Measurement and Instrumentation _______ is used to measure the flow of air around aeroplane. Anemometer. Orifice. nucleus. Venturimeter. Anemometer. Orifice. nucleus. Venturimeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance Voltage source will increase resistance The ohmmeter has its own internal battery None of these Current will decrease resistance Voltage source will increase resistance The ohmmeter has its own internal battery None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? VTVM CRO Moving iron voltmeter Moving coil voltmeter VTVM CRO Moving iron voltmeter Moving coil voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is √2V. 2V. Zero. 2√2V. √2V. 2V. Zero. 2√2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for High current measurements Low current measurements High voltage measurements Low voltage measurements High current measurements Low current measurements High voltage measurements Low voltage measurements 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 248 V. 252 V. 250 V. 260 V. 248 V. 252 V. 250 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
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