EPRI Part A – Questions With Solutions
The temperature of a transmitter is 20-300 degrees F. The output signal is 3-
15 psig. What would be the expected output signal for an input temperature of
175 degrees F? ✔️Ans -195/320=.609(16)+3=9.64 psig
Most flow measurements occur under __________________ conditions.
✔️Ans -turbulent
Six cubic feet of a liquid is 400 pounds. the Specific Gravity of the liquid is...
✔️Ans -400/(62.430*6=374.58) = 1.068
Full compensation of a remote reading thermometer would typically be
provided by... ✔️Ans -secondary capillary
An increase in viscosity of a liquid will result in a ________ Reynolds number
✔️Ans -lower
A tank contains 9 cubic feet of a liquid. The liquid weighs 470 pounds. The
specific gravity of the liquid is... ✔️Ans
-470/(62.43*9=561.87)=.836inwc
In most process control systems the process measurement is derived from a...
✔️Ans -sensor
A type of OPEN CHANNEL flow meter which is typically used to measure
WATER flow is the ... ✔️Ans -Parshall Flume
when using a voltmeter without a reference junction to measure the out put of
a thermocoulple it is necessary to... ✔️Ans -Subtract the reference
junction millivolts from the instruments voltage reading
A type of level transmitter which would require that the vessel containing the
liquid was open to the atmosphere would be a... ✔️Ans -bubbler
A bubbler has the following instruments connected as part of the control loop;
FI1001, PCV1001, LIT1001, LIC1001. Which device would most commonly be
used for the flow indicator? ✔️Ans -Rotameter
The temperature of a transmitter is 20-300 degrees F. The output signal is 3-
15 psig. What would be the expected output signal for an input temperature of
175 degrees F? ✔️Ans -195/320=.609(16)+3=9.64 psig
Most flow measurements occur under __________________ conditions.
✔️Ans -turbulent
Six cubic feet of a liquid is 400 pounds. the Specific Gravity of the liquid is...
✔️Ans -400/(62.430*6=374.58) = 1.068
Full compensation of a remote reading thermometer would typically be
provided by... ✔️Ans -secondary capillary
An increase in viscosity of a liquid will result in a ________ Reynolds number
✔️Ans -lower
A tank contains 9 cubic feet of a liquid. The liquid weighs 470 pounds. The
specific gravity of the liquid is... ✔️Ans
-470/(62.43*9=561.87)=.836inwc
In most process control systems the process measurement is derived from a...
✔️Ans -sensor
A type of OPEN CHANNEL flow meter which is typically used to measure
WATER flow is the ... ✔️Ans -Parshall Flume
when using a voltmeter without a reference junction to measure the out put of
a thermocoulple it is necessary to... ✔️Ans -Subtract the reference
junction millivolts from the instruments voltage reading
A type of level transmitter which would require that the vessel containing the
liquid was open to the atmosphere would be a... ✔️Ans -bubbler
A bubbler has the following instruments connected as part of the control loop;
FI1001, PCV1001, LIT1001, LIC1001. Which device would most commonly be
used for the flow indicator? ✔️Ans -Rotameter
