Measurement and Instrumentation Alternating current is measured by Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter Electrostatic ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following essential featuresis possessed by an indicating instrument? Deflecting device Controlling device Damping device All of the listed here Deflecting device Controlling device Damping device All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance is measured by the voltmeter-ammeter method employing dc excitation and a voltmeter of very high resistance connected directly across the unknown resistance. If the voltmeter and ammeter reading are subject to maximum possible errors of ± 2.4 % and ± 1.0 % respectively, then the magnitude of the maximum possible percentage error in the value of resistance deduced from the measurement is nearly ± 2.4% ± 3.4% ± 1% ± 1.4% ± 2.4% ± 3.4% ± 1% ± 1.4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Inductance. Frequency. Capacitance. Resistance. Inductance. Frequency. Capacitance. Resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Relative permeability. Flux density. Magnetic potential. Magnetic field intensity. Relative permeability. Flux density. Magnetic potential. Magnetic field intensity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.065 ± 0.054 ± 0.056 ± 0.045 ± 0.065 ± 0.054 ± 0.056 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS