The ------------ variable is the part of the process which is adjusted to close the gap
between the set point and the value of the controlled variable. - answers Manipulated
A hollow metal cylinder which guides the movement of the plug and hold the seat ring in
place is found in a - answers Cage valve
The flow rate in gallons per minute of water provided by a differential pressure of 1.0 psi
through a fully open control valve is the definition of: - answers Cv
A differential pressure transmitter is connected to measure the level liquid in a tank .The
" high" side of the sensor will be connected: - answers To the lowest tap of the tank.
Which of the following vessel will cause the highest indicated pressure on a gauge
mounted on the bottom when filled with 120" of water?
A) 1/2 diamater pipe.
B) A tank 3' in diamater.
C) A tank 20" in diamater.
D) They will all give the same reading. - answers The will all give the same reading.
A thermocouple should generally be installed so that the measuring junction come in
direct contact with: - answers The bottom of the thermal well.
A magnetic flow mater requires:
A) Power.
B) Proper grounding.
C) Bounding.
D) All the above. - answers All the above.
As the speed of velocity of a liquid through a restriction increases , the fluid pressure : -
answers Decreases
The positive lead on a thermocouple would be identified by the color : - answers Vary
with the type.
In graphing the out put of a instrument with a span error the result would be a line that
was: - answers Not parallel to the expected output.