Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. integrating. recording. indicating. absolute. integrating. recording. indicating. absolute. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are One of the meters out of the range and other 100V 300V each 400V and 200V 360V and 240V One of the meters out of the range and other 100V 300V each 400V and 200V 360V and 240V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Full-scale value Measured value Mean value Rms value Full-scale value Measured value Mean value Rms value 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. 1.34 V. 1.5 V. 1.7 V. 1 V. 1.34 V. 1.5 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 3.33% 1% 5% 2% 3.33% 1% 5% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Rectifier Moving coil or iron Induction Electrostatic Rectifier Moving coil or iron Induction Electrostatic ANSWER DOWNLOAD EXAMIANS APP