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Instrumentation NCCER Questions and Correct Answers/ Latest Update / Already Graded

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the concept of measuring, comparing, computing, and correcting is implemented by the -------- Ans: Control System the operation or operations used in the treatment of materials compromise the ------ Ans: process the process parameters are subject to if the energy balance is ------ Ans: upset the process parameters that is selected for control is the ---- variable Ans: control 2 | Page the control variable is ultimately controlled by the ---- loop Ans: controller which parameter supplies energy or material to the process to regulate the deviation of a process output? Ans: manipulated variable whcih of the following measuring detectors applies a coverging cone shaped inlet section? Ans: venturi tube a detector or sensor is considered good if it is designed to minimize ------ Ans: disturbance if a tanks level is measured by

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Institution
Instrumentation
Course
Instrumentation

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Uploaded on
March 22, 2025
Number of pages
49
Written in
2024/2025
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Instrumentation NCCER Questions and
Correct Answers/ Latest Update /
Already Graded
the concept of measuring, comparing, computing, and correcting

is implemented by the --------


Ans: Control System




the operation or operations used in the treatment of materials

compromise the ------


Ans: process




the process parameters are subject to if the energy balance is ------


Ans: upset




the process parameters that is selected for control is the ---- variable


Ans: control

,2 | Page

the control variable is ultimately controlled by the ---- loop


Ans: controller




which parameter supplies energy or material to the process to

regulate the deviation of a process output?


Ans: manipulated variable




whcih of the following measuring detectors applies a coverging

cone shaped inlet section?


Ans: venturi tube




a detector or sensor is considered good if it is designed to minimize --

----


Ans: disturbance




if a tanks level is measured by a dipstick, this is considered-------

,3 | Page

Ans: direct




a thermocouple uses ------ measurement


Ans: inferred




if the output from one device is not compatible with the input it

supplies to another device, a ----- must be applied


Ans: transducer




of the following, -------transducers may convert a 0-5 volt to a 4-20

mA signal


Ans: e/i




the function a feedback transmission circuit in a contoller is to -----


Ans: convert the sensor signal into a useable controller signal

, 4 | Page

a variable orifice that is used to regulate the flow of process fluid

according to the requirement of the process is known as a -------


Ans: control valve




the componet attached to a control valve that compares the stem

motion of the valve to the signal of the controller is the -------


Ans: actuator




the selection and interconnection of devices in an instrumenatiion

channel that ultimately determine the stability of the process are

reffered to as the -----


Ans: control loop




another name for an open loop is a ----- loop


Ans: feed forward




another name for a feedback loop is a---- loop

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