πŸ“Š Mechatronics
Q. Line of sight of wireless sensor tag is
  • (A) 750ft
  • (B) 700ft
  • (C) 500ft
  • (D) 550ft
πŸ’¬ Discuss
βœ… Correct Answer: (B) 700ft
πŸ“Š Mechatronics
Q. A is thermally sensitive resistor that exhibits a large change in resistance.
  • (A) thermistor
  • (B) resistance thermometer
  • (C) thermo couple
  • (D) semiconductor based sensor
πŸ’¬ Discuss
βœ… Correct Answer: (A) thermistor
πŸ“Š Mechatronics
Q. measures temperature by correlating the resistance of the RTD with temperature.
  • (A) thermistor
  • (B) resistance thermometer
  • (C) thermo couple
  • (D) semiconductor based sensor
πŸ’¬ Discuss
βœ… Correct Answer: (B) resistance thermometer
πŸ“Š Mechatronics
Q. consists of two different metals connected at two points.
  • (A) thermistor
  • (B) resistance thermometer
  • (C) thermocouple
  • (D) semiconductor based sensor
πŸ’¬ Discuss
βœ… Correct Answer: (C) thermocouple
πŸ“Š Mechatronics
Q. Which type of temperature sensor is placed in Integrated Circuits?
  • (A) thermistor
  • (B) resistance thermometer
  • (C) thermocouple
  • (D) semiconductor based sensor
πŸ’¬ Discuss
βœ… Correct Answer: (D) semiconductor based sensor
πŸ“Š Mechatronics
Q. Which sensor is linear and low accuracy?
  • (A) thermistor
  • (B) resistance thermometer
  • (C) thermocouple
  • (D) semiconductor based sensor
πŸ’¬ Discuss
βœ… Correct Answer: (D) semiconductor based sensor
πŸ“Š Mechatronics
Q. Optical fiber sensors are electrically
  • (A) active
  • (B) passive
  • (C) active as well as passive
  • (D) cannot be determined
πŸ’¬ Discuss
βœ… Correct Answer: (B) passive
πŸ“Š Mechatronics
Q. Optical fibers are not immune to
  • (A) electronic disturbances
  • (B) magnetic disturbances
  • (C) ambient light interference
  • (D) electromagnetic disturbances
πŸ’¬ Discuss
βœ… Correct Answer: (C) ambient light interference
πŸ“Š Mechatronics
Q. Optical fiber sensors are not immune to electromagnetic disturbances.
  • (A) true
  • (B) false
  • (C) ---
  • (D) ---
πŸ’¬ Discuss
βœ… Correct Answer: (B) false
πŸ“Š Mechatronics
Q. 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?
  • (A) extrinsic fiber optic sensor
  • (B) energized fiber optic sensor
  • (C) all fibers are used to simply carry light to and from the external optical devices
  • (D) intrinsic fiber optic sensor
πŸ’¬ Discuss
βœ… Correct Answer: (A) extrinsic fiber optic sensor

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