List of top Instrumentation Engineering Questions

If the transmittance of a sample is \(10\%\), the absorbance is
Feed-forward control improves system performance by
Defuzzification in fuzzy control refers to
Beer--Lambert law states that absorbance is proportional to
A PI controller is preferred when
In a mass spectrometer, ions are separated based on their
In a hydraulic system, power is transmitted using
Compared to hydraulic systems, pneumatic systems have
The transfer function of a zero-order hold system is
In a mechanical translational system, mass corresponds to which electrical element in force-voltage analogy?
Which of the following is not a valid state-space representation?
The corner frequencies of a system having transfer function \[ G(s)=\frac{100(1+0.2s)}{1+0.5s} \] are
Frequency is most accurately measured using
For a standard second-order system, the \(\xi\) value for underdamped response is
If the Nyquist plot encircles the point \((-1,0)\) twice in the clockwise direction and the open-loop system has one RHP pole, then the number of closed-loop RHP poles is
Time delay in control systems is usually represented as
The limiting error of an instrument is usually specified as
Phase difference between two signals is commonly measured using
For an FM signal with peak frequency deviation of \(50\,\text{kHz}\) and modulating frequency of \(10\,\text{kHz}\), the modulation index is
If a voltmeter has a full-scale deflection of \(100\,\text{V}\) and the smallest division is \(0.5\,\text{V}\), its resolution is
Sensitivity of an instrument is defined as
In TDM
The ROC of the Laplace transform of a causal signal lies
A carrier of frequency \(1\,\text{MHz}\) is amplitude modulated by a \(5\,\text{kHz}\) signal. The bandwidth of the AM signal is
The Laplace transform of \(e^{-at}u(t)\) is