Exam 6: Sensors and Optics

Which of the following is not correct for fibre optic sensors?

LDR's are also called _______________

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?

________ consists of two different metals connected at two points.

Which of the following can be used for the generation of laser pulse?

Which sensor is linear and low accuracy?

Output of smart sensors will of ________________

Which of the following defines smartness of sensor?

Input signal to smart sensor is fed from _____________

Signal conditioning is carried out in ______________

________ measures temperature by correlating the resistance of the RTD with temperature.

Which type of temperature sensor is placed in Integrated Circuits?

Which characteristic of LASER allows it to be used in holography?

Optical fiber sensors are electrically ____________

Piezoelectric transducer is used for measuring __________

Piezoelectricity means _________________

In Stimulated Absorption, what is the lifetime of atoms ground state?

Epoxy material in fibre optics is intended for ________________

Input data of smart sensor will be _____________

Point out the wrong statement.