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

This section includes 20 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.

________ is included in a system to provide desirable damping effect.

A. Speedometer
B. Seismic
C. Damper
D. Dashpot
Answer» E.
2.

Theory behind working of accelerometer can be understood from ________

A. Rotary
B. Liner
C. Newtonian mechanism
D. Reciprocating
Answer» D. Reciprocating
3.

How many sensing structures are there in gyroscope sensor?

A. Two structures
B. Three structures
C. Depending on application
D. Single structure
Answer» E.
4.

What is the rate noise density of gyroscope?

A. 0.011 dps/√Hz
B. 0.0011 dps/√Hz
C. 1.11 dps/√Hz
D. 11.1 dps/√Hz
Answer» B. 0.0011 dps/√Hz
5.

Gyroscope is used to measure_________

A. Linear Acceleration
B. Angular velocity
C. Angular velocity and linear acceleration
D. Linear velocity
Answer» C. Angular velocity and linear acceleration
6.

WHAT_IS_THE_RATE_NOISE_DENSITY_OF_GYROSCOPE??$

A. 0.011 dps/‚àöHz
B. 0.0011 dps/‚àöHz
C. 1.11 dps/‚àöHz
D. 11.1 dps/‚àöHz
Answer» B. 0.0011 dps/‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇHz
7.

Theory behind working of accelerometer can be understood from ________$

A. Rotary
B. Liner
C. Newtonian mechanism
D. Reciprocating
Answer» D. Reciprocating
8.

How_many_sensing_structures_are_there_in_gyroscope_sensor?$

A. Two structures
B. Three structures
C. Depending on application
D. Single structure
Answer» E.
9.

Ring laser type gyroscope operates based on _________ principle.

A. Damper
B. Sagnac
C. Seismic
D. Dashpot
Answer» C. Seismic
10.

________ sensor is used for tracking rotation or twist.

A. Gyroscope
B. Temperature
C. Pressure
D. Proximity
Answer» B. Temperature
11.

Displacement and acceleration are related by fundamental scaling law.

A. True
B. False
Answer» B. False
12.

_________is_included_in_a_system_to_provide_desirable_damping_effect.

A. Speedometer
B. Seismic
C. Damper
D. Dashpot
Answer» E.
13.

Gyroscope is used to measure________?

A. Linear Acceleration
B. Angular velocity
C. Angular velocity and linear acceleration
D. Linear velocity
Answer» C. Angular velocity and linear acceleration
14.

Gyroscope is used for_________

A. Anti-theft
B. Capacitive proximity sensing
C. Gaming
D. Angle detection
Answer» D. Angle detection
15.

The BGM160 gyroscope sensor is fitted with ________ interfaces.

A. Only SPI
B. Only I2C
C. SPI and UART
D. SPI and I2C
Answer» E.
16.

How many and what are the parts that are present in the accelerometer sensor?

A. 1, capacitor sensor
B. 3, piezoelectric effect, Analog display, digital display
C. 2, piezoelectric effect and capacitor sensor
D. 2, Capacitor sensor, digital Display
Answer» D. 2, Capacitor sensor, digital Display
17.

Are accelerometer used in cars?

A. True
B. False
Answer» B. False
18.

What is the use of accelerometer in laptops?

A. To rotate the screen
B. To protect hard drives from damage
C. To get the angle on monitor
D. To get the linear acceleration
Answer» C. To get the angle on monitor
19.

Accelerometer is the measurement of ________

A. Velocity/time
B. Energy/time
C. Height/time
D. Angle/time
Answer» B. Energy/time
20.

Which axis accelerometer is mostly used in IOT?

A. 2- axis
B. 3- axis
C. 1- axis
D. Combination of all
Answer» C. 1- axis