Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A power factor meter has One current circuit and two pressure circuits One current circuit and one pressure circuit None of the listed here Two current circuit and one pressure circuit One current circuit and two pressure circuits One current circuit and one pressure circuit None of the listed here Two current circuit and one pressure circuit ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Potentiometer Moving- iron meter Moving-coil meter Digital Volt meter Potentiometer Moving- iron meter Moving-coil meter Digital Volt meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have All of these high inertia. large time constant. higher response time. All of these high inertia. large time constant. higher response time. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The rectifier instrument is not free from Temperature error Frequency error All of the listed here Wave shape error Temperature error Frequency error All of the listed here Wave shape error ANSWER DOWNLOAD EXAMIANS APP
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