Measurement and Instrumentation The error of an instrument is normally given as a percentage of Full-scale value Rms value Measured value Mean value Full-scale value Rms value Measured value Mean value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is high. very high. small. ideally zero. high. very high. small. ideally zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple and least time consuming. most simple. least time consuming. most accurate. most simple and least time consuming. most simple. least time consuming. most accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.5 V. 1.34 V. 1 V. 1.7 V. 1.5 V. 1.34 V. 1 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
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. 240 Ohm. 0.0024 Ohm. 120 Ohm. 0.0012 Ohm. 240 Ohm. 0.0024 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 4.06 A. 5 A. 2.03 A. 6.09 A. 4.06 A. 5 A. 2.03 A. 6.09 A. ANSWER DOWNLOAD EXAMIANS APP
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