EPRI Instrumentation Questions and Answers 100% Pass

EPRI Instrumentation Questions and Answers 100% Pass 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% which part of the control loop is the signal conditioner? transmitter what type of meter is a coriolis meter? mass flow give an example of a meter that use indirect measurement? differential pressure, temperature, strain gauge