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EPRI Instrumentation Questions And Answers

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EPRI Instrumentation Questions And Answers. Inductance is measured in: - ️️️Henreys How many contacts does a DPDT relay have? - ️️️4 or 2 sets what is the best alternative to Grounding for portable tools? - ️️️double insulated what steps should you take to prevent damaging a circuit board while replacing it? - ️️️Wear an electrostatic discharge strap, don't touch the low voltage side, and have the power off? what is the loop resistance for a circuit with 5 ohm, 7 ohm, & 12 ohm resistor in parallel? - ️️ ️2.35 ohms

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EPRI Instrumentation



EPRI Instrumentation Questions And
Answers.
Inductance is measured in: - ✔️✔️✔️Henreys



How many contacts does a DPDT relay have? - ✔️✔️✔️4 or 2 sets



what is the best alternative to Grounding for portable tools? - ✔️✔️✔️double insulated



what steps should you take to prevent damaging a circuit board while replacing it? - ✔️✔️✔️Wear
an electrostatic discharge strap, don't touch the low voltage side, and have the power off?



what is the loop resistance for a circuit with 5 ohm, 7 ohm, & 12 ohm resistor in parallel? - ✔️✔️✔
️2.35 ohms



what is the loop resistance for a circuit with 5 ohm, 7 ohm, and 12 ohm resistor in series? - ✔️✔️✔
️24 ohms



How can a 4-20mA dc signal be read by a chart recorder that requires a 1-5vdc input signal? - ✔️✔️✔
️Use a 250 ohm resistor in series



Which part of a valve provides the mechanical energy for stem travel? - ✔️✔️✔️The Actruator



Which part of the valve becomes an integral part of the process piping? - ✔️✔️✔️Valve body



A level transmitter is calibrated 0-150" H2O. the output is 9 mA. what is the input? - ✔️✔️✔
️46.875" H20 or 31%


EPRI Instrumental Page 1

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