Question 1

The breakover point of an SBS can be altered with an external zener connected to the SBS.

Accepted Answer

A) True 
 B)False

Question 2

If you are required to select a sensor to detect a plastic part and you need the maximum distance possible, then you would choose an unshielded capacitive sensor.

Accepted Answer

A) True 
 B)False

Question 3

The firing delay angle is equal to 180 degrees minus the firing angle.

Accepted Answer

A) True 
 B)False

Question 4

Photoelectric sensors have a much greater range than proximity type sensors.

Accepted Answer

A) True 
 B)False

Question 5

Inductive type sensors could detect a part that had __ material present

Accepted Answer

A)  Water 
B)  Wood 
C)  Copper 
D)  Plastic 
E)  None of the above
Material present. 
A)  Water 
B)  Wood 
C)  Copper 
D)  Plastic 
E)  None of the above
Material present.

Question 6

R2 and R3 set the intrinsic standoff ratio in the circuit below.
?

Accepted Answer

A) True 
 B)False

Question 7

A thin flat plate and large solid block of the same metal are sensed by an inductive proximity sensor, the large solid block would be sensed at a greater distance than the thin flat plate since it would have large eddy current values.

Accepted Answer

A) True 
 B)False

Question 8

Match the statement that describes a sensor type with the name of the sensor mode .
-Sensor with the greatest sensing distance

Accepted Answer

A)  Polarized retroreflective sensor type 
B)  Retroreflective photoelectric sensor type 
C)  Through-beam photoelectric sensor type 
D)  Diffuse photoelectric sensor type 
A)  Polarized retroreflective sensor type 
B)  Retroreflective photoelectric sensor type 
C)  Through-beam photoelectric sensor type 
D)  Diffuse photoelectric sensor type

Question 9

Analog distance sensors are available in photoelectric and ultrasonic configurations. Select the true statement.

Accepted Answer

A)  The ultrasonic are less sensitive to environmental conditions. 
B)  The photoelectric are the most accurate. 
C)  Ultrasonic sensor have been developed quite recently. 
D)  The photoelectric models have the greatest distance sensing capability. 
A)  The ultrasonic are less sensitive to environmental conditions. 
B)  The photoelectric are the most accurate. 
C)  Ultrasonic sensor have been developed quite recently. 
D)  The photoelectric models have the greatest distance sensing capability.

Question 10

Match the the correct lighting configuration with lighting application.
-Diffuse back lighting

Accepted Answer

A)  Applications where shadow elimination is critical 
B)  Useful for showing surface texture or edge details o n objects 
C)  Extracts greater information for the flat surfaces of objects 
D)  Useful for emphasizing object edges for dimensional checks 
A)  Applications where shadow elimination is critical 
B)  Useful for showing surface texture or edge details o n objects 
C)  Extracts greater information for the flat surfaces of objects 
D)  Useful for emphasizing object edges for dimensional checks

Question 11

The SBS has two anodes and two gates.

Accepted Answer

A) True 
 B)False

Question 12

If you are required to select a sensor to detect an aluminum part and you need the a very narrow sensing field, then you would choose an unshielded inductive sensor.

Accepted Answer

A) True 
 B)False

Question 13

If a photoelectric sensor has a margin of 20, then the light received by the sensor is 20 larger than the light necessary to turn on the sensor.

Accepted Answer

A) True 
 B)False

Question 14

If metal switch boxes are passing the sensor location at 30 mm then the best choice for a sensor would be

Accepted Answer

A)  Through beam photoelectric. 
B)  Diffused beam photoelectric. 
C)  Capacitive proximity. 
D)  Inductive proximity. 
E)  None of the above 
A)  Through beam photoelectric. 
B)  Diffused beam photoelectric. 
C)  Capacitive proximity. 
D)  Inductive proximity. 
E)  None of the above

Question 15

Match the device t o the schematic symbol.
-Diac

Accepted Answer

A)    
B)    
C)    
A)    
B)    
C)

Question 16

New setting distances for proximity sensors require experiment data for the actual sensing distance to make the calculations.

Accepted Answer

A) True 
 B)False

Question 17

The application calls for a sensor to detect small parts passing within a few mm of the sensor location. Access from one side only is permitted. What is the best sensor to use?

Accepted Answer

A)  Diffused beam shart cutoff photoelectric 
B)  Diffused beam background suppression photoelectric 
C)  Diffused beam fixed focus photoelectric 
D)  Diffused beam wide angle photoelectric 
E)  None of the above 
A)  Diffused beam shart cutoff photoelectric 
B)  Diffused beam background suppression photoelectric 
C)  Diffused beam fixed focus photoelectric 
D)  Diffused beam wide angle photoelectric 
E)  None of the above

Question 18

The peak repetitive off -state voltage of the triac is the maximum allowed value of repetitive voltage that may be applied and not turn the triac off.

Accepted Answer

A) True 
 B)False

Question 19

You need a sensor with high margins to count very reflective objects 100 mm from the sensor in a dirty enviroment. What is the best sensor to use?

