Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 3.33 N 0.3 N 6.66 N 0.15 N 3.33 N 0.3 N 6.66 N 0.15 N ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should be used for low frequency. Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. Has a low natural frequency. Should be used for low frequency. Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. Has a low natural frequency. 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 Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Active power in R phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Permanent magnet dc generator Battery Any of the listed here Ac generator Permanent magnet dc generator Battery Any of the listed here Ac generator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 600∠-150° ohm. 400∠-90° ohm. 150∠30° ohm. 300∠90° ohm. 600∠-150° ohm. 400∠-90° ohm. 150∠30° ohm. 300∠90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in VAR kW Wh kWh VAR kW Wh kWh ANSWER DOWNLOAD EXAMIANS APP
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