Quiz  /  Measurement and Instrumentation Gate & PSU MCQ Questions With...

  • 1. 
    ORIFICE PLATE is a...

  • Temperature sensor
  • Humidity sensor
  • Pressure sensor
  • Flow sensor

  • 2. 
    How instrumental error occurs?

  • by human mistake in reading
  • during the construction
  • by change in environment
  • by gross error

  • 3. 
    Sensors take analogue readings, but computers only understand...

  • Digital Values
  • Numbers
  • Processing
  • Feedback

  • 4. 
    When a measurement is repeatable and consistent it is said to have...

  • High precision
  • Low precision
  • High accuracy
  • Low accuracy

  • 5. 
    Used binary numbers (0’s and 1’s) to represent continuous values or discrete states

  • analog
  • digital
  • electronic
  • hydraulic

  • 6. 
    Which type of instruments are gives constant measured value?

  • absolute instruments
  • secondary instruments
  • both
  • none of these

  • 7. 
    The quantity of fluid that moves thru a pipe.

  • pressure
  • temperature
  • level
  • flow

  • 8. 
    A continuously variable representation of a process variable.

  • analog
  • digital
  • electronic
  • hydraulic

  • 9. 
    Repeated measurements of a quantity can reduce the effects of

  • both random errors and systematic errors
  • neither random errors nor random errors
  • random errors
  • systematic errors

  • 10. 
    A measurement result is considered ________ if it is judged to be close to the true value. It is influenced by random and systematic errors.

  • Precise
  • Accurate
  • An error
  • Resolution

  • 11. 
    From the given instrumentation loop, No. 1 refers to the __________.

  • sensor
  • transmitter
  • power source
  • loop
  • receiver

  • 12. 
    How the systematic error is eliminated?

  • by calibration
  • proper recording
  • careful reading
  • cannot be eliminated

  • 13. 
    _______________ is a standardized PNEUMATIC transmitter signal.

  • 4-20 psi
  • 3-15 psi
  • 0-10 psi
  • 1- 5 psi

  • 14. 
    From the pressure gauge shown, the black scale refers to which unit?

  • kPA
  • psi
  • Bar
  • Degrees Celcius

  • 15. 
    A primary element and transmitter cannot make a control decision based off of the information that has been measured.

  • True
  • False

  • 16. 
    ……………….of an infinite number of data is defined as the square root of the sum of the individual deviation squared divided by the number of readings.

  • standard Deviation
  • variance
  • Median

  • 17. 
    An inverse transducer is a device which converts

  • An electrical quantity into a non electrical quantity
  • Electrical quantity into mechanical quantity
  • Electrical energy into thermal energy
  • Electrical energy into light energy

  • 18. 
    5. Which of the following error is caused by a reversal of measured property?

  • Hysterisis
  • Noise
  • Digitization error
  • Quantization error

  • 19. 
    Instrumentation that records/ register process variable

  • recorder
  • indicator
  • transmitter
  • controller

  • 20. 
    Choose an example for third order transducer

  • Potentiometer
  • Spring Scale System
  • Vibration Galvanometer
  • Piezo Electric Accelerometer

  • 21. 
    From the given instrumentation loop, No. 4 refers to the __________.

  • sensor
  • transmitter
  • power source
  • loop
  • receiver

  • 22. 
    …………….are those which do not require an auxiliary power source to produce their output.

  • Active Transducer
  • Passive Transducer
  • Inverse Transducer

  • 23. 
    2. Change in output of sensor with change in input is ____________

  • Threashold
  • Slew rate
  • Sensitivity
  • None of the mentioned

  • 24. 
    The measure of kinetic energy (hotness or coldness) of a substance.

  • pressure
  • temperature
  • level
  • flow
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