Measurement and Instrumentation Which of following are needed both for protection and metering? Wattmeters. Instrument transformer. Energy meter. Power factor meters. Wattmeters. Instrument transformer. Energy meter. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to 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. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20√3. 20. 10. 10√3. 20√3. 20. 10. 10√3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display Both AC and DC signals DC signals Time invariant signals AC signals Both AC and DC signals DC signals Time invariant signals AC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 4 kWh 1 kWh 3 kWh 2 kWh 4 kWh 1 kWh 3 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
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 ? 6.66 N 3.33 N 0.3 N 0.15 N 6.66 N 3.33 N 0.3 N 0.15 N ANSWER DOWNLOAD EXAMIANS APP
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