Measurement and Instrumentation An induction wattmeter can be used for Any of the listed here Ac only Both DC and AC Dc only Any of the listed here Ac only Both DC and AC Dc only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.67 A. 0.50 A. 0.70 A. 0.25 A. 0.67 A. 0.50 A. 0.70 A. 0.25 A. 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 2% 1% 4% 3% 2% 1% 4% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.5% & 99% 1.25% & 98.75% 1.5% & 98.75% 1.25% & 98.25% 1.5% & 99% 1.25% & 98.75% 1.5% & 98.75% 1.25% & 98.25% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is One international ohm Standard ohm One ohm according to working standards One ohm according to SI units One international ohm Standard ohm One ohm according to working standards One ohm according to SI units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Comparison methods are used because they are expensive. when a high accuracy of measurement is required. because they are most simple. because they take least time in measurement. because they are expensive. when a high accuracy of measurement is required. because they are most simple. because they take least time in measurement. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS