Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Standard deviation of error Dynamic error Static error Linearity error Standard deviation of error Dynamic error Static error Linearity error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ±5) A (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ±5) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Square of the current Squareroot of the current Sine of the measurand Current Square of the current Squareroot of the current Sine of the measurand Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter Moving iron ammeter Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter Moving iron ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Fluid friction damping None of these Air friction damping Eddy current damping Fluid friction damping None of these Air friction damping Eddy current damping 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 V. 1.7 V. 1.34 V. 1.5 V. 1 V. 1.7 V. 1.34 V. ANSWER DOWNLOAD EXAMIANS APP
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