Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Reduce the tolerance Increase the thermal stability Reduce the inductance of winding Double the power rating of the resistor Reduce the tolerance Increase the thermal stability Reduce the inductance of winding Double the power rating of the resistor ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 7 4 6 8 7 4 6 8 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.25V 0.05V 0.01V 0.01V 0.25V 0.05V 0.01V 0.01V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for AC only DC only Both DC and AC Any of the listed here AC only DC only Both DC and AC Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by Series resistance A series inductance Shunt capacitance A shunt resistance Series resistance A series inductance Shunt capacitance A shunt resistance 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. + 795 W. - 597 W. + 597 W. - 795 W. + 795 W. - 597 W. ANSWER DOWNLOAD EXAMIANS APP