Measurement and Instrumentation The range of a moving iron ac ammeter is extended by None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil 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. 1 2 4 5 1 2 4 5 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power in R phase Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The Metric System is also called as: None of these MKS system SI CGS None of these MKS system SI CGS ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Wattmeters. Energy meter. Instrument transformer. Power factor meters. Wattmeters. Energy meter. Instrument transformer. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement on high voltage capacitors, the suitable bridge is Modified De santy's bridge Wein bridge Schering bridge Any of the listed here Modified De santy's bridge Wein bridge Schering bridge Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
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