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Mechanical Engineering Objective Questions { Instrumentation and Control }



1. A device for determining the value or magnitude of a quantity or variable :
A.Sensor
B.Transducer
C.Gauge
D.Instrument

2. Determining moisture in steam by measuring the temperature in a throttling calorimeter is an example of :
A.Direct measurement
B.Indirect measurement
C.Measurement by comparison
D.Measurement by calibration

3. The closeness with which the reading of an instrument approaches the true value of thevariable being measured is called :
A.Accuracy
B.Precision
C.Sensitivity
D.Resolution

4. Errors due to assignable causes are called
A.Static errors
B.Systematic errors
C.Calibration errors
D.Random errors

5. Pick up the appropriate word for a pointer moving over a scale :
A.Instrument
B.Indicator
C.Transducer
D.Gauge

6. Pick up the appropriate word for a reading obtained from the motion of a pointer on a scale :
A.Analog
B.Digital
C.Display
D.Indicator (e) instrument.

7. Pick up the appropriate word for the reading displayed as a number, a series of holes on a punched card, or a sequence of pulses on magnetic tape :
A.Pulse train
B.Digital
C.Analog
D.Numeral

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