Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0.5. 1. 0. none of above. 0.5. 1. 0. none of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A multirange instrument has Multiple shunt or series resistance inside the meter Multicoil arrangement Multirange meters inside the measurement system Variable turns of coil Multiple shunt or series resistance inside the meter Multicoil arrangement Multirange meters inside the measurement system Variable turns of coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 150W 100W 50W 200W 150W 100W 50W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.34 V. 1.5 V. 1.7 V. 1 V. 1.34 V. 1.5 V. 1.7 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an random error systematic error gross error instrument error random error systematic error gross error instrument error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Voltmeter and ammeter Ohmmeter Potentiometer Wheatstone bridge Voltmeter and ammeter Ohmmeter Potentiometer Wheatstone bridge ANSWER DOWNLOAD EXAMIANS APP