Measurement and Instrumentation Standardization of potentiometer is done in order that, they become precise. accurate and direct reading. accurate and precise. accurate. precise. accurate and direct reading. accurate and precise. accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the speed of light. both ‘a’ and ‘b’. none of these. dimension LT-1. speed of light. both ‘a’ and ‘b’. none of these. dimension LT-1. 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 V. 1.5 V. 1.7 V. 1.34 V. 1 V. 1.5 V. 1.7 V. 1.34 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read + 795 W. + 597 W. - 597 W. - 795 W. + 795 W. + 597 W. - 597 W. - 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Symmetric errors are Instrument errors All of the listed here Observational errors Environment errors Instrument errors All of the listed here Observational errors Environment errors ANSWER DOWNLOAD EXAMIANS APP
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