Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Gross errors Environmental errors Systematic errors Random errors Gross errors Environmental errors Systematic errors Random errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negligible None of the listed here Positive Negative Negligible None of the listed here Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 1% 4% 2% 3% 1% 4% 2% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for Low current measurements Low voltage measurements High current measurements High voltage measurements Low current measurements Low voltage measurements High current measurements High voltage measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An Ohmmeter is a Moving iron instrument Moving coil instrument Dynamometer instrument None of the listed here Moving iron instrument Moving coil instrument Dynamometer instrument None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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