WorksheetsQuiz 1 (Introduction to Mechatronics )
Total questions: 20
Worksheet time: 10mins
_____________ _ _ _ _ _ _ _ is the difference between the result of measurement and the actual value of the quantity being measured.
Range
Span
Error
Sensitivity
_____________ is the extent to which the value indicated by a measurement system might be wrong.
Range
Span
Error
Accuracy
______________ is the relationship indicating how much output there is per unit input.
Sensitivity
Accuracy
Error
Range
Transducers can give different outputs from the same value of a quantity being measured according to whether that value has been reached by a continuously increasing or decreasing change. This effect is called ________________.
Sensitivity
Hysteresis
Non-linearity
Repeatability
For many transducers, a ____________ relationship between the input and output is assumed over the working range.
Linear
Non-linear
Quadratic
Cubic
_____________ is the ability to give the same output for repeated applications of the same input value.
Hysteresis
Linearity
Repeatability
Stability
The __________________ of a transducer is its ability to give the same output when used to measure a constant input over some time.
Hysteresis
Linearity
Repeatability
Stability
For a transducer, the range of input values for which there is no output is known as ______________.
Span
Hysteresis error
Non-linearity error
Dead band
For a transducer, the smallest change in the input value that will produce an observable change in the output is known as _______________.
Hysteresis
Repeatability
Resolution
Stability
When a sensor giving _____________ output is interfaced with an electronics circuit, it is necessary to know the output impedance of the transducer or sensor.
A mechanical
An electrical
A chemical
A heat
_________ _ _ _ _ _ _ is the time that elapses after a constant input is applied to the transducer up to the point at which the transducer gives an output corresponding to some specified percentage.
Response time
Time constant
Settling time
Rise time
For a transducer, the time constant is the _________ % of response time.
5
63.2
95
100
___________ _ _ _ _ _ _ _ is the time taken for the output to rise to some specified percentage of the steady-state output.
Response time
Time constant
Rise time
Settling time
____________ sensors are concerned with the measurement of the amount by which some object has been moved.
Displacement
Position
Proximity
Acceleration
_____________ is a metal wire, metal foil strip, or a strip of semiconductor material that is wafer-like and can be stuck onto surfaces like a postage stamp.
Potentiometer
Strain-gauge
Accelerometer
Optical Encoder
For a strain-gauge element, the last term of the following equation is known as:
Piezo-electric effect
Piezo-resistive effect
Piezo-capacitive effect
Piezo-inductive effect
Which of the following techniques could be used to measure displacement by one parallel plate capacitor?
By changing the gap between the two plates.
By changing the area of overlap of the plates.
By changing the relative permittivity of the gap between the two plates.
All of the above techniques.
The linearly variable differential transformer consists of _________ coils symmetrically spaced along an insulated tube.
One
Two
Three
Four
In an LVDT, the secondary coils are connected in ___________ in such a way that their outputs oppose each other.
Series
Parallel
Both series and Parallel
Not connected
The eddy current ________ the magnetic field responsible for their production.
Amplifies
Attenuates
Distorts
Compares
