Sensores y Transductores: Fundamentos y Aplicaciones en Mecatrónica Industrial

Question 1

Which of the following sensors is NOT commonly used in mechatronics applications?

Accepted Answer

Microphone

Answer

Accelerometer

Answer

Temperature sensor

Answer

Proximity sensor

Question 2

What is the principal function of a transducer?

Accepted Answer

Convert one form of energy into another

Answer

Amplify signals

Answer

Detect changes in the environment

Question 3

Which of the following characteristics is essential for an ideal sensor?

Accepted Answer

High sensitivity and low noise

Answer

High cost

Answer

Narrow measuring range

Answer

Slow response time

Question 4

Which type of sensor is specifically designed to detect the presence of an object without physical contact?

Accepted Answer

Proximity sensor

Answer

Light sensor

Answer

Temperature sensor

Answer

Accelerometer

Question 5

In which application would a pressure sensor be most suitable?

Accepted Answer

Monitoring fluid levels in a tank

Answer

Sensing motion

Answer

Measuring temperature

Answer

Detecting smoke

Question 6

What is the primary purpose of calibration in sensor and transducer systems?

Accepted Answer

To ensure accurate and reliable measurements

Answer

To extend the lifespan of the device

Answer

To reduce noise in the system

Answer

To increase the sensitivity of the sensor

Question 7

What is a primary advantage of digital sensors compared to analog sensors?

Accepted Answer

Increased accuracy and noise immunity

Answer

Wider measuring range

Answer

Lower cost

Answer

Faster response time

Question 8

What is the primary function of signal conditioning in sensor systems?

Accepted Answer

To process and prepare the sensor output for further use

Answer

To amplify the sensor output signal

Answer

To generate the sensor output signal

Question 9

Which of the following is a key characteristic of a transducer?

Accepted Answer

Converts energy from one form to another

Answer

Amplifies a signal

Answer

Produces a digital signal

Answer

Filters out noise

Question 10

What type of sensor is specifically designed to measure temperature?

Accepted Answer

Thermocouple

Answer

Strain gauge

Answer

Photocell

Answer

Hall effect sensor

Question 11

What is the primary function of a piezoelectric transducer?

Accepted Answer

Converts mechanical energy to electrical energy

Answer

Converts electrical energy to mechanical energy

Answer

Detects changes in magnetic fields

Question 12

Which of the following is a type of resistive sensor?

Accepted Answer

Strain gauge

Answer

Optical sensor

Answer

Capacitive sensor

Answer

Inductive sensor

Question 13

What is the primary application of a Hall effect sensor?

Accepted Answer

Measuring magnetic fields

Answer

Measuring pressure

Answer

Measuring temperature

Answer

Detecting motion

Question 14

Which of the following factors should be considered when selecting a sensor for a specific application?

Accepted Answer

Accuracy and environmental compatibility

Answer

Cost and appearance

Answer

Marketing materials and customer support

Answer

Brand name and availability

Question 15

What is the purpose of signal conditioning in sensor applications?

Accepted Answer

Preparing the sensor signal for use by a data acquisition system or control device

Answer

Increasing the sensitivity of the sensor

Answer

Reducing the power consumption of the sensor

Question 16

Which of the following is a type of digital sensor?

Accepted Answer

Encoder

Answer

Thermometer

Answer

Strain gauge

Answer

Pressure sensor

Question 17

What is a key advantage of using a remote sensor system?

Accepted Answer

Allows for measurements in inaccessible or hazardous environments

Answer

Improves the accuracy of the sensor

Answer

Reduces the cost of installation

Question 18

¿Cuál de los siguientes componentes NO pertenece a un sistema de sensores y transductores?

Accepted Answer

Actuador

Answer

Sensor de temperatura

Answer

Transductor de presión

Answer

Unidad de procesamiento de señal

Question 19

¿Qué tipo de sensor mide la temperatura mediante la generación de un voltaje proporcional a la temperatura?

Accepted Answer

Termopar

Answer

Sensor de flujo

Answer

Sensor de proximidad

Answer

Sensor de presión

Question 20

La sensibilidad de un sensor se define como:

Accepted Answer

El cambio en la señal de salida para un cambio unitario en la señal de entrada

Answer

El rango de entrada del sensor

Answer

La precisión del sensor

Answer

La señal de salida máxima del sensor

Question 21

Los sensores inductivos son un tipo de sensor:

Accepted Answer

Sin contacto

Answer

Activo

Answer

Pasivo

Answer

De contacto

Question 22

¿Cuál de los siguientes factores NO afecta a la precisión de un sensor?

Accepted Answer

El mantenimiento regular

Answer

La temperatura

Answer

La histéresis

Answer

Las interferencias

Question 23

Un transductor piezoeléctrico funciona convirtiendo:

Accepted Answer

Presión o fuerza en una señal eléctrica

Answer

Luz en una señal eléctrica

Answer

Una señal eléctrica en presión o fuerza

Answer

Una señal eléctrica en luz

Question 24

Los sensores capacitivos funcionan detectando cambios en:

Accepted Answer

Capacitancia

Answer

Corriente

Answer

Inductancia

Answer

Resistencia

Question 25

¿Qué tipo de sensor se utiliza para detectar la presencia o ausencia de un objeto?

Accepted Answer

Sensor de proximidad

Answer

Sensor de flujo

Answer

Sensor de temperatura

Answer

Sensor de presión

Question 26

La linealidad de un sensor se refiere a:

Accepted Answer

La proporcionalidad entre la señal de salida y la señal de entrada dentro de su rango de operación

Answer

La sensibilidad del sensor

Answer

El rango de entrada del sensor

Answer

La precisión del sensor