Explore topic-wise MCQs in Internet of things (IoT).

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Internet of things (IoT) knowledge and support exam preparation. Choose a topic below to get started.

1.

________ measures temperature by correlating the resistance of the RTD with temperature.

A. Thermistor
B. Resistance Thermometer
C. Thermo couple
D. Semiconductor based sensor
Answer» C. Thermo couple
2.

A ________ is thermally sensitive resistor that exhibits a large change in resistance.

A. Thermistor
B. Resistance Thermometer
C. Thermo couple
D. Semiconductor based sensor
Answer» B. Resistance Thermometer
3.

Line of sight of wireless sensor tag is ________

A. 750ft
B. 700ft
C. 500ft
D. 550ft
Answer» C. 500ft
4.

WHAT_IS_STSC1??$

A. Pressure sensor
B. Temperature sensor
C. Touch sensor
D. Humidity sensor
Answer» C. Touch sensor
5.

A ________ is thermally sensitive resistor that exhibits a large change in resistance.$

A. Thermistor
B. Resistance Thermometer
C. Thermo couple
D. Semiconductor based sensor
Answer» B. Resistance Thermometer
6.

Line_of_sight_of_wireless_sensor_tag_is_________$

A. 750ft
B. 700ft
C. 500ft
D. 550ft
Answer» C. 500ft
7.

Which sensor is linear and low accuracy?

A. Thermistor
B. Resistance Thermometer
C. Thermocouple
D. Semiconductor based sensor
Answer» E.
8.

Which type of temperature sensor is placed in Integrated Circuits?

A. Thermistor
B. Resistance Thermometer
C. Thermocouple
D. Semiconductor based sensor
Answer» E.
9.

________ consists of two different metals connected at two points.

A. Thermistor
B. Resistance Thermometer
C. Thermocouple
D. Semiconductor based sensor
Answer» D. Semiconductor based sensor
10.

_________measures_temperature_by_correlating_the_resistance_of_the_RTD_with_temperature.

A. Thermistor
B. Resistance Thermometer
C. Thermo couple
D. Semiconductor based sensor
Answer» C. Thermo couple
11.

What is DS18B20?

A. Pressure sensor
B. Touch sensor
C. Humidity sensor
D. Temperature sensor
Answer» E.
12.

Electric motor protection has which sensor?

A. Pressure sensor
B. Touch sensor
C. Temperature sensor
D. Humidity sensor
Answer» D. Humidity sensor
13.

Which sensor is used for monitor electric distribution and switching equipment temperature?

A. LM35
B. ESP8266
C. DHT11
D. RFM3200
Answer» E.
14.

Which of the following is the Wireless battery-free sensor?

A. LM35
B. RFM3200
C. ESP8266
D. DHT11
Answer» C. ESP8266
15.

Monnit temperature sensor is used for what?

A. Accurate results
B. To measure the temperature at high degree
C. Temperature sensor
D. Pressure sensor
Answer» B. To measure the temperature at high degree
16.

How many pins does temperature sensor have?

A. 5 legs
B. 2 legs
C. 4 legs
D. 3 legs
Answer» E.
17.

which sensor is LM35?

A. Pressure sensor
B. Humidity sensor
C. Temperature sensor
D. Touch sensor
Answer» D. Touch sensor
18.

What is ESP8266?

A. WIFI module
B. Sensor
C. Board
D. USB cable
Answer» B. Sensor