Question 1

Displacement transducers make use ofW hich of the following?

Accepted Answer

A) capacitance 
B) magnetism 
C) light 
D) any of the above 
A) capacitance 
B) magnetism 
C) light 
D) any of the above

Question 2

Which op-amp circuitW ould be useful to switch to an ʺonʺ condition at a specified voltage?

Accepted Answer

A) instrumentation amp 
B) isolation amplifier 
C) operational transconductance amplifier configured as a Schmitt-trigger 
D) voltage-to-current converter 
A) instrumentation amp 
B) isolation amplifier 
C) operational transconductance amplifier configured as a Schmitt-trigger 
D) voltage-to-current converter

Question 3

The deformation of a material due to force acting on it is called:

Accepted Answer

A) stress. 
B) compression. 
C) pressure. 
D) strain. 
A) stress. 
B) compression. 
C) pressure. 
D) strain.

Question 4

A basic instrumentation amplifier has three op-amps.

Accepted Answer

A) True 
 B)False

Question 5

An input transducer converts:

Accepted Answer

A) voltage to current. 
B) a nonelectrical quantity to an electrical quantity. 
C) current to Voltage. 
D) an electrical quantity to a nonelectrical quantity. 
A) voltage to current. 
B) a nonelectrical quantity to an electrical quantity. 
C) current to Voltage. 
D) an electrical quantity to a nonelectrical quantity.

Question 6

Analog-to-Digital conversion takes a specific analog quantity and produces a unique binary number to represent that quantity.

Accepted Answer

A) True 
 B)False

Question 7

A SCR is used mainly in the control of AC circuits.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following devices changes resistance inverselyW ith the temperature?

Accepted Answer

A) thermocouple 
B) thermistor 
C) RTD 
D) triac 
A) thermocouple 
B) thermistor 
C) RTD 
D) triac

Question 9

In the classic three op-amp instrumentation amplifier, the differential voltage gain is usually produced by the:

Accepted Answer

A) second stage. 
B) output op amp. 
C) mismatched resistors. 
D) first stage. 
A) second stage. 
B) output op amp. 
C) mismatched resistors. 
D) first stage.

Question 10

The primary function of the oscillator in an isolation amplifier is to:

Accepted Answer

A) convert dc to low frequency ac. 
B) rectify high frequency ac to dc. 
C) convert dc to high frequency ac. 
D) produce dual polarity dcVoltages for the input to the demodulator. 
A) convert dc to low frequency ac. 
B) rectify high frequency ac to dc. 
C) convert dc to high frequency ac. 
D) produce dual polarity dcVoltages for the input to the demodulator.

Question 11

When using an OTA in a Schmitt-trigger configuration, the trigger points are controlled by:

Accepted Answer

A) the IOUT. 
B) the IBIAS. 
C) theV OUT. 
D) both A and B. 
A) the IOUT. 
B) the IBIAS. 
C) theV OUT. 
D) both A and B.

Question 12

Which of the following is not a force-related parameter?

Accepted Answer

A) motion 
B) strain 
C) pressure 
D) velocity 
A) motion 
B) strain 
C) pressure 
D) velocity

Question 13

What device has the same function as a thermocouple but has a more linear output?

Accepted Answer

A) resistance temperature detectors 
B) analog temperature device 
C) capacitive temperature detector 
D) linear temperature device 
A) resistance temperature detectors 
B) analog temperature device 
C) capacitive temperature detector 
D) linear temperature device

Question 14

Sample and hold circuits:

Accepted Answer

A) increase resolution. 
B) convert analogVoltages to a binary number. 
C) reduce quantization error. 
D) all of the above. 
A) increase resolution. 
B) convert analogVoltages to a binary number. 
C) reduce quantization error. 
D) all of the above.

Question 15

What affects the accurate operation of a resistance bridge measuring temperature?

Accepted Answer

A) inputVoltage 
B) length of Wires going to the detector 
C) ambient temperature 
D) all of the above 
A) inputVoltage 
B) length of Wires going to the detector 
C) ambient temperature 
D) all of the above

Question 16

What device is formed by adjoining two dissimilar metals?

