Measurement and Instrumentation The thermocouple instruments do not have Absence of frequency error High degree of measuring accuracy High sensitivity Independence of ambient temperature Absence of frequency error High degree of measuring accuracy High sensitivity Independence of ambient temperature ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance The ohmmeter has its own internal battery Voltage source will increase resistance None of these Current will decrease resistance The ohmmeter has its own internal battery Voltage source will increase resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 400∠-90° ohm. 150∠30° ohm. 600∠-150° ohm. 300∠90° ohm. 400∠-90° ohm. 150∠30° ohm. 600∠-150° ohm. 300∠90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Bridge method Voltmeter-ammeter method Multimeter Megger Bridge method Voltmeter-ammeter method Multimeter Megger ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be thin. long and thin. long. thick. thin. long and thin. long. thick. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? A shunt should have a very low resistance. Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. A shunt should have a very low resistance. Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. ANSWER DOWNLOAD EXAMIANS APP
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