CIAS INSTRUMENTATION

(1)    Which of the following is regarded as a final control element in a control Loop

• CONTROLLER

• TRANSMITTER

• SENSOR

• CONTROL VALVE

Turbidity is a process variable

• TRUE

• FALSE

For an RTD which type of relationship(Resistance-Temperature) do they exhibit

• Hyperbolic

• non-linear

• linear

• semi-linear

A device that converts one standardized instrumentation signal into another standardized instrumentation signal is called.

• TRANSMITTER

• CONTROL VALVE

• ACTUATOR

• TRANSDUCER

   A device translating the signal produced by a primary sensing element(PSE) into a standardized instrumentation signal is called.

•    Transmitter

•     Control valve

• Actuator

• Transducer

For a standardized instrumentation signal a 12ma signal is equivalent to _________

• 9 psi

• 12 psi

• 6 psi

• 15 psi

The electromagnetic flowmeter takes into consideration the conductivity of a liquid before flowrate can be measured

• True

• False

• Maybe

• I am not sure

A pressure transmitter output normally comes in

• Resistance

• Milli Amperes

• Milli Volts

• None

What is the S.I. unit of pressure

• mmHg

• Psi

• bar

• Pascal

What happens when heat is applied to the joined ends of wires of a thermocouple?

• the wires contract

• the wires start to rotate

• a small voltage is generated

• the wires separate