Instrumentation And Control(Engineering > Mechanical Engineering ) Questions and Answers
Question 1. A device for determining the value or magnitude of a quantity or variable :
Sensor
Transducer
Gauge
Instrument
Explanation:-
Answer: Option D. -> Instrument
Question 2. Errors due to assignable causes are called
Static errors
Systematic errors
Calibration errors
Random errors
Explanation:-
Answer: Option B. -> Systematic errors
Question 3. Determining moisture in steam by measuring the temperature in a throttling calorimeter is an example of :
Direct measurement
Indirect measurement
Measurement by comparison
Measurement by calibration
Explanation:-
Answer: Option B. -> Indirect measurement
Question 4. The closeness with which the reading of an instrument approaches the true value of thevariable being measured is called :
Accuracy
Precision
Sensitivity
Resolution
Explanation:-
Answer: Option A. -> Accuracy
Question 5. Pick up the appropriate word for a pointer moving over a scale :
Instrument
Indicator
Transducer
Gauge
Explanation:-
Answer: Option B. -> Indicator
Question 6. 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 :
Pulse train
Digital
Analog
Numeral
Explanation:-
Answer: Option B. -> Digital
Question 7. Pick up the appropriate word for a reading obtained from the motion of a pointer on a scale :
Analog
Digital
Display
Indicator (e) instrument.
Explanation:-
Answer: Option A. -> Analog
Question 8. The condition of how much successive readings differ from one another for a fixed value of the variable is called :
Accuracy
Precision.
Sensitivity
Resolution
Explanation:-
Answer: Option B. -> Precision.
Question 9. For studying detailed variations with time, one uses :
Indicator
Digital indicator
Recorder
Integrator
Explanation:-
Answer: Option C. -> Recorder
Question 10. . It responds directly to the measured quantity, producing a related motion or signal :