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Mechanical Engineering Objective Questions { Instrumentation and Control }



8. For studying detailed variations with time, one uses :
A.Indicator
B.Digital indicator
C.Recorder
D.Integrator

9. The condition of how much successive readings differ from one another for a fixed value of the variable is called :
A.Accuracy
B.Precision.
C.Sensitivity
D.Resolution

10. The ratio of output signal or response of the instrument to a change in input or measured variable is called :
A.Sensitivity
B.Precision
C.Resolution
D.Threshold

11. The smallest change in measured value to which the instrument will respond is called
A.Accuracy
B.Precision
C.Amplification
D.Resolution

12. It responds directly to the measured quantity, producing a related motion or signal :
A.Sensing element
B.Transducer
C.Transmitter
D.Indicator

13. Which of the following is used to count the number of brass items passing on a conveyor line, when no contact is permitted with the object :
A.Event counter
B.Mechanical counter
C.Magnetic pick up
D.Photoelectric cell

14. Which of the following does not pertain to timing device
A.Charging of a condenser
B.Piezoelectric crystal.
C.Release of air through a nozzle
D.Flow of sand through an opening

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