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Proximity Sensor MCQ's

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Which sensor can detect nearby objects?
S Proximity Sensor
A
Explanation
A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact. A proximity sensor often emits an electromagnetic field or a beam of electromagnetic radiation, and looks for a change in the return signal.
B
C
D
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The monitoring of machines, gears and objects are achieved by which sensor?
S Proximity Sensor
A
B
Explanation
The monitoring of machines, gears and objects are achieved precisely by the IOT(INTERNET OF THINGS) wireless proximity sensors. They use in industries ranging from robotics to machine tools, from measuring instruments to assembly lines, from food sector to chemical industry, etc.
C
D
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Which proximity sensor detects metal objects?
S Proximity Sensor
A
B
C
D
Explanation
Different proximity sensor targets demand different sensors. The different types of proximity sensors are: Inductive, Capacitive, Ultrasonic, Photoelectric, Magnetic, etc.
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Which proximity sensor indicates level?
S Proximity Sensor
A
Explanation
Capacitive Proximity Sensor indicates level and the fill amount present in containers, behind covering. They are used to track all objects including non-metallic ones.
B
C
D
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Which proximity sensors are used in automotive?
S Proximity Sensor
A
B
C
D
Explanation
They are widely used in automotive such as parking sensors. Ultrasonic Proximity Sensors are used in automotive.
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Which proximity sensor detects positioning of an object?
S Proximity Sensor
A
B
C
Explanation
They recognize, for non-contact and precisely, the positioning of the object.
D
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Are proximity sensors used in retail settings?
S Proximity Sensor
A
Explanation
A retailer can use a customer's proximity to a product to send deals and coupons directly to their smart phone.
B
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VCNL4100CT allows the proximity detection up to________
S Proximity Sensor
A
B
Explanation
VCNL4100CT expand the range of applications by introducing a high-power IR emitter that allows proximity detection up to one meter.
C
D
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Which protocol is used by proximity sensor?
S Proximity Sensor
A
Explanation
Microcontroller communication is via standard I2C, where the host can set measurement parameters and request results. If desired, programmable threshold allow the VCNL4100 to interrupt the host once threshold values are crossed, thereby minimizing device polling.
B
C
D
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Does proximity sensor have a temperature sensor in it?
S Proximity Sensor
A
Explanation
A buit-in temperature sensor is used by the signal processing circuitry to provide stable outputs across the temperature range -40 degree celcius to +85 degree celcius.
B
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