Measurement and Instrumentation Instrument transformers are Current transformers Pottential transformers Power transformers Both current and potential transformers Current transformers Pottential transformers Power transformers Both current and potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1.5% ± 2.5% ±3.5% ± 1% ± 1.5% ± 2.5% ±3.5% ± 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An instrument to be used for measurement and control should preferably have Linear output and fast response Dead zone and dead time Non-linear output A highly damped response Linear output and fast response Dead zone and dead time Non-linear output A highly damped response 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 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 Power proportional to 3 phase power if the load is balanced Active power of Y phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure Both AC and DC Ac power only Dc power only None of the listed here Both AC and DC Ac power only Dc power only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are instrumental error. gross error. observational error. systematic error. instrumental error. gross error. observational error. systematic error. ANSWER DOWNLOAD EXAMIANS APP
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