QUESTIONS AND EXPERT-VERIFIED CORRECT ANSWERS |
ALREADY GRADED A+ | MCQs | GUARANTEED SUCCESS |
INSTRUMENTATION NCCER LATEST EXAM 2026 [BRAND NEW]
Increasing the carbon content in steel results in an increase in:
a. Malleability
b. Ductility
c. Hardness
d. toughness
Hardness
The beveled edge of an orifice plate faces
a. Downstream
b. Upstream
c. Toward the control valve
d. Toward the gate valve
Upstream
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
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.
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
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
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
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
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
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
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
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
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
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
Ground-fault circuit interrupter (GFCI)
A bourdon tube is normally found inside a:
a. Pipe
b. Pressure gauge
c. Manometer
d. Venturi
Pressure gauge
A loop sheet contains all of the following information EXCEPT:
a. The instrument tag number
b. The location and connection section
c. The calibration and specification section
d. Elevation of instruments
Elevation of instruments
A temperature-measuring device that operates on the principle that electrical
resistance changes with temperature is a
a. Thermal bridge
b. Bourdon tube
c. Resistance thermal device (RTD)
d. Thermocouple
Resistance thermal device (RTD)
Capillary tubing with a bulb on the end is normally used on instruments that
provide
a. Temperature readings
b. Pressure readings
c. Density readings
d. Flow readings
Temperature readings