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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on Mechatronics Set 6

Q1 | Galvanometer used should be calibrated first.
  • true
  • false
Q2 | Which of the following cannot be measured using potentiometer?
  • dc voltage
  • temperature
  • resistance
  • none of the mentioned
Q3 | Which of the following is not possible?
  • constant current potentiometer
  • constant resistance potentiometer
  • thermocouple potentiometer
  • none of the mentioned
Q4 | Galvanometer is used for
  • calibration of potentiometer
  • indication of null position
  • providing stability
  • all of the mentioned
Q5 | Power consumption of unknown source connected will be                            
  • very high
  • very low
  • zero ideally
  • always constant
Q6 | A potentiometer cannot be used for calibration of ammeter.
  • true
  • false
Q7 | Which of the following devices cannot be used potentiometer as calibrating device?
  • watt meter
  • energy meter
  • voltmeter
  • all of the mentioned
Q8 | At null position, galvanometer reading will be                                
  • maximum
  • zero
  • unchanged for further reading
  • none
Q9 | Which of the following is not a characteristic of an ideal transducer?
  • high dynamic range
  • low linearity
  • high repeatability
  • low noise
Q10 | A transducer converting ground movement or velocity to voltage is known as
  • geophone
  • pickup
  • hydrophone
  • sonar transponder
Q11 | Which of the following represent active transducer?
  • strain gauge
  • thermistor
  • lvdt
  • thermocouple
Q12 | What is the relation between scale factor and sensitivity of a transducer?
  • scale factor is double of sensitivity
  • scale factor is inverse of sensitivity
  • sensitivity is inverse of scale factor
  • sensitivity is equal to scale factor
Q13 | Which of the following is an analog transducer?
  • encoders
  • strain gauge
  • digital tachometers
  • limit switches
Q14 | What is the principle of operation of LVDT?
  • mutual inductance
  • self-inductance
  • permanence
  • reluctance
Q15 | Capacitive transducer is used for?
  • static measurement
  • dynamic measurement
  • transient measurement
  • both static and dynamic
Q16 | Which of the following is used in photo conductive cell?
  • selenium
  • quartz
  • rochelle salt
  • lithium sulphate
Q17 | Which of the following can be measured using Piezo-electric transducer?
  • c = a∈⁄d
  • c = ∈⁄d
  • c = a⁄d
  • c = a
Q18 | A capacitive transducer works on the principle of                  
  • inductance
  • capacitance
  • resistance
  • reluctance
Q19 | Capacitance can be varied in                  
  • 10 ways
  • 6 ways
  • 2 ways
  • 4 ways
Q20 | Capacitive pressure transducer uses distance of separation for sensing the capacitance.
  • true
  • false
Q21 | Capacitive transducer displays                  
  • linear behaviour
  • non-linear behaviour
  • exponential behaviour
  • tangential behaviour
Q22 | Frequency response of capacitive transducers is                  
  • high
  • medium
  • low
  • zero
Q23 | What is the relation between capacitance and output impedance?
  • proportional to square
  • constant
  • directly proportional
  • inversely proportional
Q24 | What is the relation between capacitance and input impedance?
  • directly proportional
  • constant
  • proportional to square
  • inversely proportional
Q25 | Composite capacitance consists of
  • one dielectric medium
  • more than one dielectric medium
  • five dielectric media
  • ten dielectric media