List of top Instrumentation Engineering Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

The representation of octal number \((532.2){_8}\) in decimal is ____ .

Given the signal, 
\(X(t) = cos t\), if \(t<0 \)
\(Sin\ t\), if \(t\ge0 \)
The correct statement among the following is?

A linear system at rest is subject to an input signal \(r(t) = 1 - e^{-t}\). The response of the system for t>0 is given by \(c(t) = 1 - e^{-2t}\). The transfer function of the system is:

In the given circuit below, voltage \(V_C(t)\) is:

Phase difference between two voltages at frequencies above 10Hz can be measured using ___ .
Which of the following represents the correct relationship between frequency and angular frequency?
Capacitance can be measured using
The phase displacement of the rotor emf in Drysdale potentiometer being equal to
The type of noise that would interfere much with the high frequency transmission is
Wagner's earth devices are used in a.c. bridge circuits for
A PMMC instrument can be used as ammeter and as voltmeter with the help of
A 4-range milliammeter having ranges of 0-10mA, 0-50 mA, 0-100 mA, 0-500 mA. It is used for measurement of current whose magnitude is not known. In order to prevent damage to the instrument, the selector switch of the ammeter should be first placed at
In a PCM system, if the code word length is increased from 6 to 8 bits, the signal to quantization noise ratio improves by the factor
What gets shifted in the signals involved in Frequency Shift Keying?
In which of the following digital modulation carrier wave switches between 0 and 1 based on applied input?
How is the continuous time impulse function defined in terms of the step function?
How is the discrete time impulse function defined in terms of the step function?
What will happen in that condition, if an interrupt occurs while the microcontroller is serving any other interrupt?
Choosing a discrete value that is near but not exactly at the analog signal level leads to
Why is AM used for broadcasting in the communication systems?
One TDM frame consists of one time slot per ____ ?
The amount of frequency deviation in FM signal depends on
In PCM the samples are dependent on ____ .
Which of the following file extension that is loaded in a microcontroller for executing any instruction?
How many equal intervals are present in a 14-bit D-A converter?