Measurement and Instrumentation The error of an instrument is normally given as a percentage of Mean value Rms value Measured value Full-scale value Mean value Rms value Measured value Full-scale value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Dynamometer Moving iron Hot wire Thermocouple Dynamometer Moving iron Hot wire Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.023mA 0.1mA 0.05mA 0.007mA 0.023mA 0.1mA 0.05mA 0.007mA 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 V. 1.5 V. 1.34 V. 1.7 V. 1 V. 1.5 V. 1.34 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 3.33 N 0.3 N 0.15 N 6.66 N 3.33 N 0.3 N 0.15 N 6.66 N ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ is used to measure the flow of air around aeroplane. Venturimeter. Anemometer. Orifice. nucleus. Venturimeter. Anemometer. Orifice. nucleus. ANSWER DOWNLOAD EXAMIANS APP