EETC 2361 Instrumentation Technology Mid-Term Review

Two major reasons for measuring level are control and ___________.

• Sensing

• Monitoring

• Evaluating

• Manipulating

Closed-Loop process control systems are more expensive and complex than open loop systems.

• True

• False

Which of the following is a common process variable?

• Time

• Flow

• Distance

• Resistance

Display ______ allows a device to display a sensor's signal value in physical units.

• Factoring

• Scaling

• Adjustment

• Development

_______ is the ration of the weight of a liquid to an equal amount of water.

• Specific Density

• Static Gravity

• Specific Gravity

• Static Density

To convert an electrical signal to a pressure, you should know the measure output value, the sensitivity, and the ______ output signal value.

• Maximum

• Minimum

• Discrete

• Analog

Two types of analog signal outputs that transmitters provide are DC voltage and _________.

• DC Current

• AC Voltage

• AC Current

• Resistance

A P&ID often consists of several control loops.

• True

• False