Description : ____ sensor measure heat emitted by objects. A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Proximity Sensor
Last Answer : C. IR Sensor
Description : ___ sensors include thermocouples, thermistors, resistor temperature detectors (RTDs) and integratd circuits (ICs). A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Proximity Sensor
Last Answer : B. Temperature Sensor
Description : ____ sensor is used for automatic door controls, automatic parking system, automated sinks, automated toilet flushers, hand dryers. A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Motion Sensor
Last Answer : D. Motion Sensor
Description : Which of the following factors is the most important in the site selection for a nuclear power plant? (A) Absence of earthquake prone zone in nearby areas (B) Abundant availability of water (C) Remotely located from residential areas (D) Proximity to fuel source
Last Answer : (A) Absence of earthquake prone zone in nearby areas
Description : WSN stands for A. Wide Sensor Network B. Wireless Sensor Network C. Wired Sensor Network D. None of these
Last Answer : B. Wireless Sensor Network
Description : From which of the following is known as non-contact sensor a.Force sensor b.Tactile sensor c.Proximity sensor d.None of the above
Last Answer : c.Proximity sensor
Description : From which of the following is known as contact sensor. a.Tactile sensor b.Proximity sensor c.Visual sensor d.Range detector
Last Answer : a.Tactile sensor
Description : From which of the following is known as non-contact sensor. (A) Force sensor (B) Tactile sensor (C) Proximity sensor (D) None of the above
Last Answer : C
Description : From which of the following is known as contact sensor. (A) Tactile sensor (B) Proximity sensor (C) Visual sensor (D) Range detector
Last Answer : A
Description : ____ is a data-centric middleware standard for device-to-device and machine-to-machine communication. A. Data Distribution Serviced (DDS) B. Advance Message Queuing Protocol (AMQP) C. Extensible Messaging and Presence Protocol (XMPP) D. Message Queue Telemetry Transport (MQTT)
Last Answer : A. Data Distribution Serviced (DDS)
Description : Interconnection of Internet and computing devices embedded in everyday objects, enabling them to send and receive data is called_____________ A. Internet of Things B. Network Interconnection C. Object Determination D. None of these
Last Answer : A. Internet of Things
Description : What does “Things” in IoT refers to? A. General device B. Information C. IoT devices D. Object
Last Answer : C. IoT devices
Description : Devices that transforms electrical signals into physical movements A. Sensors B. Actuators C. Switches D. Display
Last Answer : B. Actuators
Description : _____________ layer protocols determine how the data is physically sent over the network’s physical layer or medium. A. Application layer B. Transport layer C. Network layer D. Link layer
Last Answer : D. Link layer
Description : _____________ is a computing concept that describes the idea of everyday physical objects being connected to the internet. A. IOT (Internet of Things) B. MQTT C. COAP D. SPI
Last Answer : A. IOT (Internet of Things)
Description : The sensor that requires physical touch of an object is called A : Contact Sensor B : Inertial Sensors C : Infrared Sensor D : Laser Rangefinder
Last Answer : A : Contact Sensor
Description : Sensors which are come in contact with some surface to measured desired physical variable areknown as____ a.Non-contact sensors b.Proximity sensors c.Contact sensors d.None of the above
Last Answer : c.Contact sensors
Description : Sensors which are come in contact with some surface to measured desired physical variable are known as____. (A) Non-contact sensors (B) Proximity sensors (C) Contact sensors (D) None of the above
Description : From which of the following is type of sensor used in robotics. (A) Force sensor (B) Proximity sensor (C) None of the above (D) Both (A) & (B)
Last Answer : D
Description : What is proximity sensor ? State its four applications.
Last Answer : Proximity sensors are input devices that detect presence of an object without physical contact. Inductive and capacitive proximity sensors are popularly used in industrial applications. Applications: 1) Gear teeth ... of fluid in a bottle 5) Sensing moving object inside a pipe 6) RPM measurement
Description : Explain the working of inductive proximity sensor. State any two applications.
Last Answer : Proximity sensors are input devices that detect presence of an object without physical contact. Internal construction of inductive proximity switch is as shown in figure. It consists of a ... Applications: 1) gear teeth sensing 2) RPM measurement 3) Object counting 4) Obstacle detection.
Description : What is the proximity sensor?
