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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