Measurement and Instrumentation Electrostatic instruments are used as Ammeters only Voltmeters only Wattmeter only Both ammeter and voltmeter Ammeters only Voltmeters only Wattmeter only Both ammeter and voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 60o. perpendicular. parallel. inclined at 30o. inclined at 60o. perpendicular. parallel. inclined at 30o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Mass x velocity Force x displacement Mass x acceleration Change in velocity / time Mass x velocity Force x displacement Mass x acceleration Change in velocity / time 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 4% 1% 2% 3% 4% 1% 2% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Both current and potential transformers Power transformers Current transformers Pottential transformers Both current and potential transformers Power transformers Current transformers Pottential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the standard unit for length ? Centimeter Kilometer Inch Meter Centimeter Kilometer Inch Meter ANSWER DOWNLOAD EXAMIANS APP
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