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MCE Design > Sensors > Flashcards

Sensors Flashcards

1
Q

What is an electronic sensor?

A

A device that detects changes in the environment and converts them into signals for processing.

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2
Q

True or False: Proximity sensors can detect the presence of an object without physical contact.

A

True

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3
Q

Fill in the blank: A _____ sensor measures the position of an object.

A

position

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4
Q

What type of sensor is commonly used to measure speed?

A

Speed sensors, such as tachometers.

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5
Q

Multiple Choice: Which of the following is NOT a type of electronic sensor? A) Light sensor B) Proximity sensor C) Radio sensor D) Position sensor

A

C) Radio sensor

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6
Q

What do light sensors primarily detect?

A

The intensity of light in the environment.

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7
Q

True or False: Switches are a type of sensor that can only detect on/off states.

A

True

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8
Q

What principle do capacitive proximity sensors operate on?

A

They detect changes in capacitance caused by the presence of an object.

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9
Q

Fill in the blank: A _____ sensor converts light into an electrical signal.

A

light

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10
Q

What is the function of a speed sensor?

A

To measure the speed of an object or fluid.

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11
Q

Multiple Choice: Which sensor is typically used in automotive applications to detect the position of the throttle? A) Speed sensor B) Position sensor C) Proximity sensor D) Light sensor

A

B) Position sensor

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12
Q

True or False: Infrared sensors can be used for both proximity detection and temperature measurement.

A

True

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13
Q

What type of sensor would you use to detect the presence of a person in a room?

A

A motion sensor or a proximity sensor.

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14
Q

Fill in the blank: A _____ sensor is used to detect the presence and distance of an object without making contact.

A

proximity

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15
Q

What is the main advantage of using optical sensors?

A

They can provide non-contact detection and high accuracy.

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16
Q

Multiple Choice: Which sensor is primarily used in smartphones to adjust screen brightness? A) Proximity sensor B) Light sensor C) Position sensor D) Speed sensor

A

B) Light sensor

17
Q

True or False: Hall effect sensors are used to detect magnetic fields.

A

True

18
Q

What type of switch is used in most household appliances for on/off functionality?

A

Mechanical switches.

19
Q

Fill in the blank: A _____ sensor is often used in robotics to determine the distance to an object.

A

distance

20
Q

What is a key application of speed sensors in industrial settings?

A

Monitoring the speed of conveyor belts.

21
Q

Multiple Choice: Which sensor would you use to detect light levels in a greenhouse? A) Temperature sensor B) Light sensor C) Proximity sensor D) Speed sensor

A

B) Light sensor

22
Q

True or False: Ultrasonic sensors can be used for distance measurement.

A

True

23
Q

What kind of sensor would you use to detect the tilt of an object?

A

Tilt sensors or inclinometers.

24
Q

Fill in the blank: A _____ sensor can detect the speed of a rotating shaft.

A

tachometer

25
Q

What is the working principle of a resistive position sensor?

A

It changes resistance based on the position of a slider or wiper.

26
Q

Multiple Choice: Which of the following sensors is often used in security systems? A) Temperature sensor B) Light sensor C) Motion sensor D) Proximity sensor

A

C) Motion sensor

27
Q

True or False: Sensors can only be used in electronic devices.

A

False

28
Q

What is the primary use of a temperature sensor?

A

To measure the temperature of an object or environment.

29
Q

Fill in the blank: A _____ sensor can detect the presence of an object through changes in capacitance.

A

capacitive

30
Q

What type of sensor would be used in an automatic door to detect a person approaching?

A

A motion or proximity sensor.

31
Q

Multiple Choice: Which sensor detects changes in pressure? A) Light sensor B) Pressure sensor C) Proximity sensor D) Position sensor

A

B) Pressure sensor

32
Q

True or False: A photoresistor is a type of light sensor.

A

True

MCE Design (1 decks)

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