Measurement and Instrumentation Which of following statement are correct in case of power factor meter? Both B and C. It consist of two coils mounted at right angles to each other. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. Both B and C. It consist of two coils mounted at right angles to each other. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.065 ± 0.056 ± 0.054 ± 0.045 ± 0.065 ± 0.056 ± 0.054 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 8.33% 6.67% 5% 10% 8.33% 6.67% 5% 10% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for Low current measurements Low voltage measurements High voltage measurements High current measurements Low current measurements Low voltage measurements High voltage measurements High current measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. open circuited replaced by a capacitor replaced by a source resistance short circuited open circuited replaced by a capacitor replaced by a source resistance short circuited ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then X is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Both X and Y are equally sensitive. Y is more sensitive. X is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Both X and Y are equally sensitive. Y is more sensitive. ANSWER DOWNLOAD EXAMIANS APP
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