# 250+ TOP MCQs on Measurement of Pressure and Answers

IC Engines Multiple Choice Questions on “Measurement of Pressure”.

1. _____________ is the impedance presented to the excitation source, measured across the excitation terminals of a measuring device.
a) Input impedance
b) Output impedance
c) Measurand
d) None of the mentioned
Clarification: Input impedance is the impedance presented to the excitation source, measured across the excitation terminals of a measuring device while output impedance is the impedance across the output terminals of a measuring device presented by it to the associated external circuitry.

2. _____________ is the impedance across the output terminals of a measuring device presented by it to the associated external circuitry.
a) Input impedance
b) Output impedance
c) Measurand
d) None of the mentioned
Clarification: Output impedance is the impedance across the output terminals of a measuring device presented by it to the associated external circuitry while input impedance is the impedance presented to the excitation source, measured across the excitation terminals of a measuring device.

3. _____________ is the physical quantity, property, or condition that is to be measured.
a) Input impedance
b) Output impedance
c) Measurand
d) None of the mentioned
Clarification: Measurand is the physical quantity, property, or condition that is to be measured and output impedance is the impedance across the output terminals of a measuring device presented by it to the associated external circuitry while input impedance is the impedance presented to the excitation source, measured across the excitation terminals of a measuring device.

4. The maximum magnitude of measurand that can be applied to a measuring device without causing a change in performance beyond specified tolerance is called?
b) zero drift
c) warm up period
d) none of the mentioned
Clarification: The maximum magnitude of measurand that can be applied to a measuring device without causing a change in performance beyond specified tolerance is called overload while a change in output over a specified period of time at specified ambient conditions with input held constant is called zero drift.

5. A change in output over a specified period of time at specified ambient conditions with input held constant is called?
b) zero drift
c) warm up period
d) none of the mentioned
Clarification: A change in output over a specified period of time at specified ambient conditions with input held constant is called zero drift and warm up period is the period of time, starting with the application of power to the measuring device, required to assure that it will perform within specified tolerance.

6. _____________ is the period of time, starting with the application of power to the measuring device, required to assure that it will perform within specified tolerance.
b) Zerodrift
c) Warm up period
d) None of the mentioned
Clarification: Warm up period is the period of time, starting with the application of power to the measuring device, required to assure that it will perform within specified tolerance and The maximum magnitude of a measurand that can be applied to a measuring device without causing a change in performance beyond specified tolerance is called overload while a change in output over a specified period of time at specified ambient conditions with input held constant is called zero drift.

7. _____________ is a device which provides a usable output in response to a specified measurand.
a) Zero drift
b) Transducer
c) Linearity
d) None of the mentioned
Clarification: Transducer is a device which provides a usable output in response to a specified measurand while linearity is the maximum deviation of any calibration point, obtained for either increasing or decreasing input, obtained for either increasing or decreasing input, from the best fit straight line having overall minimum deviation and change in output over a specified period of time at specified ambient conditions with input held constant is called zerodrift.

8. ______________ is the smallest change in the measurand that produces a detectable change in the transducer output.
a) Zero drift
b) Threshold
c) Linearity
d) None of the mentioned
Clarification: Threshold is the smallest change in the measurand that produces a detectable change in the transducer output while linearity is the maximum deviation of any calibration point, obtained for either increasing or decreasing input, obtained for either increasing or decreasing input, from the best fit straight line having overall minimum deviation and change in output over a specified period of time at specified ambient conditions with input held constant is called zerodrift.

9. The time required for the output of a transducer to rise to 63.2% of its final value as a result of a step change in the measurand is called?
a) zero drift
b) threshold
c) time constant
d) none of the mentioned