Measurement and Instrumentation _______ is used to measure the flow of air around aeroplane. nucleus. Venturimeter. Orifice. Anemometer. nucleus. Venturimeter. Orifice. Anemometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures rms value. Peak value. Average value. Peak to peak value. rms value. Peak value. Average value. Peak to peak value. 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 To measure ac as well as dc power, we use Induction wattmeter None of the listed here Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter Induction wattmeter None of the listed here Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter 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 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 Active power of Y phase Reactive power of R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to The current through coil Sine of measured Square of current through coil Square-root of current through coil The current through coil Sine of measured Square of current through coil Square-root of current through coil ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS