Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? PT. Distribution transformer. CT. Power transformer. PT. Distribution transformer. CT. Power transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter C. potentiometer Small range thermocouple voltmeter None of these Small range moving coil voltmeter C. potentiometer Small range thermocouple voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 3 mA. 4 mA. 1 mA. 2 mA. 3 mA. 4 mA. 1 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 11 µF. 0.1 µF. 0.09 µF. 10 µF. 11 µF. 0.1 µF. 0.09 µF. 10 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates DC value of voltage Peak to peak value of voltage Average value RMS value DC value of voltage Peak to peak value of voltage Average value RMS value ANSWER DOWNLOAD EXAMIANS APP
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