Top 50+ Solved Optical, Pressure and Temperature Sensors MCQ Questions Answer
Q. Laser is used in LIDAR for what purpose?
a. High-Speed Photography
b. Range finder
c. Optical Carrier signal
d. Drilling
Q. A ________ is thermally sensitive resistor that exhibits a large change inresistance.
a. Thermistor
b. Resistance Thermometer
c. Thermo couple
d. Semiconductor based sensor
Q. ________ measures temperature by correlating the resistance of the RTD withtemperature.
a. Thermistor
b. Resistance Thermometer
c. Thermo couple
d. Semiconductor based sensor
Q. ________ consists of two different metals connected at two points.
a. Thermistor
b. Resistance Thermometer
c. Thermocouple
d. Semiconductor based sensor
Q. Which type of temperature sensor is placed in Integrated Circuits?
a. Thermistor
b. Resistance Thermometer
c. Thermocouple
d. Semiconductor based sensor
Q. Which sensor is linear and low accuracy?
a. Thermistor
b. Resistance Thermometer
c. Thermocouple
d. Semiconductor based sensor
Q. Piezoelectric transducer is used for measuring __________
a. non-electrical quantities
b. electrical quantities
c. chemical quantities
d. any quantity
Q. Piezoelectricity means _________________
a. Electric polarization
b. Electric dielectric
c. Pressure electricity
d. Polar dielectric
Q. What is the full form of LASER?
a. Light Absorbent and Stimulated Emission of Radiations
b. Light Absorbing Solar Energy Resource
c. Light Amplification by Stimulated Emission of Radiations
d. Light Amplification of Singular Emission of Radiations
Q. In Stimulated Absorption, what is the lifetime of atoms ground state?
a. 1 second
b. 1 minute
c. 1 hour
d. Infinity
Q. Which characteristic of LASER allows it to be used in holography?
a. Coherency
b. Directionality
c. Intensity
d. Monochromaticity
Q. Which of the following can be used for the generation of laser pulse?
a. Ruby laser
b. Carbon dioxide laser
c. Helium neon laser
d. Nd- YAG laser
Q. Point out the wrong statement.
a. MEMS stands for microelectromechanical systems
b. MEMS as a class can be between 1000 and 100000 micrometers in size
c. Several MEMS are packaged in smartphones
d. All of the mentioned
Q. Which of the following is not a configuration of a smart sensor?
a. Transducer
b. Network interface
c. Processor
d. None of the mentioned
Q. Input signal to smart sensor is fed from _____________
a. Power supply
b. Transducer
c. Volt meter
d. All of the mentioned