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. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 16.02 rpm. 21.1 rpm. 12.8 rpm. 18.2 rpm. 16.02 rpm. 21.1 rpm. 12.8 rpm. 18.2 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 2 4 5 1 2 4 5 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the both ‘a’ and ‘b’. speed of light. dimension LT-1. none of these. both ‘a’ and ‘b’. speed of light. dimension LT-1. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as kg m/sec ? Impulse Acceleration Speed Momentum Impulse Acceleration Speed Momentum ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement on high voltage capacitors, the suitable bridge is Any of the listed here Wein bridge Schering bridge Modified De santy's bridge Any of the listed here Wein bridge Schering bridge Modified De santy's bridge ANSWER DOWNLOAD EXAMIANS APP
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