Question 1

Which of the following components is not used as a temperature measurement device?

Accepted Answer

A) thermocouple 
B) RTD 
C) triac 
D) All are used to measure temperature changes. 
A) thermocouple 
B) RTD 
C) triac 
D) All are used to measure temperature changes.

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

A device that exhibits a change in resistance based on a change in pressure is called a:

Accepted Answer

A) gauge transducer. 
B) psi gauge. 
C) pressure transducer. 
D) none of the above. 
A) gauge transducer. 
B) psi gauge. 
C) pressure transducer. 
D) none of the above.

Question 4

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 5

Displacement transducers can be made using a variety of types of optical or electrical circuits.

Accepted Answer

A) True 
 B)False

Question 6

The quantity usually measured using a spring-supported seismic mass is:

Accepted Answer

A) velocity. 
B) weight. 
C) volume. 
D) acceleration. 
A) velocity. 
B) weight. 
C) volume. 
D) acceleration.

Question 7

Which of the following is not a temperature sensor?

Accepted Answer

A) thermocouple 
B) thermistor 
C) resistance temperature detector 
D) triac 
A) thermocouple 
B) thermistor 
C) resistance temperature detector 
D) triac

Question 8

A cold-junction:

Accepted Answer

A) opposes measured temperature. 
B) can have an unpredictable effect on the thermocouple effect. 
C) has a value that depends on ambient temperature. 
D) all of the above. 
A) opposes measured temperature. 
B) can have an unpredictable effect on the thermocouple effect. 
C) has a value that depends on ambient temperature. 
D) all of the above.

Question 9

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 10

Since the triac can be triggered to allow current to flow both directions, it can be used in:

Accepted Answer

A) phase control. 
B) dc circuits. 
C) ac circuits. 
D) any of the above. 
A) phase control. 
B) dc circuits. 
C) ac circuits. 
D) any of the above.

Question 11

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 12

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

Accepted Answer

A) input voltage 
B) length of wires going to the detector 
C) ambient temperature 
D) all of the above 
A) input voltage 
B) length of wires going to the detector 
C) ambient temperature 
D) all of the above

Question 13

One common method of measuring flow rate of a fluid through a pipe is the:

Accepted Answer

A) differential pressure method. 
B) dynaflow method. 
C) wein-bridge method. 
D) hall effect. 
A) differential pressure method. 
B) dynaflow method. 
C) wein-bridge method. 
D) hall effect.

Question 14

Which of the following devices changes resistance inversely with the temperature?

Accepted Answer

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

Question 15

The ac value that is equal to the same dc heating effect is usually called:

Accepted Answer

A) peak value. 
B) heat value. 
C) rms value. 
D) average value. 
A) peak value. 
B) heat value. 
C) rms value. 
D) average value.

Which of the following components is not used as a temperature measurement device?

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

A device that exhibits a change in resistance based on a change in pressure is called a:

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

Displacement transducers can be made using a variety of types of optical or electrical circuits.

The quantity usually measured using a spring-supported seismic mass is:

Which of the following is not a temperature sensor?

A cold-junction:

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

Since the triac can be triggered to allow current to flow both directions, it can be used in:

What device is formed by adjoining two dissimilar metals?

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

One common method of measuring flow rate of a fluid through a pipe is the:

Which of the following devices changes resistance inversely with the temperature?

The ac value that is equal to the same dc heating effect is usually called:

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Circuit Theorems and Conversions

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

RC Circuits

RL Circuits

RlC Circuits and Resonance

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Filters

Exam 21: Three-Phase Systems in Power Applications

Which of the following components is not used as a temperature measurement device?

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

A device that exhibits a change in resistance based on a change in pressure is called a:

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

Displacement transducers can be made using a variety of types of optical or electrical circuits.

The quantity usually measured using a spring-supported seismic mass is:

Which of the following is not a temperature sensor?

A cold-junction:

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

Since the triac can be triggered to allow current to flow both directions, it can be used in:

What device is formed by adjoining two dissimilar metals?

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

One common method of measuring flow rate of a fluid through a pipe is the:

Which of the following devices changes resistance inversely with the temperature?

The ac value that is equal to the same dc heating effect is usually called:

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Circuit Theorems and Conversions

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

RC Circuits

RL Circuits

RlC Circuits and Resonance

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Filters