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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on Mechatronics Set 8

Q1 | Which of the following represents correct expression for Lorentz force?
  • bev
  • bv
  • ev
  • b
Q2 | Which of the following represents the output of Hall Effect transducer?
  • hall potential
  • emf
  • applied voltage
  • lorentz voltage
Q3 | Hall Effect transducers attain equilibrium instantaneously.
  • true
  • false
Q4 | Hall Effect transducer can be used to measure                        
  • magnetic field
  • angular displacement
  • linear displacement
  • all of the mentioned
Q5 | What is ESP8266?
  • wifi module
  • sensor
  • board
  • usb cable
Q6 | which sensor is LM35?
  • pressure sensor
  • humidity sensor
  • temperature sensor
  • touch sensor
Q7 | How many pins does temperature sensor have?
  • 5 legs
  • 2 legs
  • 4 legs
  • 3 legs
Q8 | Monnit temperature sensor is used for what?
  • accurate results
  • to measure the temperature at high degree
  • temperature sensor
  • pressure sensor
Q9 | Which of the following is the Wireless battery-free sensor?
  • lm35
  • rfm3200
  • esp8266
  • dht11
Q10 | Which sensor is used for monitor electric distribution and switching equipment temperature?
  • lm35
  • esp8266
  • dht11
  • rfm3200
Q11 | Electric motor protection has which sensor?
  • pressure sensor
  • touch sensor
  • temperature sensor
  • humidity sensor
Q12 | What is DS18B20?
  • pressure sensor
  • touch sensor
  • humidity sensor
  • temperature sensor
Q13 | What is STSC1?
  • pressure sensor
  • temperature sensor
  • touch sensor
  • humidity sensor
Q14 | Line of sight of wireless sensor tag is
  • 750ft
  • 700ft
  • 500ft
  • 550ft
Q15 | A                  is thermally sensitive resistor that exhibits a large change in resistance.
  • thermistor
  • resistance thermometer
  • thermo couple
  • semiconductor based sensor
Q16 |                  measures temperature by correlating the resistance of the RTD with temperature.
  • thermistor
  • resistance thermometer
  • thermo couple
  • semiconductor based sensor
Q17 |                  consists of two different metals connected at two points.
  • thermistor
  • resistance thermometer
  • thermocouple
  • semiconductor based sensor
Q18 | Which type of temperature sensor is placed in Integrated Circuits?
  • thermistor
  • resistance thermometer
  • thermocouple
  • semiconductor based sensor
Q19 | Which sensor is linear and low accuracy?
  • thermistor
  • resistance thermometer
  • thermocouple
  • semiconductor based sensor
Q20 | Optical fiber sensors are electrically
  • active
  • passive
  • active as well as passive
  • cannot be determined
Q21 | Optical fibers are not immune to                  
  • electronic disturbances
  • magnetic disturbances
  • ambient light interference
  • electromagnetic disturbances
Q22 | Optical fiber sensors are not immune to electromagnetic disturbances.
  • true
  • false
Q23 | In which of the following optic fiber sensor the fiber is simply used to carry light to and from an external optical device where the sensing takes place?
  • extrinsic fiber optic sensor
  • energized fiber optic sensor
  • all fibers are used to simply carry light to and from the external optical devices
  • intrinsic fiber optic sensor
Q24 | On the bases of application of optic fiber sensor, which of the following is not considered to be the classification of fiber optic sensor?
  • biomedical/photometric sensors
  • physical sensors
  • thermal sensors
  • chemical sensors
Q25 | The type of sensor that detects the analyte species directly through their characteristic spectral properties is called                            
  • chemical sensor
  • thermal sensor
  • light sensor
  • spectroscopic sensors