Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to change the quantity under measurement to an analogues signal. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. change the quantity under measurement to an analogues signal. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase Active power in R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure None of the listed here Ac power only Dc power only Both AC and DC None of the listed here Ac power only Dc power only Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 12.6 V. 10.6 V. 15 V. 11.1 V. 12.6 V. 10.6 V. 15 V. 11.1 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? change of velocity / time mass × acceleration mass × velocity force × displacement change of velocity / time mass × acceleration mass × velocity force × displacement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 2 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 1 and 3 are correct 2 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 1 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
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