Instrumentation NCCER Exam Test Questions and Answers Rated A
the concept of measuring, comparing, computing, and
Control System
correcting is implemented by the --------
the operation or operations used in the treatment of ma-
process
terials compromise the ------
the process parameters are subject to if the energy bal-
upset
ance is ------
the process parameters that is selected for control is the
control
---- variable
the control variable is ultimately controlled by the ---- loop controller
which parameter supplies energy or material to the
manipulated variable
process to regulate the deviation of a process output?
whcih of the following measuring detectors applies a cov-
venturi tube
erging cone shaped inlet section?
a detector or sensor is considered good if it is designed
disturbance
to minimize ------
if a tanks level is measured by a dipstick, this is consid-
direct
ered-------
a thermocouple uses ------ measurement inferred
if the output from one device is not compatible with the
transducer
input it supplies to another device, a ---- must be applied
of the following,------ transducers may convert a 0-5 volt
e/i
to a 4-20 mA signal
the function a feedback transmission circuit in a contoller
convert the sensor signal into a useable controller signal
is to -----
a variable orifice that is used to regulate the flow of
process fluid according to the requirement of the process control valve
is known as a -------
, Instrumentation NCCER Exam Test Questions and Answers Rated A
the componet attached to a control valve that compares
the stem motion of the valve to the signal of the controller actuator
is the -------
the selection and interconnection of devices in an instru-
menatiion channel that ultimately determine the stability control loop
of the process are rettered to as the -----
another name for an open loop is a ----- loop feed forward
another name for a feedback loop is a---- loop closed
the primary performance for a any closed loop system is
stability
another name for a two postion control mode is ------
on-ott
control
in what type of control mode is the final control ele-
ment throttled to various positions that are dependent on proportional
process systems conditions?
in what type of control mode is the output rate of change
integral
dependent on the magnitude of the input?
maintain a balanced energy or material input to output
the basic function of a process control system is to -------
ratio relationship
you would most liekly find an RTD ina ---- process control
Temperature
loop
to convert a ditterential pressure signal to a linear flow
the function of an FY is -----
signal
an advantage of using an electrostatic precipitator is its
low electrical cost
one micron is equivalent to approximately ---- inches .0000393
reverse the flow through the element
, Instrumentation NCCER Exam Test Questions and Answers Rated A
a recommended way to remove foreign particles from an
edge filtration filter element is to------
adevice designed to maintain/regulate a constant pres-
regulator
sure or flow in the output of a system is a
the most frequent application of a electronic to pneumatic
operate pneumatic valves or regulators
converter is to convert the signals necessary to ------
another name for direct operated pneumatic regulators is
Self-operated
- -- regulators
regardless of the type of loading used in regulators, the
loading force
pressure entering the regulator acts agaisnt the -----
the control in a direct operated regulator is ---- poor sensitivity
a major disadvantage of direct operarted regulators is---- poor sensitivity
the primary element in an absorption drying method that
a deliquescent drying agent
uses a process to liquefy the solids is-----
the condition of the output air in a typical refrigerant- type
between 32.5F to 33F
drying system is -----
standard drying a reactivation time cycle for a heat reac-
8 hours
tivated automatic dryer system is -------
in most combination filter/dryer systems the system works
dried in a refrigeration type air dryer
best if the compressed air provided is first-----
the recommended port diameter when selecting pressure
the smallest diameter that will handle the flow
regulators is------
because the majority of pneumatic instruments and
process cannot tolerate wet, hot compressed air,com-
after coolers
pressors are normally supplied with moisture separators
and-----
three functions of a cotrol valve are to ------flow start, stop, control
the concept of measuring, comparing, computing, and
Control System
correcting is implemented by the --------
the operation or operations used in the treatment of ma-
process
terials compromise the ------
the process parameters are subject to if the energy bal-
upset
ance is ------
the process parameters that is selected for control is the
control
---- variable
the control variable is ultimately controlled by the ---- loop controller
which parameter supplies energy or material to the
manipulated variable
process to regulate the deviation of a process output?
whcih of the following measuring detectors applies a cov-
venturi tube
erging cone shaped inlet section?
a detector or sensor is considered good if it is designed
disturbance
to minimize ------
if a tanks level is measured by a dipstick, this is consid-
direct
ered-------
a thermocouple uses ------ measurement inferred
if the output from one device is not compatible with the
transducer
input it supplies to another device, a ---- must be applied
of the following,------ transducers may convert a 0-5 volt
e/i
to a 4-20 mA signal
the function a feedback transmission circuit in a contoller
convert the sensor signal into a useable controller signal
is to -----
a variable orifice that is used to regulate the flow of
process fluid according to the requirement of the process control valve
is known as a -------
, Instrumentation NCCER Exam Test Questions and Answers Rated A
the componet attached to a control valve that compares
the stem motion of the valve to the signal of the controller actuator
is the -------
the selection and interconnection of devices in an instru-
menatiion channel that ultimately determine the stability control loop
of the process are rettered to as the -----
another name for an open loop is a ----- loop feed forward
another name for a feedback loop is a---- loop closed
the primary performance for a any closed loop system is
stability
another name for a two postion control mode is ------
on-ott
control
in what type of control mode is the final control ele-
ment throttled to various positions that are dependent on proportional
process systems conditions?
in what type of control mode is the output rate of change
integral
dependent on the magnitude of the input?
maintain a balanced energy or material input to output
the basic function of a process control system is to -------
ratio relationship
you would most liekly find an RTD ina ---- process control
Temperature
loop
to convert a ditterential pressure signal to a linear flow
the function of an FY is -----
signal
an advantage of using an electrostatic precipitator is its
low electrical cost
one micron is equivalent to approximately ---- inches .0000393
reverse the flow through the element
, Instrumentation NCCER Exam Test Questions and Answers Rated A
a recommended way to remove foreign particles from an
edge filtration filter element is to------
adevice designed to maintain/regulate a constant pres-
regulator
sure or flow in the output of a system is a
the most frequent application of a electronic to pneumatic
operate pneumatic valves or regulators
converter is to convert the signals necessary to ------
another name for direct operated pneumatic regulators is
Self-operated
- -- regulators
regardless of the type of loading used in regulators, the
loading force
pressure entering the regulator acts agaisnt the -----
the control in a direct operated regulator is ---- poor sensitivity
a major disadvantage of direct operarted regulators is---- poor sensitivity
the primary element in an absorption drying method that
a deliquescent drying agent
uses a process to liquefy the solids is-----
the condition of the output air in a typical refrigerant- type
between 32.5F to 33F
drying system is -----
standard drying a reactivation time cycle for a heat reac-
8 hours
tivated automatic dryer system is -------
in most combination filter/dryer systems the system works
dried in a refrigeration type air dryer
best if the compressed air provided is first-----
the recommended port diameter when selecting pressure
the smallest diameter that will handle the flow
regulators is------
because the majority of pneumatic instruments and
process cannot tolerate wet, hot compressed air,com-
after coolers
pressors are normally supplied with moisture separators
and-----
three functions of a cotrol valve are to ------flow start, stop, control
