Measurement And Instrumentation - Study Mode
[#91] Electrical voltage-based telemetering schemes used for short distances must necessarily have
Correct Answer
(D) All of the above
[#92] With . . . . . . . . testing is possible to see even smallest distortions clearly on CRO.
Correct Answer
(C) square wave
[#93] A voltmeter having symmetrical square wave shape is applied to an average reading voltmeter with scale calibrated in terms of RMS value of a sinusoidal wave has an error of:
Correct Answer
(D) 11%
[#94] In a Q meter, an inductor turns to 2 MHz with 450 pF and to 4 MHz with 90 pF. The value of self-distributed capacitance is:
Correct Answer
(B) 30 pF
[#95] In an LVDT, there are two secondary coils which are connected for a signal output. Which one of the following is correct?
Correct Answer
(A) The coils are in series and in phase opposition