Last Answer : It is just made from ir receiver and ir transmitter it detect the shadow
Description : How does an IR sensor work?
Last Answer : An IR sensor gives off infrared light forward that can be reflected off an object in front of the sensor in order to detect its presence.
Description : Which is the part of Data Link Layer: a. LLC b. MAC c. Both a and b d. None of these
Last Answer : c. Both a and b
Description : Which IEEE standard is developed for CSMA/CD a. IEEE 802.1 b. IEEE 802.2 c. IEEE 802.3 d. IEEE 802.4
Last Answer : c. IEEE 802.3
Description : Which multiple access technique is used by IEEE 802.11 standard for wireless LAN? a. ALOHA b. CSMA/CA c. CDMA d. none of the mentioned
Last Answer : b. CSMA/CA
Description : MQTT is: a. Based on client-server architecture b. Based on publish-subscribe architecture c. Based on both of the above d. Based on none of the above
Last Answer : b. Based on publish-subscribe architecture
Description : HTTP resources are located by a. unique resource locator b. unique resource identifier c. none of the mentioned d. uniform resource identifier
Last Answer : d. uniform resource identifier
Description : .Frequency band used by 802.11 ah standard is: a. 60 GHz b. 2.4 GHz c. Sub 1 GHz d. 5 GHz
Last Answer : c. Sub 1 GHz
Description : Which layer is called a port layer in OSI model? a. Session b. Application c. Presentation d. Transport
Last Answer : a. Session
Description : Which transport layer protocols is used by DHCP? a. RSVP b. TCP c. DCCP d. UDP
Last Answer : d. UDP
Description : Which one out of these is not a data link layer technology: a. Bluetooth b. UART c. WIFI d. HTTP
Last Answer : d. HTTP
Description : The measurement of humidity is A. RH B. PH C. IC D. None of aboved
Last Answer : A. RH
Description : ____ is used latching, locking, triggering. A. Solenoid B. Relay C. Linear Actuator D. Servo motors
Last Answer : A. Solenoid
Description : ___ is an open source electronic platform based on easy to used hardware and software. A. Arduino B. Uno C. Raspberry Pi D. Node
Last Answer : A. Arduino
Description : What is the microcontroller used in Arduino UNO? A. ATmega328p B. ATmega2560 C. ATmega32114 D. AT91SAM3x8E
Last Answer : A. ATmega328p
Description : IoT devices are ____ A. Standard B. Non-standard C. Both D. None
Last Answer : B. Non-standard
Description : Properties of IoT devices. A. Sense B. Send and receive data C. Both A and B D. None of above
Last Answer : C. Both A and B
Description : Properties of Arduino are: A. Inexpensive B. Independent C. Simple D. both A and C
Last Answer : D. both A and C
Description : Gas sensors are used to detect _____gases. A. Toxic B. Natural C. Oxygen D. Hydrogen
Last Answer : A. Toxic
Description : Image sensors are found in_______ A. Cameras B. Night-vision equipment C. Sonars D. All of above
Last Answer : D. All of above
Description : Accelerometer sensors are used in______ A. Smartphones B. Aircrafts C. Both D. None of above
Last Answer : C. Both
Description : Solenoid is a specially designed ________ A. Actuator B. Machine C. Electromagnet D. none of above
Last Answer : C. Electromagnet
Description : Linear actuators are used in________ A. Machine tools B. Industrial machinery C.both A and B D.None
Last Answer : A. Machine tools
Description : DC motors converts electrical into ___ energy. A. Mechanical B. Wind C. Electric D. None
Last Answer : A. Mechanical
Description : Stepper motors are_____ A. AC motors B. DC motors C. Electromagnets D. None of above
Last Answer : B. DC motors
Description : ________ in IoT as one of the key characteristics, devices have different hardware platforms and networks. A. Sensors B. Heterogeneity C. Security D. Connectivity
Last Answer : B. Heterogeneity
Description : The number of devices that need to be managed and that communicate with each other will be much larger. A. Intelligence B. Connectivity C. Dynamic Nature D. Enormous Scale
Last Answer : D. Enormous Scale
Description : The collection of data is achieved with ________ changes. A. Intelligence B. Connectivity C. Dynamic Nature D. Enormous Scale
Last Answer : C. Dynamic Nature