Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to None of the listed here By pass the current Increase the sensitivity of the ammeter Increase the resistance of ammeter None of the listed here By pass the current Increase the sensitivity of the ammeter Increase the resistance of ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 0.9µF 2.4µF 3.9µF 1.5µF 0.9µF 2.4µF 3.9µF 1.5µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 6 V 100 V 12 V 40 V 6 V 100 V 12 V 40 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Potential transformers All of the listed here Current transformers Shunt Potential transformers All of the listed here Current transformers Shunt ANSWER DOWNLOAD EXAMIANS APP
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