Measurement and Instrumentation Instrument transformers are Current transformers Power transformers Pottential transformers Both current and potential transformers Current transformers Power transformers Pottential transformers Both current and potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. replaced by a capacitor replaced by a source resistance open circuited short circuited replaced by a capacitor replaced by a source resistance open circuited short circuited ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads 50V 90V 111V 100V 50V 90V 111V 100V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The Metric System is also called as: MKS system SI CGS None of these MKS system SI CGS None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read + 597 W. + 795 W. - 597 W. - 795 W. + 597 W. + 795 W. - 597 W. - 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 50W 150W 100W 200W 50W 150W 100W ANSWER DOWNLOAD EXAMIANS APP