Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Supply voltage is low Load impedance is high None of these Load impedance is low Supply voltage is low Load impedance is high None of these Load impedance is low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Numerical quantity None of these Derived quantity Fundamental quantity Numerical quantity None of these Derived quantity Fundamental quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 2% 5% 4% 3% 2% 5% 4% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Ohmmeter Potentiometer Voltmeter and ammeter Wheatstone bridge Ohmmeter Potentiometer Voltmeter and ammeter Wheatstone bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The high torque to weight ratio in an analog indicating instrument indicates nothing related to friction loss. low friction loss. none of these. high friction loss. nothing related to friction loss. low friction loss. none of these. high friction loss. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for minimum effect on the current in the circuit. high accuracy. high precision. high sensitivity. minimum effect on the current in the circuit. high accuracy. high precision. high sensitivity. ANSWER DOWNLOAD EXAMIANS APP