
b. Ductility
c. Hardness
d. toughness
c. Hardness
Guide EXAM, Complete Test || Questions
and Answers (Verified Answers) (Latest
Update 2026) UPDATE!!
A technology bypassing conventional I/O by using direct communications
between smart field
devices and associated control processors is:
a. SCADA
b. WAN
c. Peer-to-peer
d. Fieldbus
D. Fieldbus
Redundant controllers in a distributed control system reside:
a. In pairs in the same enclosure
b. In a master-slave relationship at assigned locations
c. As a hot standby at the central processor.
d. On a different communications segments.
c. As a hot standby at the central processor.
The ultimate period method for tuning a controller was first proposed by:
a. Naylor and Tunstall
b. Mitchem and Smith
c. Hobbs and Lewley
d. Ziegler and Nichols
,d. Ziegler and Nichols
One method of oxygen analysis focuses on the:
a. Color properties of oxygen
b. Dissolvability of oxygen in water
c. Liquefaction properties of oxygen
d. Paramagnetic properties of oxygen
a. Color properties of oxygen
A Piece of pipe has an AISI classification of A105, the major alloy is:
a. Carbon
b. Nickel
c. Nickel-Chrome
d. Chrome-Vanadium
a. Carbon
Atmosphere testing must be conducted before entry into a confined space to
check for:
a. Humidity level
b. Heat level
c. Oxygen content
d. MSDS content
c. Oxygen content
Which of the following contains information about chemicals found on a job site?
a. Chemical Exposure Sheet
b. Material Safety Data Sheet
,c. Manufactured Substance Data Sheet
d. Hazardous Exposure Sheet
b. Material Safety Data Sheet
Which of the following materials is selected when resistance to corrosion or high
temperatures
is required?
a. High-carbon steel
b. Low-carbon steel
c. Nickel Alloy
d. Nonferrous Alloy
d. Nonferrous Alloy
Which of the following is a type of gasket used in high-pressure systems?
a. Teflon
b. Fiberglass
c. Asbestos
d. Metal ring joint
d. Metal ring joint
Examples of inactive cutting oil include all of the following EXCEPT:
a. Straight mineral oils
b. Fatty and mineral oil blends
c. Sulfurized mineral oils
d. Fatty oils
c. Sulfurized mineral oils
, Which of the following thread sealant is MOST suitable for service temperatures
of 500 to 700
degrees Fahrenheit?
a. High-temperature epoxy
b. Teflon paste
c. High-temperature RTV silicone
d. Graphite paste
d. Graphite paste
A system installed to provide protection of equipment from line-to-ground fault
damage is
called:
a. Ground-fault circuit interrupter (GFCI)
b. An Uninterruptible Power Supply (UPS)
c. A ground-fault transformer
d. A distance relay
a. Ground-fault circuit interrupter (GFCI)
Increasing the carbon content in steel results in an increase in:
a. Malleability
b. Ductility
c. Hardness
d. toughness
c. Hardness
