Measurement and Instrumentation PMMC Instrument can be used for AC work only Both AC and DC DC work only None of the listed here AC work only Both AC and DC DC work only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An Ohmmeter is a None of the listed here Moving coil instrument Moving iron instrument Dynamometer instrument None of the listed here Moving coil instrument Moving iron instrument Dynamometer instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is Standard ohm One ohm according to SI units One ohm according to working standards One international ohm Standard ohm One ohm according to SI units One ohm according to working standards One international ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Supply voltage is low Load impedance is high None of these Load impedance is low Supply voltage is low Load impedance is high None of these Load impedance is low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Period and frequency measurement modes respectively. Period measurment modes only. Frequency and period measurment modes, respectively. Frequency measurment modes only. Period and frequency measurement modes respectively. Period measurment modes only. Frequency and period measurment modes, respectively. Frequency measurment modes only. ANSWER DOWNLOAD EXAMIANS APP
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