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Sensor quiz2

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

In predictive maintenance, data collected from machine vibration sensors is used to forecast faults. This is an example of ____________

a)

Signal filtering

b)

Complex  

    analytics

c)

Model     

    calibration

d)

Manual  

    diagnostics

2.

Facial recognition attendance systems primarily depend on which of the following technologies?

a)

Temperature  

    sensors

b)

GPS tracking

c)

Image-based

    detection and

    tracking

d)

Barcode

    scanning

3.

Tracking customer movement in a smart retail store requires __________

a)

Proximity sensors and vision systems

b)

Barcode

    readers

c)

Voice assistants

d)

Static

    signs

4.

_____________tool is best suited to process large-scale unstructured data like video streams from surveillance systems.

a)

Rule-based logic

b)

SQL  

    databases

c)

Big data  

    analytics

    frameworks

d)

Histogram-

   based

   estimators

5.

An airport uses facial recognition to match passengers with boarding passes. What function is being applied here?

a)

Biometric

   detection and

   identity tracking

b)

Visual object

     labeling

c)

GPS tracking

d)

Temperature

    scanning

 

6.

In a smart parking system, real-time camera feeds are processed to detect empty slots. This is an example of _____________

a)

Model-driven sensing

b)

Data-driven sensing

c)

Static thresholding

d)

Predictive

    scheduling

7.

____________ data acquisition is most suitable for optimizing sensor placement in a building based on known heat distribution equations

a)

Data-driven

b)

Rule-based

c)

Model-driven

d)

Statistical

8.

A wildlife monitoring drone uses thermal imaging to track animals during the night. __________is the key function used here.

a)

Environmental    

   prediction  

   modeling

b)

Infrared-

    based 

   detection

c)

Thermal data  

    logging

d)

Noise  

    sensing

9.

A smart hospital uses patient vitals from wearable devices to predict cardiac arrests hours in advance. What enables this early prediction?

a)

Manual health

    logs

b)

Scheduled

    nurse rounds

c)

Complex

  analytics on

  streaming data

d)

Cloud storage

10.

____________ technology is best for tracking factory robot arm positions during operations.

a)

Motion

   capture with

   object tracking

b)

RFID

c)

Barcode

    scanning

d)

Time-logging sheets