Measurement and Instrumentation Induction wattmeter can measure Both AC and DC Dc power only Ac power only None of the listed here Both AC and DC Dc power only Ac power only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Supplementary units Units used to measure charge Base units Derived units Supplementary units Units used to measure charge Base units Derived units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Direct method is used to measure Pressure Length Temperature Voltage Pressure Length Temperature Voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Gross errors Environmental errors Systematic errors Random errors Gross errors Environmental errors Systematic errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The meter does not respond to DC signals The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The meter does not respond to DC signals The error is high due to hysteresis effect 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 - 795 W. + 597 W. - 597 W. + 795 W. - 795 W. + 597 W. - 597 W. + 795 W. ANSWER DOWNLOAD EXAMIANS APP
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