Course Prerequisite Quiz PPI6081B

A basic control loop will consist of:

• signal converter, resistor, knob, and control valve

• resistor, capacitor, terminal block, and battery

• transmitter, controller, I/P transducer, and control valve

• control valve, microprocessor, terminal block, and cables

Which of the following is not a “final control element”?

• A pressure transmitter

• An electric motor

• A heating element

• A control valve

The most common analog signal standard for industrial process instruments is:

• 0 to 5 amps AC

• 4 to 20 milliamps DC

• 4 to 20 milliamps AC

• 0 to 10 volts

Identify which of the following is an example of a “primary sensing element”:

• I/P transducer

• Instrument signal cable

• Digital controller

• Diaphragm

In a home heating system, room temperature is the:

• Process variable

• Setpoint

• Manipulated variable

• Error variable

What is the principle of operation for a turbine flow meter?

• The pressure drop across an obstruction is proportional to the flow rate

• The frequency of rotation of a turbine blade is proportional to the flow rate

• The change in electrical resistance of a conductor is proportional to the flow rate

• The change in magnetic field strength is proportional to the flow rate

Which flow measurement technique is based on the principle of fluid displacement?

• Electromagnetic flow meter

• Positive displacement flow meter

• Ultrasonic flow meter

• Coriolis flow meter

Which flow meter technology is based on the principle of measuring the velocity of a fluid at one or more points in a pipe?

• Magnetic flow meter

• Ultrasonic flow meter

• Differential pressure flow meter

• Thermal flow meter

Which of the following flow measurement devices operates based on the principle of Bernoulli’s equation?

• Coriolis flow meter

• Venturi meter

• Magnetic flow meter

• Ultrasonic flow meter

Which of the following flow measurement devices is suitable for measuring the flow rate of corrosive fluids?

• Magnetic flow meter

• Turbine flow meter

• Vortex flow meter

• Thermal flow meter