Accepted Answer

A) pop-sensor 
B) thermocouple 
C) sequencer 
D) none of the above 
A) pop-sensor 
B) thermocouple 
C) sequencer 
D) none of the above

Question 17

Precise control of a triac to prevent high-frequency transients is called:

Accepted Answer

A) microcontroller pulsing. 
B) zero-voltage switching. 
C) pulse switch triggering. 
D) negative feedback biasing. 
A) microcontroller pulsing. 
B) zero-voltage switching. 
C) pulse switch triggering. 
D) negative feedback biasing.

Question 18

-Refer to Figure 20-2.Which of these circuits is known as a current-to-voltage converter?

Accepted Answer

A) (a) 
B) (b) 
C) (c) 
D) (d) 
A) (a) 
B) (b) 
C) (c) 
D) (d)

Question 19

In some respects an isolation amplifier is nothing more than an elaborate:

Accepted Answer

A) instrumentation amplifier. 
B) op amp. 
C) rectifier and filter. 
D) both A and B 
A) instrumentation amplifier. 
B) op amp. 
C) rectifier and filter. 
D) both A and B

Question 20

The input signal for an instrumentation amplifier usually comes from:

Accepted Answer

A) a transducer. 
B) an inverting amplifier. 
C) a Wheatstone bridge. 
D) a differential amplifier. 
A) a transducer. 
B) an inverting amplifier. 
C) a Wheatstone bridge. 
D) a differential amplifier.

Displacement transducers make use ofW hich of the following?

Which op-amp circuitW ould be useful to switch to an ʺonʺ condition at a specified voltage?

The deformation of a material due to force acting on it is called:

A basic instrumentation amplifier has three op-amps.

An input transducer converts:

Analog-to-Digital conversion takes a specific analog quantity and produces a unique binary number to represent that quantity.

A SCR is used mainly in the control of AC circuits.

Which of the following devices changes resistance inverselyW ith the temperature?

In the classic three op-amp instrumentation amplifier, the differential voltage gain is usually produced by the:

The primary function of the oscillator in an isolation amplifier is to:

When using an OTA in a Schmitt-trigger configuration, the trigger points are controlled by:

Which of the following is not a force-related parameter?

What device has the same function as a thermocouple but has a more linear output?

Sample and hold circuits:

What affects the accurate operation of a resistance bridge measuring temperature?

What device is formed by adjoining two dissimilar metals?

Precise control of a triac to prevent high-frequency transients is called:

-Refer to Figure 20-2.Which of these circuits is known as a current-to-voltage converter?

In some respects an isolation amplifier is nothing more than an elaborate:

The input signal for an instrumentation amplifier usually comes from:

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Regulators, Filters, and Op-Amps

Filters

Exam 17: Understanding Transducers, Sensors, and Conversion in Industrial Processes

Displacement transducers make use ofW hich of the following?

Which op-amp circuitW ould be useful to switch to an ʺonʺ condition at a specified voltage?

The deformation of a material due to force acting on it is called:

A basic instrumentation amplifier has three op-amps.

An input transducer converts:

Analog-to-Digital conversion takes a specific analog quantity and produces a unique binary number to represent that quantity.

A SCR is used mainly in the control of AC circuits.

Which of the following devices changes resistance inverselyW ith the temperature?

In the classic three op-amp instrumentation amplifier, the differential voltage gain is usually produced by the:

The primary function of the oscillator in an isolation amplifier is to:

When using an OTA in a Schmitt-trigger configuration, the trigger points are controlled by:

Which of the following is not a force-related parameter?

What device has the same function as a thermocouple but has a more linear output?

Sample and hold circuits:

What affects the accurate operation of a resistance bridge measuring temperature?

What device is formed by adjoining two dissimilar metals?

Precise control of a triac to prevent high-frequency transients is called:

-Refer to Figure 20-2.Which of these circuits is known as a current-to-voltage converter?

In some respects an isolation amplifier is nothing more than an elaborate:

The input signal for an instrumentation amplifier usually comes from:

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Regulators, Filters, and Op-Amps

Filters