Types of Transducers MCQ

Test your knowledge with important Types of Transducers MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Types of Transducers MCQs at Bissoy

• Which of the following is used in photo conductive cell?
  ক

  Selenium

  খ

  Quartz

  গ

  Rochelle salt

  ঘ

  Lithium sulphate
• Capacitive transducer is used for?
  ক

  Static measurement

  খ

  Dynamic measurement

  গ

  Transient measurement

  ঘ

  Both static and dynamic
• Which of the following can be measured using Piezo-electric transducer?
  ক

  Velocity

  খ

  Displacement

  গ

  Force

  ঘ

  Sound
• What is the principle of operation of LVDT?
  ক

  Mutual inductance

  খ

  Self-inductance

  গ

  Permanence

  ঘ

  Reluctance
• Which of the following is an analog transducer?
  ক

  Encoders

  খ

  Strain gauge

  গ

  Digital tachometers

  ঘ

  Limit switches
• What is the relation between scale factor and sensitivity of a transducer?
  ক

  Scale factor is double of sensitivity

  খ

  Scale factor is inverse of sensitivity

  গ

  Sensitivity is inverse of scale factor

  ঘ

  Sensitivity is equal to scale factor
• Which transducer is known as ‘self-generating transducer’?
  ক

  Active transducer

  খ

  Passive transducer

  গ

  Secondary transducer

  ঘ

  Analog transducer
• Which of the following represent active transducer?
  ক

  Strain gauge

  খ

  Thermistor

  গ

  LVDT

  ঘ

  Thermocouple
• A transducer converting ground movement or velocity to voltage is known as ________________
  ক

  Geophone

  খ

  Pickup

  গ

  Hydrophone

  ঘ

  Sonar transponder
• Which of the following is not a characteristic of an ideal transducer?
  ক

  High dynamic range

  খ

  Low linearity

  গ

  High repeatability

  ঘ

  Low noise
• In which state of chemical substances does a chemical sensing device work?
  ক

  Solid

  খ

  Liquid

  গ

  Vapour

  ঘ

  Plasma
• What is measured by a hall effect transducer?
  ক

  Electric flux

  খ

  Electric Field

  গ

  Magnetic field

  ঘ

  Temperature
• What is the effect on properties of LDR when light falls on it?
  ক

  Its resistance remains same

  খ

  Its resistance changes

  গ

  Its capacitance changes

  ঘ

  Its inductance changes
• What is the full form of LVDT with respect to displacement transducer?
  ক

  Linear variable differential temperature

  খ

  Linear variable differential transformer

  গ

  Liquid visible differential transformer

  ঘ

  Liquified visible differential transformer
• What is the range of frequency of the waves produced by the Ultrasonic transducer?
  ক

  20 Kilohertz to several Gigahertz

  খ

  1 Kilohertz to several Gigahertz

  গ

  40 Kilohertz to several Megahertz

  ঘ

  less than 20 Kilohertz
• The IC LM35 is used as which type of sensor?
  ক

  Pressure sensor

  খ

  Temperature sensor

  গ

  Light sensor

  ঘ

  Mechanical sensor
• Pirani Gauge is an example of which type of transducer?
  ক

  Pressure transducer

  খ

  Temperature transducer

  গ

  Light transducer

  ঘ

  Mechanical transducer
• What type of energy conversion does a piezoelectric transducer perform?
  ক

  It converts mechanical energy to sound energy

  খ

  It converts sound energy to mechanical energy

  গ

  It converts mechanical energy to electrical energy

  ঘ

  It converts electrical energy to mechanical energy
• Active transducer do not require any type of additional power source for an operation.
  ক

  True

  খ

  False
• What are transducers?
  ক

  They convert power from one form to another

  খ

  They convert work from one form to another

  গ

  They convert work to power

  ঘ

  They convert energy from one form to another