Top 150+ Solved Sensors and Transducers MCQ Questions Answer
Q. Axis of rotation of wheel in gyroscope is called ____________
a. Spin axis
b. Vertical axis
c. Horizontal axis
d. Angular axis
Q. _ _ _ _ _ _ are widely used in experimental stress analysis and diagnosis onmachines and failure analysis.
a. Load cell
b. Strain gauge
c. Magentoresistance
d. Gyroscope
Q. In AMR the maximum sensitivity and linearity is achieved when themagnetization is at _ _ _ with respect to the current.
a. 0 degree
b. 15 degree
c. 30 degree
d. 45degree
Q. When the magnetic layers are aligned in the same direction, electrons originatingin one layer may pass relatively _ _ _ _ _ through the other layers
a. Freely
b. Blocked
c. rest on
d. All the above
Q. Gimbals are used for _____________
a. Improving rotational speed
b. Supporting gyro wheel
c. As damping agent
d. None of the mentioned
Q. A _ _ _ _ _ is an instrument used for navigation and orientation that showsdirection relative to the geographic cardinal directions
a. Compass
b. Gyroscope
c. Accelerometer
d. Inclinometer
Q. ________ load cells are considered in remote locations, as they do not require apower supply.
a. Hydraulic
b. Pneumatic
c. Capacitance
d. Strain gauge
Q. Wheel speed sensors is the application of _ _ _ _ _ _ _
a. Load cell
b. Strain gauge
c. Magentoresistance
d. Gyroscope
Q. _________ Load cell are sometimes used where intrinsic safety and hygiene aredesired.
a. Hydraulic
b. Pneumatic
c. Capacitance
d. Strain gauge
Q. In Hall Effect sensor, an electric potential is in third direction which is ________to the other two directions.
a. Parallel
b. Mutually Perpendicular
c. 180 degree phase shift
d. None of the above
Q. A _ _ _ _ _ _, is a measurement device that uses gravity to measure theinclination of an object.
a. Inclinometer
b. Strain gauge
c. Magentoresistance
d. Gyroscope
Q. In AMR the resistance produced by scattering is_ _ _ _ __ when themagnetization direction is perpendicular to the current direction
a. Zero
b. Minimum
c. Maximum
d. infinite
Q. The _ _ __ in an element is a ratio of change in length in the direction of applied load to the original length of an element.
a. Stress
b. Strain
c. Poisson ratio
d. Young Modulus