Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Logarithmic scale Exponential scale Square-law scale Linear scale Logarithmic scale Exponential scale Square-law scale Linear scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit moderately. It loads the circuit to maximum extent. It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit moderately. It loads the circuit to maximum extent. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High frequencies High load on the transformer Low frequencies Power frequencies High frequencies High load on the transformer Low frequencies Power frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. short circuited open circuited replaced by a capacitor replaced by a source resistance short circuited open circuited replaced by a capacitor replaced by a source resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Electro-static type instrument Moving coil type instrument Hot-wire type instrument Moving iron type instrument Electro-static type instrument Moving coil type instrument Hot-wire type instrument Moving iron type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same number of turns but different dimensions The same dimension but different number of turns None of these The same dimensions and the same number of turns The same number of turns but different dimensions The same dimension but different number of turns None of these The same dimensions and the same number of turns ANSWER DOWNLOAD EXAMIANS APP