Accepted Answer

A)  Capacitive proximity 
B)  Diffuse photoelectric 
C)  Transmitted beam photoelectric 
D)  Retroreflective photoelectric 
E)  None of the above 
A)  Capacitive proximity 
B)  Diffuse photoelectric 
C)  Transmitted beam photoelectric 
D)  Retroreflective photoelectric 
E)  None of the above

Question 20

The most popular type of proximity sensor style is the cylindrical threaded barrel type.

Accepted Answer

A) True 
 B)False

The breakover point of an SBS can be altered with an external zener connected to the SBS.

If you are required to select a sensor to detect a plastic part and you need the maximum distance possible, then you would choose an unshielded capacitive sensor.

The firing delay angle is equal to 180 degrees minus the firing angle.

Photoelectric sensors have a much greater range than proximity type sensors.

Inductive type sensors could detect a part that had __ material present

R2 and R3 set the intrinsic standoff ratio in the circuit below. ?

A thin flat plate and large solid block of the same metal are sensed by an inductive proximity sensor, the large solid block would be sensed at a greater distance than the thin flat plate since it would have large eddy current values.

Match the statement that describes a sensor type with the name of the sensor mode . -Sensor with the greatest sensing distance

Analog distance sensors are available in photoelectric and ultrasonic configurations. Select the true statement.

Match the the correct lighting configuration with lighting application. -Diffuse back lighting

The SBS has two anodes and two gates.

If you are required to select a sensor to detect an aluminum part and you need the a very narrow sensing field, then you would choose an unshielded inductive sensor.

If a photoelectric sensor has a margin of 20, then the light received by the sensor is 20 larger than the light necessary to turn on the sensor.

If metal switch boxes are passing the sensor location at 30 mm then the best choice for a sensor would be

Match the device t o the schematic symbol. -Diac

New setting distances for proximity sensors require experiment data for the actual sensing distance to make the calculations.

The application calls for a sensor to detect small parts passing within a few mm of the sensor location. Access from one side only is permitted. What is the best sensor to use?

The peak repetitive off -state voltage of the triac is the maximum allowed value of repetitive voltage that may be applied and not turn the triac off.

You need a sensor with high margins to count very reflective objects 100 mm from the sensor in a dirty enviroment. What is the best sensor to use?

The most popular type of proximity sensor style is the cylindrical threaded barrel type.

Introduction to Industrial Control Systems, Discrete Control Input and Output Devices

Solidstate Devices in Industrial Applications, Operational Amplifiers and Linear ICS

Analog Processes Control Devices, Sensors and Safety

DC Motors, Control Circuits, AC Motors and Variable Speed Drives

Special Purpose Motor, Control Devices and Programmable Logic Controllers

Embedded Microcontrollers, Open and Closed Loop Process Control

Industrial Robots, Automation Systems and Data Communication Between Intelligent Machines

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Exam 3: SCRS, Triacs, Other Thryristors, Discrete Automation Sensors and Devices

The breakover point of an SBS can be altered with an external zener connected to the SBS.

If you are required to select a sensor to detect a plastic part and you need the maximum distance possible, then you would choose an unshielded capacitive sensor.

The firing delay angle is equal to 180 degrees minus the firing angle.

Photoelectric sensors have a much greater range than proximity type sensors.

Inductive type sensors could detect a part that had __ material present

R2 and R3 set the intrinsic standoff ratio in the circuit below. ?

A thin flat plate and large solid block of the same metal are sensed by an inductive proximity sensor, the large solid block would be sensed at a greater distance than the thin flat plate since it would have large eddy current values.

Match the statement that describes a sensor type with the name of the sensor mode . -Sensor with the greatest sensing distance

Analog distance sensors are available in photoelectric and ultrasonic configurations. Select the true statement.

Match the the correct lighting configuration with lighting application. -Diffuse back lighting

The SBS has two anodes and two gates.

If you are required to select a sensor to detect an aluminum part and you need the a very narrow sensing field, then you would choose an unshielded inductive sensor.

If a photoelectric sensor has a margin of 20, then the light received by the sensor is 20 larger than the light necessary to turn on the sensor.

If metal switch boxes are passing the sensor location at 30 mm then the best choice for a sensor would be

Match the device t o the schematic symbol. -Diac

New setting distances for proximity sensors require experiment data for the actual sensing distance to make the calculations.

The application calls for a sensor to detect small parts passing within a few mm of the sensor location. Access from one side only is permitted. What is the best sensor to use?

The peak repetitive off -state voltage of the triac is the maximum allowed value of repetitive voltage that may be applied and not turn the triac off.

You need a sensor with high margins to count very reflective objects 100 mm from the sensor in a dirty enviroment. What is the best sensor to use?

The most popular type of proximity sensor style is the cylindrical threaded barrel type.

Introduction to Industrial Control Systems, Discrete Control Input and Output Devices

Solidstate Devices in Industrial Applications, Operational Amplifiers and Linear ICS

Analog Processes Control Devices, Sensors and Safety

DC Motors, Control Circuits, AC Motors and Variable Speed Drives

Special Purpose Motor, Control Devices and Programmable Logic Controllers

Embedded Microcontrollers, Open and Closed Loop Process Control

Industrial Robots, Automation Systems and Data Communication Between Intelligent Machines

Filters