4th TSSA Part A - Unit 9 | Exam Questions with Correct Answers and
Answers with Verified Solutions | Latest 2026 Update
Q: (4-086-3.16) Cascade control utilizes: Two controllers, two transmitters and one
valve.
Answer:
(4-086-3.11) A control valve that has one plug that moves upward to close the port is
called:
Reverse acting
A discrete input is not: temperature sensor
(4-086-3.12) A proportional controller: Provides a proportional output based on the
error
between process variable and set-point
(4-085-1.3) An inclined manometer is commonly used: When very small pressure
differentials are being used:
, Q: (4-086-3.15) Putting a controller on manual control means: The operator
controls the final
Answer:
control element.
(4-086-3.4) When controller output is proportional to the amount of deviation, the
controller is:
Proportional
An electrical actuator used to position dampers and control valves is called: A
modulating
motor
Pressure controllers can be divided into two classes: High and low pressure
(4-085-1.9) A "U" tube manometer may be filled with: Light oils
(4-084-1.6) When a process controller is located a distance from the sensing element,
the
sensing element sends its signal to a: Transmitter
(4-089-1.5) The main component of any computer is the: Central processing unit
(4-085-4.11) A helix strip bimetallic thermometer is wound spirally to: Amplify the
motion of
the pointer
In a basic electric control system an example of a controlled device is a: fuel valve
(4-084-1.1) Some of the components of an automatic control loop are a sensing
element, a
transmitter, a _____ and a control valve. Controller
Modular PLC's can be expanded by adding___________. cards
Answers with Verified Solutions | Latest 2026 Update
Q: (4-086-3.16) Cascade control utilizes: Two controllers, two transmitters and one
valve.
Answer:
(4-086-3.11) A control valve that has one plug that moves upward to close the port is
called:
Reverse acting
A discrete input is not: temperature sensor
(4-086-3.12) A proportional controller: Provides a proportional output based on the
error
between process variable and set-point
(4-085-1.3) An inclined manometer is commonly used: When very small pressure
differentials are being used:
, Q: (4-086-3.15) Putting a controller on manual control means: The operator
controls the final
Answer:
control element.
(4-086-3.4) When controller output is proportional to the amount of deviation, the
controller is:
Proportional
An electrical actuator used to position dampers and control valves is called: A
modulating
motor
Pressure controllers can be divided into two classes: High and low pressure
(4-085-1.9) A "U" tube manometer may be filled with: Light oils
(4-084-1.6) When a process controller is located a distance from the sensing element,
the
sensing element sends its signal to a: Transmitter
(4-089-1.5) The main component of any computer is the: Central processing unit
(4-085-4.11) A helix strip bimetallic thermometer is wound spirally to: Amplify the
motion of
the pointer
In a basic electric control system an example of a controlled device is a: fuel valve
(4-084-1.1) Some of the components of an automatic control loop are a sensing
element, a
transmitter, a _____ and a control valve. Controller
Modular PLC's can be expanded by adding___________. cards
