Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Voltmeter and ammeter Wheatstone bridge Potentiometer Ohmmeter Voltmeter and ammeter Wheatstone bridge Potentiometer Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of a rectifier instrument is Non-linear Linear None of the listed here Either linear or non linear Non-linear Linear None of the listed here Either linear or non linear ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. An ammeter should have a very low resitance. Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. An ammeter should have a very low resitance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 0° 120° 30° 90° 0° 120° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is 250 bar. 10 bar. 260 bar. 270 bar. 250 bar. 10 bar. 260 bar. 270 bar. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because 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 Current will decrease resistance ANSWER DOWNLOAD EXAMIANS APP