Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have higher response time. high inertia. large time constant. All of these higher response time. high inertia. large time constant. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Wattmeters. Energy meter. Instrument transformer. Power factor meters. Wattmeters. Energy meter. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0.5. 0. 1. none of above. 0.5. 0. 1. none of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 252 V. 260 V. 248 V. 250 V. 252 V. 260 V. 248 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following is a variable displacement transducer? synchros potentiometer tachometer None of these synchros potentiometer tachometer None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Schering. Wheatstones. Hays. Desautys. Schering. Wheatstones. Hays. Desautys. ANSWER DOWNLOAD EXAMIANS APP
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