Measurement and Instrumentation A megger is usually Moving iron type instrument Hot-wire type instrument Moving coil type instrument Electro-static type instrument Moving iron type instrument Hot-wire type instrument Moving coil type instrument Electro-static type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 1% ± 1.5% ± 3.5% ± 2.5% ± 1% ± 1.5% ± 3.5% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resolution of an instrument is the minimum quantity it can measure. the maximum quantity it can measure. ability to distinguish polarity. the maximum non linearity. the minimum quantity it can measure. the maximum quantity it can measure. ability to distinguish polarity. the maximum non linearity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.70 A. 0.67 A. 0.50 A. 0.25 A. 0.70 A. 0.67 A. 0.50 A. 0.25 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 0.8 mm/Ω 2.5 mm/Ω 0.4 mm/Ω 5.0 mm/Ω 0.8 mm/Ω 2.5 mm/Ω 0.4 mm/Ω 5.0 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are bridge recorders. potentiometric recorders. any one of the above. LVDT recorders. bridge recorders. potentiometric recorders. any one of the above. LVDT recorders. ANSWER DOWNLOAD EXAMIANS APP