EPRI Practice Test 1 – Questions & Detailed Answers
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.
✔️Ans -Manipulated
A hollow metal cylinder which guides the movement of the plug and hold the
seat ring in place is found in a ✔️Ans -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:
✔️Ans -Cv
A differential pressure transmitter is connected to measure the level liquid in
a tank .The " high" side of the sensor will be connected: ✔️Ans -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. ✔️Ans -The will all give the
same reading.
A thermocouple should generally be installed so that the measuring junction
come in direct contact with: ✔️Ans -The bottom of the thermal
well.
A magnetic flow mater requires:
A) Power.
B) Proper grounding.
C) Bounding.
D) All the above. ✔️Ans -All the above.
As the speed of velocity of a liquid through a restriction increases , the fluid
pressure : ✔️Ans -Decreases
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.
✔️Ans -Manipulated
A hollow metal cylinder which guides the movement of the plug and hold the
seat ring in place is found in a ✔️Ans -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:
✔️Ans -Cv
A differential pressure transmitter is connected to measure the level liquid in
a tank .The " high" side of the sensor will be connected: ✔️Ans -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. ✔️Ans -The will all give the
same reading.
A thermocouple should generally be installed so that the measuring junction
come in direct contact with: ✔️Ans -The bottom of the thermal
well.
A magnetic flow mater requires:
A) Power.
B) Proper grounding.
C) Bounding.
D) All the above. ✔️Ans -All the above.
As the speed of velocity of a liquid through a restriction increases , the fluid
pressure : ✔️Ans -Decreases
