Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Either of the above Current transformers Power transformers Potential transformers Either of the above Current transformers Power transformers Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Soft steel Aluminium Copper Silver Soft steel Aluminium Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 2.5% ± 1% ± 1.5% ±3.5% ± 2.5% ± 1% ± 1.5% ±3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the dimension LT-1. speed of light. none of these. both ‘a’ and ‘b’. dimension LT-1. speed of light. none of these. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? The deflection is proportional to phase angle between field coil and crossed coil. Both B and C. The restoring torque is provided by a controlling torque. 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. Both B and C. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 Nm. 100 Nm. 200 Nm. 2 Nm. 1 Nm. 100 Nm. 200 Nm. 2 Nm. ANSWER DOWNLOAD EXAMIANS APP
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