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 : ____detect the presence or absence of nearby object without any physical contact. A. Smoke Sensor B. Pressure Sensor C. IR Sensor D. Proximity Sensor
Last Answer : D. Proximity 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 : On an engine throttle control system, the auxiliary control circuits are provided with devices to prevent excessive overtravel of the pilot valve by the synchronous motor. These devices are called _________________. A. overlap sensors B. limit switches C. overtravel relays D. proximity switches
Last Answer : Answer: B
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 : Devices that transforms electrical signals into physical movements A. Sensors B. Actuators C. Switches D. Display
Last Answer : B. Actuators
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 : IOT devices are various types, for instance______________. A. Wearable sensors. B. Smart watches. C. LED lights. D. All of the above
Last Answer : D. All of the above
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 : DC motors converts electrical into ___ energy. A. Mechanical B. Wind C. Electric D. None
Last Answer : A. Mechanical
Description : ___ is a stateful communication model and server is aware of all open connection. A. Request-Response B. Publish-Subscriber C. Push-Pull D. Exclusive Pair
Last Answer : D. Exclusive Pair
Description : The ___ protocols define how the applications interface with the lower layer protocol to send the data over the network. A. Application layer B. Transport layer C. Network layer D. Link layer
Last Answer : A. Application layer
Description : ___ layer perform the host addressing and packet routing. A. Application layer B. Transport layer C. Network layer D. Link layer
Last Answer : C. Network layer
Description : LR-WPANs standards from basis of specifications for high level communication protocol such as ___. A. Zigbee B. Allsean C. Tyrell D. Microsoft's Azure
Last Answer : A. Zigbee
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 : ASIC stands for A. Application-System Integrated Circuits B. Application-Specific Integrated Circuits C. Application-System Internal Circuits D. Application-Specific Internal Circuits
Last Answer : B. Application-Specific Integrated Circuits
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
Last Answer : C
Description : ____ sensors are used to identify objects for pick and place purpose a.Range detectors b.Infrared sensors c.Vision sensors d.Photo-metric sensors
Last Answer : c.Vision sensors
Description : ____ sensors are used to indicate presence or absence of hot objects a.Vision sensors b.Infrared sensors c.Photo-metric sensors d.Range detectors
Last Answer : b.Infrared sensors
Description : ____ sensors are used to identify objects for pick and place purpose. (A) Range detectors (B) Infrared sensors (C) Vision sensors (D) Photo-metric sensors
Description : Which sensors are used to indicate presence or absence of hot objects. (A) Vision sensors (B) Infrared sensors (C) Photo-metric sensors (D) Range detectors
Last Answer : B
Description : Integrated Circuits (ICs) are related to which generation of computers? A) First generation B) Second generation C) Third generation D) Fourth generation
Last Answer : Answer : C
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 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 : 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
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 : 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 : Germanium diodes are used in AM detectors because ___
Last Answer : they minimize distortion from nonlinearit
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 : if one oxygen sensor on my car is defective and car has 80000 miles should all sensors be replaced
Last Answer : Need Answer
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 : Draw and explain the operation of pressure transducer having diaphragm as a primary sensor and four strain gauges as secondary sensors.
Last Answer : Pressure measurement with strain gauges on diaphragm: Description: This method uses the principle of converting pressure into a displacement by elastic elements which act as primary ... unbalance in the bridge circuit, producing an output voltage proportional to the applied pressure.
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